Watts LF800M4FR 1/2 - Part of the LF800M4FR Series Strip Drian a 4 inch high internal

a 4 inch high internal overflow standpipe

ensuring a secure

horizontally or any angle in concealed locations without access panels

Designed for industrial installations with long modules and anchor tabs for concrete embedment

Available for Wi-Fi networks

Watts LF800M4FR 1/2 - Part of the LF800M4FR Series Strip Drian a 4 inch high internalThis 1 2 inch lead free anti siphon pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a lead free 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, tee handle shutoff, and test cocks for winterization