Key terms, definitions, and concepts related to Water Treatment. Use this glossary as a quick reference when researching types, brands, and installation guides.
3MLearn more →3M is known for Aqua-Pure residential and commercial water filtration systems backed by decades of filtration science. ADA CompliantAn industry certification or standard relevant to water treatment products.AO SmithLearn more →AO Smith is known for Industry-leading water heaters including the Vertex high-efficiency line, Cyclone commercial series, and pioneering heat pump water heaters. APEC WaterLearn more →APEC Water is known for Top-rated reverse osmosis drinking water systems manufactured and assembled in the USA. Aqua-StarLearn more →Aqua-Star is known for Affordable residential water purification and filtration systems. AquasanaLearn more →Aquasana is known for Claryum multi-stage filtration technology that removes up to 99% of lead, chlorine, and 77 other contaminants. ASSE ListedAn industry certification or standard relevant to water treatment products.BritaLearn more →Brita is known for The world's most recognized consumer water filtration brand, famous for pitcher and faucet-mount filters. ClackLearn more →Clack is known for The WS1 water softener control valve — the most widely used residential water treatment control valve in North America. CSA CertifiedAn industry certification or standard relevant to water treatment products.CulliganLearn more →Culligan is known for America's most trusted water treatment brand with full-service local dealer network and the iconic 'Hey Culligan Man!' campaign. Energy StarAn industry certification or standard relevant to water treatment products.GreenSpec ListedAn industry certification or standard relevant to water treatment products.LEED ContributingAn industry certification or standard relevant to water treatment products.NSF CertifiedAn industry certification or standard relevant to water treatment products.NSF/ANSI 401An industry certification or standard relevant to water treatment products.NSF/ANSI 42An industry certification or standard relevant to water treatment products.NSF/ANSI 44An industry certification or standard relevant to water treatment products.NSF/ANSI 53An industry certification or standard relevant to water treatment products.NSF/ANSI 58An industry certification or standard relevant to water treatment products.NSF/ANSI 61An industry certification or standard relevant to water treatment products.Reverse Osmosis SystemsLearn more →Multi-stage filtration using a semipermeable membrane to remove up to 99% of contaminants. Typically installed under the kitchen sink with a dedicated faucet. UL ListedAn industry certification or standard relevant to water treatment products.UV Purification SystemsLearn more →Use ultraviolet light to kill bacteria, viruses, and other microorganisms. Chemical-free water disinfection for well water and municipal water. Water SoftenersLearn more →Remove calcium, magnesium, and other hard minerals using ion exchange. Prevents scale buildup in pipes, water heaters, and appliances. WaterSenseAn industry certification or standard relevant to water treatment products.Whole-House FiltersLearn more →Point-of-entry systems that filter all water entering the home. Remove sediment, chlorine, and common contaminants from every tap. WQA CertifiedAn industry certification or standard relevant to water treatment products.WQA Gold SealAn industry certification or standard relevant to water treatment products.