Watts 800M4FR-FZ 1 - Part of the 800M4FR Series Sheet Drain UPC - 098268088144

UPC - 098268088144

and lower stem O-ring

This kit consists of first check module

The adapter

Integrated 1/4 inch NPT threaded port at one end of valve for adding optional temperature pressure gauge or sensors

Watts 800M4FR-FZ 1 - Part of the 800M4FR Series Sheet Drain UPC - 098268088144This 1 inch freeze resistant pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, a built in relief valve to protect the internal components and