This page provides an index InspectApedia articles giving definitions of common plumbing system components, terms, or features.

The plumbing repair articles found in this article series answer nearly all questions about diagnosing and repairing building plumbing systems, including water supply and drain piping, vent piping, gas and oil piping in buildings, plumbing fixtures, water heaters, water pumps, water pressure, water softeners, water testing, water treatment equipment, water wells, and septic systems.

Use our on page search box to also find separate articles on the installation, diagnosis, & repair of septic systems, sewer systems, & building mechanical systems including pumps & wells.

Definitions of Common Plumbing System & Component Terms

Index

• Definition of AIR ADMITTANCE VALVE AAV
• Definition of GRAYWATER SYSTEMS
• Definition of PLUMBING TRAPS & PLUMBING INTERCEPTORS
• Definition of PLUMBING VENTS & VENT TYPES
• Definition of BACKFLOW & BACKFLOW PREVENTERS
• Definition of BACKWATER VALVE
• Definition of BRANCH INTERVAL & BRANCH VENT
• Definition of CIRCUIT VENT
• Definition of DIRECT VENTED PLUMBING FIXTURES
• Definition of DRAIN LOOP VENTS or ISLAND SINK VENTS
• Definition of DRAIN RE-VENTS vs RELIEF VENTS
• Definition of PLUMBING STACK VENT
• Definition of STUDOR VENTS
• Definition of WET VENTED PLUMBING FIXTURES
• Definition of YOKE VENT
• Definition of DRAIN FIXTURE UNITS DFUs
• Definition of TOILET PARTS & TERMS
• Definition of WATER HAMMER

Official References for Dictionaries of Plumbing & Plumbing Terms

• 2024 Wisconsin Plumbing Code, Chapter SPS381 Definitions & Standards [PDF] State of Wisconsin, USA
• 2021 International Plumbing Code, Chapter 2, Definitions, ICC - extensive list of plumbing terms and definitions as appearing in plumbing codes and regulations.
• Australia & New Zealand, National Dictionary of Building & Plumbing Terms [Website] Standards Australia
  
  The National Dictionary of Building and Plumbing Terms combines terms and definitions from: NCC The National Construction Code (NCC) 2019 Amendment 1 © The Commonwealth of Australia and the States and Territories Standards Australian Standards (AS) referenced in the NCC © Standards Australia Limited Standards Australian / New Zealand Standards (AS/NZS) referenced in the NCC © Standards Australia Limited/the Crown in right of New Zealand, administered by the New Zealand Standards Executive HB50 Handbook 50:2004 Glossary of Building Terms (HB50) © Property Council of Australia Limited
• ASSE International, PLUMBING DICTIONARY, 6 th Ed., [PDF] ASSE International, (American Society of Sanitary Engineering), 18927 Hickory Creek Drive, Suite 220, Mokena, Illinois USA, Tel: (708) 995-3019 Web: http://www.asse-plumbing.org
• HM Government, The Building Regulations 2010, Drainage and Waste Disposal [PDF] (2015) British Plumbing Regulations
• IAPMO: International Association of Plumbing and Mechanical Officials Web: www.iapmo.org
• PMI, Glossary of Plumbing Terms [Web page] Plumbing Manufacturers International, 1750 Tysons Blvd. Ste. 1500, McLean, Virginia 22102 USA, Tel: (847) 481-5500
• SafePiping, Plumbing Specification Guide [PDF] (2024) Safe Piping Matters, Email: phagar@SafePipingMatters.org Phone: 843.900.4656
• World Plumbing Council, Lansing, John, A Comparison of British and American Plumbing Engineering Standards and Practices [PDF] (2020) WPC, Zurich Switzerland

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Continue reading  at PLUMBING SYSTEM INSPECT DIAGNOSE REPAIR - home, or select a topic from the closely related articles below, or see the complete ARTICLE INDEX.

Or see these

Recommended Articles

• ARTICLE INDEX to BUILDING FREEZE PROTECTION
  
• ARTICLE INDEX to DRAIN SEPTIC SEWER PIPES
  
• ARTICLE INDEX to GAS APPLIANCES, PIPING, CONTROLS
  
• ARTICLE INDEX to HEATING OIL, OIL BURNERS, OIL FIRED HEATERS, OIL TANKS
• ARTICLE INDEX to PLUMBING SYSTEMS
  
• ARTICLE INDEX to PLUMBING VALVES
  
• ARTICLE INDEX to SEPTIC DRAINFIELDS & DBOXES
  
• ARTICLE INDEX to SEPTIC SYSTEMS
  
• ARTICLE INDEX to SEPTIC TANKS
  
• ARTICLE INDEX to T&P RELIEF VALVES
  
• ARTICLE INDEX to TOILET INFORMATION
  
• ARTICLE INDEX to WATER HEATERS
  
• ARTICLE INDEX to WATER SUPPLY, PUMPS, TANKS, WELLS
  
• ARTICLE INDEX to WATER TESTING
  
• ARTICLE INDEX to WATER TREATMENT SYSTEMS

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PLUMBING DEFINITIONS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

Or see this

INDEX to RELATED ARTICLES: ARTICLE INDEX to PLUMBING SYSTEMS

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Citations & References

In addition to any citations in the article above, a full list is available on request.

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