The Role of a Temper Valve for Hot Water Conservation - mixing valve hot water
Double Check Detector AssemblyvsDouble CheckvalveAssembly
The Double Detector Check Valve Assembly backflow preventer protects against backflow, by either back-pressure or back-siphonage, from a cross-connection between potable water systems and substances, in ‘medium hazard’ conditions. It is designed for use in fire service systems and allows monitoring of small drawoffs of water via the bypass.
Double Check Detector Assemblyvs backflow prevention
8615510865705 
8615510865705