TubMixer™, Adjustable thermostatic high-flow point-of use ... - 3 4 mixing valve
backflowpreventer中文
Backflowpreventionassemblytest
This 3/4 IN 009M3 total relief valve repair kit is used to repair the designated backflow preventer. The kit consists of seat, seat O-ring, stem and diaphragm assembly, stem O-ring, and cover O-ring relief valve spring. All parts are genuine and original to the valve.
Double Check Backflow Preventer Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards.
8615510865705 
8615510865705