{
 "page": "toilets-in-a-bathroom-remodel-ohio.html",
 "url": "https://www.openshowerco.com/toilets-in-a-bathroom-remodel-ohio.html",
 "title": "Toilets in an Ohio bathroom remodel: the rough-in, the clearances, the flange and the flush",
 "record": "kb-wave-seven-2026-09",
 "generated": "2026-09-08",
 "how_to_read": "Every sentence on the page traces to one of these claims. status \"verified\" means two independent publishers state it; \"single\" means one named publisher, named in the page's sentence; \"conflict\" means the documents disagree and the page prints both.",
 "claims": [
  {
   "id": "C1",
   "claim": "The Residential Code of Ohio requires every dwelling unit to have a water closet, a lavatory, and a bathtub or shower.",
   "status": "single",
   "quote": "shall be provided with a water closet, lavatory, and a bathtub or shower",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:8-3-01, Building planning (Residential Code of Ohio)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-3-01_eff_7_1_19.pdf",
     "published": "2019-07-01"
    }
   ]
  },
  {
   "id": "C2",
   "claim": "The Residential Code of Ohio's one plumbing chapter hands the subject to the Ohio Plumbing Code, so a house's toilet is governed by that code.",
   "status": "single",
   "quote": "shall govern the installation, testing and operation of the plumbing in buildings",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:8-25-01, Plumbing systems (Residential Code of Ohio)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-25-01_eff_7_1_19.pdf",
     "published": "2019-07-01"
    }
   ]
  },
  {
   "id": "C3",
   "claim": "The Ohio Plumbing Code is the 2021 International Plumbing Code incorporated by reference and then modified by Ohio's own administrative rules, chapter by chapter.",
   "status": "verified",
   "quote": "Chapter 4 of the International Plumbing Code, 2021 edition, as incorporated by reference",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    }
   ]
  },
  {
   "id": "C4",
   "claim": "The City of Columbus names the 2024 Ohio Plumbing Code as the code behind its plumbing inspections, and says required inspections apply to residential as well as commercial buildings.",
   "status": "single",
   "quote": "Required inspections apply to systems in both residential and commercial buildings.",
   "sources": [
    {
     "publisher": "City of Columbus, Department of Building and Zoning Services",
     "title": "Plumbing (building inspections)",
     "url": "https://www.columbus.gov/Business-Development/Building-Zoning-Services/Building-Inspections/Plumbing",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C5",
   "claim": "The plumbing code says a water closet must not be set closer than 15 inches from its center to any side wall, partition, vanity or other obstruction.",
   "status": "verified",
   "quote": "not be set closer than 15 inches (381 mm) from its center",
   "sources": [
    {
     "publisher": "International Code Council",
     "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
     "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
     "published": "2018"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C6",
   "claim": "Where no partition separates adjacent water closets, urinals or bidets, the same section sets 30 inches center to center between them.",
   "status": "verified",
   "quote": "shall not be set closer than 30 inches (762 mm) center to center",
   "sources": [
    {
     "publisher": "International Code Council",
     "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
     "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
     "published": "2018"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C7",
   "claim": "The same section requires not less than 21 inches of clearance in front of a water closet to any wall, fixture or door.",
   "status": "verified",
   "quote": "not less than a 21-inch (533 mm) clearance in front",
   "sources": [
    {
     "publisher": "International Code Council",
     "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
     "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
     "published": "2018"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C8",
   "claim": "A water closet compartment must be not less than 30 inches wide and 60 inches deep for a floor-mounted bowl, or 30 by 56 inches for a wall-hung one.",
   "status": "verified",
   "quote": "30 inches (762 mm) in width and not less than 60 inches",
   "sources": [
    {
     "publisher": "International Code Council",
     "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
     "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
     "published": "2018"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C9",
   "claim": "The section carries one exception, for an accessible children's water closet, which may sit 12 inches from its center to the wall or partition on one side.",
   "status": "verified",
   "quote": "accessible children's water closet shall be set not closer than 12 inches (305 mm)",
   "sources": [
    {
     "publisher": "International Code Council",
     "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
     "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
     "published": "2018"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C10",
   "claim": "Ohio's own change to that section adds a single sentence sending the reader to the building code's accessibility chapter for accessible fixture dimensions, and leaves every dimension alone.",
   "status": "single",
   "quote": "See Chapter 11 of the building code for the minimum required dimensions",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C11",
   "claim": "The Residential Code of Ohio adds its own instruction that fixtures be spaced in accordance with its Figure 307.1 and with the plumbing code.",
   "status": "single",
   "quote": "Fixtures shall be spaced in accordance with Figure 307.1",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:8-3-01, Building planning (Residential Code of Ohio)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-3-01_eff_7_1_19.pdf",
     "published": "2019-07-01"
    }
   ]
  },
  {
   "id": "C13",
   "claim": "American Standard's specification sheets define the rough-in as the dimension from the finished wall to the centerline of the toilet's outlet.",
   "status": "single",
   "quote": "AT A MINIMUM DIMENSION OF 305MM (12\") FROM FINISHED WALL TO C/L OF OUTLET.",
   "sources": [
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Right Height elongated toilet, 10\" rough-in and 12\" rough-in - specification sheet 4112.300",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/197681/4112.300.pdf",
     "published": "2006"
    },
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Pro Compact Right Height elongated toilet, 14\" rough-in - specification sheet 4188A.104 / 215FC.104",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/198674/american_standard_4188a_104_specsheet_052112.pdf",
     "published": "2012"
    },
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-06"
    }
   ]
  },
  {
   "id": "C14",
   "claim": "Kohler's Wellworth specification sheets call a 12-inch rough-in the standard one, on both the elongated and the round-front bowl.",
   "status": "single",
   "quote": "Standard 12\" (305 mm) rough-in",
   "sources": [
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-06"
    },
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3997, two-piece round-front toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3997_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-26"
    }
   ]
  },
  {
   "id": "C15",
   "claim": "American Standard publishes the same Cadet Right Height elongated toilet in a 10-inch and a 12-inch rough-in on one specification sheet.",
   "status": "single",
   "quote": "AT A MINIMUM DIMENSION OF 254mm (10\") FROM FINISHED WALL TO C/L OF OUTLET.",
   "sources": [
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Right Height elongated toilet, 10\" rough-in and 12\" rough-in - specification sheet 4112.300",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/197681/4112.300.pdf",
     "published": "2006"
    }
   ]
  },
  {
   "id": "C16",
   "claim": "The same manufacturer publishes a compact elongated model designed to rough in at 14 inches.",
   "status": "single",
   "quote": "AT A MINIMUM DIMENSION OF 356MM (14\") FROM FINISHED WALL TO C/L OF OUTLET.",
   "sources": [
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Pro Compact Right Height elongated toilet, 14\" rough-in - specification sheet 4188A.104 / 215FC.104",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/198674/american_standard_4188a_104_specsheet_052112.pdf",
     "published": "2012"
    }
   ]
  },
  {
   "id": "C17",
   "claim": "Kohler also sells a trap and skirt assembly whose stated job is converting standard 12-inch rough-in products to a 10-inch configuration.",
   "status": "single",
   "quote": "Converts standard 12\" (305 mm) rough-in products to 10\" (254 mm) configuration.",
   "sources": [
    {
     "publisher": "Kohler Co.",
     "title": "K-5383, 10\" rough-in full skirt trap and attachment system - specification sheet",
     "url": "https://resources.kohler.com/webassets/kpna/catalog/pdf/en/K-5383_spec.pdf",
     "published": "2020-03-03"
    }
   ]
  },
  {
   "id": "C18",
   "claim": "The code says the connection between the drain and a floor outlet fixture is made with a floor flange or a waste connector and sealing gasket.",
   "status": "single",
   "quote": "shall be made with a floor flange or a waste connector and sealing gasket",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C19",
   "claim": "The flange is attached to the drain and anchored to the structure of the building, with corrosion-resistant screws or bolts.",
   "status": "single",
   "quote": "The flange shall be attached to the drain and anchored to the structure.",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C21",
   "claim": "A floor outlet fixture is then secured to the floor or to the flange by screws or bolts of corrosion-resistant material, and the joint where it meets the floor is sealed.",
   "status": "single",
   "quote": "Joints formed where fixtures come in contact with walls or floors shall be sealed.",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C22",
   "claim": "A wall-hung bowl is a different arrangement: the code requires a concealed metal carrier attached to the building's structural members so that no strain reaches the fixture connector.",
   "status": "single",
   "quote": "supported by a concealed metal carrier that is attached to the building structural members",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C23",
   "claim": "The plumbing code does not state where the flange sits relative to the finished floor; Oatey, which makes flanges, instructs that the bottom of the top flange be parallel with the finished floor height.",
   "status": "single",
   "quote": "the bottom of the top flange to be parallel with the finished floor height",
   "sources": [
    {
     "publisher": "Oatey Co.",
     "title": "How do I install a Closet Flange Spacer Kit? (installation answer)",
     "url": "https://www.oatey.com/faqs-blog-videos-case-studies/faqs/how-do-i-install-closet-flange-spacer-kit",
     "published": "undated"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C24",
   "claim": "The code puts a 3-inch floor on any building drain that serves a water closet, whatever the fixture unit arithmetic would otherwise allow.",
   "status": "verified",
   "quote": "minimum size of any building drain serving a water closet shall be 3 inches",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 7, Sanitary Drainage: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/7/sanitary-drainage",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C25",
   "claim": "The code also accepts a 4-inch by 3-inch closet bend at the fixture.",
   "status": "single",
   "quote": "A 4-inch by 3-inch (102 mm by 76 mm) closet bend shall be acceptable.",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C26",
   "claim": "In the fixture table a private water closet flushing 1.6 gallons counts as three drainage fixture units, and one flushing more than that counts as four.",
   "status": "verified",
   "quote": "Water closet, private (1.6 gpf)",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 7, Sanitary Drainage: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/7/sanitary-drainage",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C27",
   "claim": "A whole bathroom group built around a 1.6-gallon water closet counts as five drainage fixture units, and six where the toilet flushes more.",
   "status": "verified",
   "quote": "Bathroom group",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 7, Sanitary Drainage: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/7/sanitary-drainage",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C29",
   "claim": "A toilet is not separately trapped, because the first exception to the trapping rule excludes fixtures with integral traps.",
   "status": "verified",
   "quote": "This section shall not apply to fixtures with integral traps.",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 10, Traps, Interceptors and Separators: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/10/traps-interceptors-and-separators",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-10-01, Traps, interceptors and separators (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-10-01_eff_3_1_24.pdf",
     "published": "2024-03-01"
    }
   ]
  },
  {
   "id": "C30",
   "claim": "The code caps how far most traps may sit from a vent, but its exception says the distance is not limited for self-siphoning fixtures such as water closets.",
   "status": "verified",
   "quote": "for self-siphoning fixtures, such as water closets, shall not be limited",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 9, Vents: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/9/vents",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-9-01, Vents (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-9-01_eff_3_1_24.pdf",
     "published": "2024-03-01"
    }
   ]
  },
  {
   "id": "C31",
   "claim": "A bathroom's fixtures may share one wet vent: the code permits any combination of fixtures within two bathroom groups on the same floor level to be vented by a horizontal wet vent.",
   "status": "verified",
   "quote": "two bathroom groups located on the same floor level",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 9, Vents: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/9/vents",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-9-01, Vents (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-9-01_eff_3_1_24.pdf",
     "published": "2024-03-01"
    }
   ]
  },
  {
   "id": "C32",
   "claim": "Horizontal drain pipe from 3 to 6 inches must fall at not less than one-eighth inch per foot, which is what makes a long move away from the stack a question about depth.",
   "status": "single",
   "quote": "The slope of a horizontal drainage pipe shall be not less than that indicated",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 7, Sanitary Drainage: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/7/sanitary-drainage",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C33",
   "claim": "Where a fixture's waste has to be pumped rather than fall, the code requires it to comply with a named standard for pumped-waste fixtures.",
   "status": "single",
   "quote": "Plumbing fixtures with a pumped waste shall comply with ASME A112.3.4/CSA B45.9.",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C34",
   "claim": "Federal law limits any gravity tank-type toilet manufactured after January 1, 1994 to 1.6 gallons a flush.",
   "status": "verified",
   "quote": "manufactured after January 1, 1994, is the following: Gravity tank-type toilets 1.6 gpf.",
   "sources": [
    {
     "publisher": "Office of the Law Revision Counsel, US House of Representatives",
     "title": "42 U.S.C. 6295, Energy conservation standards, subsection (k)",
     "url": "https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title42-section6295&num=0&edition=prelim",
     "published": "current through the prelim edition"
    },
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense: Residential Toilets",
     "url": "https://www.epa.gov/watersense/residential-toilets",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C35",
   "claim": "EPA says a WaterSense labeled toilet uses 1.28 gallons per flush or less, 20 percent less than the federal standard, and that only toilets completing third-party certification earn the label.",
   "status": "single",
   "quote": "20 percent less water than the current federal standard of 1.6 gallons per flush",
   "sources": [
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense: Residential Toilets",
     "url": "https://www.epa.gov/watersense/residential-toilets",
     "published": "undated"
    },
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense Labeled Toilets (factsheet 832-F-24-008)",
     "url": "https://www.epa.gov/system/files/documents/2024-05/ws-products-factsheet-tank-type-toilets.pdf",
     "published": "2024-05"
    }
   ]
  },
  {
   "id": "C36",
   "claim": "The label is not a water figure alone: under the specification now in force a toilet has to clear all the test media in a single flush in at least four of five attempts.",
   "status": "single",
   "quote": "clear all test media from the fixture in a single flush",
   "sources": [
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense Specification for Tank-Type Toilets, Version 1.2",
     "url": "https://19january2017snapshot.epa.gov/www3/watersense/docs/Revised%20HET%20specification_V1%202_060214_final508d.pdf",
     "published": "2014-06-02"
    }
   ]
  },
  {
   "id": "C37",
   "claim": "EPA published a Version 2.0 of that specification in May 2024, then paused its effective date, so Version 1.2 remains in effect until further notice.",
   "status": "single",
   "quote": "EPA has paused the effective date of Version 2.0 of the specification.",
   "sources": [
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense: Product Background Materials",
     "url": "https://www.epa.gov/watersense/product-background-materials",
     "published": "undated"
    },
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense Specification for Tank-Type Toilets, Version 2.0",
     "url": "https://www.epa.gov/system/files/documents/2024-05/ws-products-indoor-tank-type-toilets-v2-final-spec.pdf",
     "published": "2024-05"
    }
   ]
  },
  {
   "id": "C38",
   "claim": "EPA says older, inefficient toilets can use as much as six gallons a flush.",
   "status": "single",
   "quote": "Older, inefficient toilets that use as much as six gallons per flush",
   "sources": [
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense Labeled Toilets (factsheet 832-F-24-008)",
     "url": "https://www.epa.gov/system/files/documents/2024-05/ws-products-factsheet-tank-type-toilets.pdf",
     "published": "2024-05"
    },
    {
     "publisher": "US Environmental Protection Agency",
     "title": "WaterSense: Residential Toilets",
     "url": "https://www.epa.gov/watersense/residential-toilets",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C40",
   "claim": "The code requires an elongated bowl and a hinged open-front seat only in public or employee toilet facilities, not in a house.",
   "status": "verified",
   "quote": "for public or employee toilet facilities shall be of the elongated type",
   "sources": [
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
     "published": "2024"
    },
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-06"
    },
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    }
   ]
  },
  {
   "id": "C41",
   "claim": "In one manufacturer's line the elongated bowl measures 30 inches front to back and the round-front bowl 27 and three-quarter inches, both at the same 12-inch rough-in.",
   "status": "single",
   "quote": "27-3/4\" (705 mm)",
   "sources": [
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-06"
    },
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3997, two-piece round-front toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3997_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-26"
    }
   ]
  },
  {
   "id": "C42",
   "claim": "The federal accessibility standard puts a water closet seat 17 inches minimum and 19 inches maximum above the finished floor, measured to the top of the seat.",
   "status": "single",
   "quote": "17 inches (430 mm) minimum and 19 inches (485 mm) maximum",
   "sources": [
    {
     "publisher": "US Access Board",
     "title": "Guide to the ADA Standards, Chapter 6: Plumbing Elements and Facilities",
     "url": "https://www.access-board.gov/ada/chapter/ch06/",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C43",
   "claim": "That same standard carries an exception allowing 15 to 19 inches in residential dwelling units.",
   "status": "single",
   "quote": "In residential dwelling units, the height of water closets shall be permitted",
   "sources": [
    {
     "publisher": "US Access Board",
     "title": "Guide to the ADA Standards, Chapter 6: Plumbing Elements and Facilities",
     "url": "https://www.access-board.gov/ada/chapter/ch06/",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C44",
   "claim": "The Access Board describes the ADA Standards as scoping and technical requirements for places of public accommodation, commercial facilities and state and local government facilities.",
   "status": "single",
   "quote": "places of public accommodation, commercial facilities, and state and local government facilities",
   "sources": [
    {
     "publisher": "US Access Board",
     "title": "ADA Accessibility Standards",
     "url": "https://www.access-board.gov/ada/",
     "published": "undated"
    }
   ]
  },
  {
   "id": "C45",
   "claim": "American Standard's Right Height sheets list a 16 and a half inch rim height and describe it as being for accessible applications.",
   "status": "single",
   "quote": "16-1/2\" rim height for accessible applications",
   "sources": [
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Right Height elongated toilet, 10\" rough-in and 12\" rough-in - specification sheet 4112.300",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/197681/4112.300.pdf",
     "published": "2006"
    },
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Pro Compact Right Height elongated toilet, 14\" rough-in - specification sheet 4188A.104 / 215FC.104",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/198674/american_standard_4188a_104_specsheet_052112.pdf",
     "published": "2012"
    }
   ]
  },
  {
   "id": "C46",
   "claim": "The Residential Code of Ohio exempts the removal and reinstallation of a water closet from approval, provided no more than one fixture is replaced and no valves, pipes or fixtures are rearranged.",
   "status": "single",
   "quote": "the removal and reinstallation of water closets, provided such repairs do not involve",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:8-1-01, Administration (Residential Code of Ohio)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-1-01_eff_7_1_19.pdf",
     "published": "2019-07-01"
    }
   ]
  },
  {
   "id": "C47",
   "claim": "Columbus's building department lists a kitchen or bath remodel among the projects that require a permit and plan review, while flooring, painting and cabinets require none.",
   "status": "single",
   "quote": "Kitchen or bath remodel",
   "sources": [
    {
     "publisher": "City of Columbus, Department of Building and Zoning Services",
     "title": "Typical Residential Projects (revision BA 3/26)",
     "url": "https://www.columbus.gov/files/sharedassets/city/v/2/building-and-zoning/document-library/typical-residential-projects-2026.pdf",
     "published": "2026-03"
    }
   ]
  },
  {
   "id": "C48",
   "claim": "The Ohio Plumbing Code requires a shutoff valve on the fixture supply to each plumbing fixture other than bathtubs and showers in one, two and three family homes, so a toilet has its own stop.",
   "status": "verified",
   "quote": "On the fixture supply to each plumbing fixture other than bathtubs and showers",
   "sources": [
    {
     "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
     "title": "Rule 4101:3-6-01, Water supply and distribution (Ohio Plumbing Code)",
     "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-6-01_eff_10_15_25.pdf",
     "published": "2025-10-15"
    },
    {
     "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
     "title": "Chapter 6, Water Supply and Distribution: Ohio Plumbing Code 2024",
     "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/6/water-supply-and-distribution",
     "published": "2024"
    }
   ]
  },
  {
   "id": "C49",
   "claim": "Manufacturers state that the supply line is not included with the fixture, so a new toilet arrives without the flexible connector that joins it to the stop.",
   "status": "single",
   "quote": "Seat and supply line sold separately",
   "sources": [
    {
     "publisher": "Kohler Co.",
     "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
     "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
     "published": "2026-08-06"
    },
    {
     "publisher": "American Standard (AS America Inc.)",
     "title": "Cadet Right Height elongated toilet, 10\" rough-in and 12\" rough-in - specification sheet 4112.300",
     "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/197681/4112.300.pdf",
     "published": "2006"
    }
   ]
  }
 ],
 "conflicts": [
  {
   "claim_id": "C37",
   "a": "Version 2.0 of the WaterSense tank-type toilet specification is effective July 1, 2025",
   "a_source": "S19 (the specification document itself)",
   "b": "EPA has paused the effective date of Version 2.0; Version 1.2 remains in effect until further notice",
   "b_source": "S20 (EPA's product background materials page, read 2026-09-05)",
   "printed": "print B, and say the specification document carries a July 2025 date that EPA has paused. The document is not wrong, it is superseded by the agency's later statement, and a page that quoted only the document would mislead."
  },
  {
   "claim_id": "C42",
   "a": "A water closet seat is 17 to 19 inches above the finished floor",
   "a_source": "S21, ADA Standards 604.4",
   "b": "In residential dwelling units 15 to 19 inches is permitted",
   "b_source": "S21, Exception 2 to the same section",
   "printed": "print both. They are the same standard, not two standards; the exception is the part that matters for a house and it is the part usually dropped when the figure is quoted."
  }
 ],
 "sources": [
  {
   "id": "S1",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:3-4-01, Fixtures, faucets and fixture fittings (Ohio Plumbing Code)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-4-01_eff_10_15_25.pdf",
   "published": "2025-10-15"
  },
  {
   "id": "S2",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:3-7-01, Sanitary drainage (Ohio Plumbing Code)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-7-01_eff_10_15_25.pdf",
   "published": "2025-10-15"
  },
  {
   "id": "S3",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:3-9-01, Vents (Ohio Plumbing Code)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-9-01_eff_3_1_24.pdf",
   "published": "2024-03-01"
  },
  {
   "id": "S4",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:3-10-01, Traps, interceptors and separators (Ohio Plumbing Code)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-10-01_eff_3_1_24.pdf",
   "published": "2024-03-01"
  },
  {
   "id": "S5",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:3-6-01, Water supply and distribution (Ohio Plumbing Code)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/3/4101$3-6-01_eff_10_15_25.pdf",
   "published": "2025-10-15"
  },
  {
   "id": "S6",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:8-1-01, Administration (Residential Code of Ohio)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-1-01_eff_7_1_19.pdf",
   "published": "2019-07-01"
  },
  {
   "id": "S7",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:8-3-01, Building planning (Residential Code of Ohio)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-3-01_eff_7_1_19.pdf",
   "published": "2019-07-01"
  },
  {
   "id": "S8",
   "publisher": "Ohio Board of Building Standards (Ohio Administrative Code)",
   "title": "Rule 4101:8-25-01, Plumbing systems (Residential Code of Ohio)",
   "url": "https://codes.ohio.gov/assets/laws/administrative-code/rules/4101/8/4101$8-25-01_eff_7_1_19.pdf",
   "published": "2019-07-01"
  },
  {
   "id": "S9",
   "publisher": "International Code Council",
   "title": "Significant Changes to the International Plumbing Code, 2018 Edition - 405.3.1 Clearance of Plumbing Fixtures to Obstructions",
   "url": "https://www.iccsafe.org/wp-content/uploads/2018SC-PMG_P405.3.1.pdf",
   "published": "2018"
  },
  {
   "id": "S10",
   "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
   "title": "Chapter 4, Fixtures, Faucets and Fixture Fittings: Ohio Plumbing Code 2024",
   "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/4/fixtures-faucets-and-fixture-fittings",
   "published": "2024"
  },
  {
   "id": "S11",
   "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
   "title": "Chapter 7, Sanitary Drainage: Ohio Plumbing Code 2024",
   "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/7/sanitary-drainage",
   "published": "2024"
  },
  {
   "id": "S12",
   "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
   "title": "Chapter 9, Vents: Ohio Plumbing Code 2024",
   "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/9/vents",
   "published": "2024"
  },
  {
   "id": "S13",
   "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
   "title": "Chapter 10, Traps, Interceptors and Separators: Ohio Plumbing Code 2024",
   "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/10/traps-interceptors-and-separators",
   "published": "2024"
  },
  {
   "id": "S14",
   "publisher": "International Code Council, 2021 International Plumbing Code as adopted in Ohio (2024 Ohio Plumbing Code), read at UpCodes",
   "title": "Chapter 6, Water Supply and Distribution: Ohio Plumbing Code 2024",
   "url": "https://up.codes/viewer/ohio/ipc-2021/chapter/6/water-supply-and-distribution",
   "published": "2024"
  },
  {
   "id": "S15",
   "publisher": "Office of the Law Revision Counsel, US House of Representatives",
   "title": "42 U.S.C. 6295, Energy conservation standards, subsection (k)",
   "url": "https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title42-section6295&num=0&edition=prelim",
   "published": "current through the prelim edition"
  },
  {
   "id": "S16",
   "publisher": "US Environmental Protection Agency",
   "title": "WaterSense: Residential Toilets",
   "url": "https://www.epa.gov/watersense/residential-toilets",
   "published": "undated"
  },
  {
   "id": "S17",
   "publisher": "US Environmental Protection Agency",
   "title": "WaterSense Labeled Toilets (factsheet 832-F-24-008)",
   "url": "https://www.epa.gov/system/files/documents/2024-05/ws-products-factsheet-tank-type-toilets.pdf",
   "published": "2024-05"
  },
  {
   "id": "S18",
   "publisher": "US Environmental Protection Agency",
   "title": "WaterSense Specification for Tank-Type Toilets, Version 1.2",
   "url": "https://19january2017snapshot.epa.gov/www3/watersense/docs/Revised%20HET%20specification_V1%202_060214_final508d.pdf",
   "published": "2014-06-02"
  },
  {
   "id": "S19",
   "publisher": "US Environmental Protection Agency",
   "title": "WaterSense Specification for Tank-Type Toilets, Version 2.0",
   "url": "https://www.epa.gov/system/files/documents/2024-05/ws-products-indoor-tank-type-toilets-v2-final-spec.pdf",
   "published": "2024-05"
  },
  {
   "id": "S20",
   "publisher": "US Environmental Protection Agency",
   "title": "WaterSense: Product Background Materials",
   "url": "https://www.epa.gov/watersense/product-background-materials",
   "published": "undated"
  },
  {
   "id": "S21",
   "publisher": "US Access Board",
   "title": "Guide to the ADA Standards, Chapter 6: Plumbing Elements and Facilities",
   "url": "https://www.access-board.gov/ada/chapter/ch06/",
   "published": "undated"
  },
  {
   "id": "S22",
   "publisher": "US Access Board",
   "title": "ADA Accessibility Standards",
   "url": "https://www.access-board.gov/ada/",
   "published": "undated"
  },
  {
   "id": "S23",
   "publisher": "Kohler Co.",
   "title": "Wellworth K-3998, two-piece elongated toilet, 1.28 gpf - specification sheet",
   "url": "https://techcomm.kohler.com/techcomm/pdf/K-3998_spec_US-CA_Kohler_en.pdf",
   "published": "2026-08-06"
  },
  {
   "id": "S24",
   "publisher": "Kohler Co.",
   "title": "Wellworth K-3997, two-piece round-front toilet, 1.28 gpf - specification sheet",
   "url": "https://techcomm.kohler.com/techcomm/pdf/K-3997_spec_US-CA_Kohler_en.pdf",
   "published": "2026-08-26"
  },
  {
   "id": "S25",
   "publisher": "Kohler Co.",
   "title": "K-5383, 10\" rough-in full skirt trap and attachment system - specification sheet",
   "url": "https://resources.kohler.com/webassets/kpna/catalog/pdf/en/K-5383_spec.pdf",
   "published": "2020-03-03"
  },
  {
   "id": "S26",
   "publisher": "American Standard (AS America Inc.)",
   "title": "Cadet Right Height elongated toilet, 10\" rough-in and 12\" rough-in - specification sheet 4112.300",
   "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/197681/4112.300.pdf",
   "published": "2006"
  },
  {
   "id": "S27",
   "publisher": "American Standard (AS America Inc.)",
   "title": "Cadet Pro Compact Right Height elongated toilet, 14\" rough-in - specification sheet 4188A.104 / 215FC.104",
   "url": "https://s1.img-b.com/build.com/mediabase/specifications/american_standard/198674/american_standard_4188a_104_specsheet_052112.pdf",
   "published": "2012"
  },
  {
   "id": "S28",
   "publisher": "City of Columbus, Department of Building and Zoning Services",
   "title": "Typical Residential Projects (revision BA 3/26)",
   "url": "https://www.columbus.gov/files/sharedassets/city/v/2/building-and-zoning/document-library/typical-residential-projects-2026.pdf",
   "published": "2026-03"
  },
  {
   "id": "S29",
   "publisher": "City of Columbus, Department of Building and Zoning Services",
   "title": "Plumbing (building inspections)",
   "url": "https://www.columbus.gov/Business-Development/Building-Zoning-Services/Building-Inspections/Plumbing",
   "published": "undated"
  },
  {
   "id": "S30",
   "publisher": "Oatey Co.",
   "title": "How do I install a Closet Flange Spacer Kit? (installation answer)",
   "url": "https://www.oatey.com/faqs-blog-videos-case-studies/faqs/how-do-i-install-closet-flange-spacer-kit",
   "published": "undated"
  }
 ]
}