Watts LF909-OSY-ALERT 4 - Part of the LF909 Large Series chat-hdpe Corrosion-Resistant ConstructionBuilt to endure moisture

Corrosion-Resistant ConstructionBuilt to endure moisture

it prevents the backflow of contaminated water into the potable water supply and protects against backsiphonage and backpressure

Dual weepholes and reversible clamping collar to capture seepage and prevent perimeter water damage

XHD Load Rating

It consists of a bronze body with union threaded inlet and NPT threaded outlet connections

Watts LF909-OSY-ALERT 4 - Part of the LF909 Large Series chat-hdpe Corrosion-Resistant ConstructionBuilt to endure moistureThis 4 inch lead free reduced pressure zone backflow preventer assembly with SentryPlus Alert technology for flood detection is designed to prevent the reverse flow of contaminated water from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements, as well as provide continuous monitoring, multi channel alerts, and automatic shutoff