Ads
related to: cover for water softener backflow preventer- Salt-Free Conditioners
Products That Treat Your Toughest
Water Problems, Without Salt.
- HE Water Softeners
Smart Technology Makes Our HE Water
Softeners Up To 46% More Efficient.
- Water Softening
Reduce Your Hard Water Problems
And It's Effects on Your Home.
- Water Resource Center
Get Information From Your Culligan®
Man About The State Of Your Water.
- Water Solution Center
Identify Your Water Problems
Schedule A Free In-Home Water Test.
- HE Municipal Filters
State-Of-The-Art-Systems. Enjoy
Limitless Filtered Drinking Water.
- Salt-Free Conditioners
Search results
Results From The WOW.Com Content Network
Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.
EN 13077 -- Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B; EN 13078 -- Devices to prevent pollution by backflow of potable water - Air gap with submerged feed incorporating air inlet plus overflow - Family A, type C; and others for each family and type of air gap
A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices, [1] [2] reduced pressure zone assemblies (RPZA), [3] or reduced pressure principle ...
It is usually constructed of brass and resembles a 90-degree elbow with a hood on its top to allow air to enter the water system if a siphon attempts to form. Inside this elbow is a poppet valve that is held "up" by the water pressure found in the system, closing the air entrance to the device. If the pressure in the "upstream side" is reduced ...
A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure source.
Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. [1] It can be a serious health risk for the contamination of potable water supplies with foul water . In the most obvious case, a toilet flush cistern and its water supply must be isolated from the toilet bowl.
Ads
related to: cover for water softener backflow preventer