Key terms, definitions, and concepts related to Valves. Use this glossary as a quick reference when researching types, brands, and installation guides.
ADA CompliantAn industry certification or standard relevant to valves products.ApolloLearn more →Apollo is known for Industry-standard brass ball valves and backflow prevention devices for residential and commercial plumbing. ASME CertifiedAn industry certification or standard relevant to valves products.ASSE ListedAn industry certification or standard relevant to valves products.AWWA CompliantAn industry certification or standard relevant to valves products.Ball ValvesLearn more →Use a rotating ball with a bore to control flow. Quarter-turn operation provides quick, reliable shut-off. The most common residential shut-off valve. Bell & GossettLearn more →Bell & Gossett is known for Industry-leading hydronic pumps, circulators, and heat exchangers for commercial and residential HVAC and plumbing. BrassCraftLearn more →BrassCraft is known for Pioneering the one-piece water supply valve and flexible supply tube that became the industry standard. CaleffiLearn more →Caleffi is known for Precision Italian-engineered pressure reducing valves, thermostatic mixing valves, and hydronic system components. Cash AcmeLearn more →Cash Acme is known for T&P relief valves, water pressure reducing valves, and expansion tanks that protect plumbing systems and water heaters. Check ValvesLearn more →Allow water to flow in one direction only, preventing backflow. Essential for protecting water supply from contamination. CSA CertifiedAn industry certification or standard relevant to valves products.DanfossLearn more →Danfoss is known for Thermostatic radiator valves, hydronic balancing solutions, and energy-efficient HVAC controls. Energy StarAn industry certification or standard relevant to valves products.FebcoLearn more →Febco is known for Industry-leading backflow prevention devices and pressure vacuum breakers for potable water protection. FM ApprovedAn industry certification or standard relevant to valves products.GiacominiLearn more →Giacomini is known for Italian-made hydronic valves, radiant floor heating manifolds, and PEX distribution systems. ISO 9001An industry certification or standard relevant to valves products.Mixing ValvesLearn more →Blend hot and cold water to deliver a safe, consistent temperature. Thermostatic models automatically adjust to prevent scalding. NSF CertifiedAn industry certification or standard relevant to valves products.NSF/ANSI 372An industry certification or standard relevant to valves products.NSF/ANSI 61An industry certification or standard relevant to valves products.Pressure Reducing ValvesLearn more →Automatically reduce incoming water pressure to a safe, consistent level. Protect plumbing fixtures and appliances from damage caused by high pressure. UL ListedAn industry certification or standard relevant to valves products.UPC ListedAn industry certification or standard relevant to valves products. 