Watts LF909M1-QT-S-FS 2 - Part of the LF909 Small Series Z100F-8NH This pressure relief valve has

This pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 90 psi pressure relief setpoint

Z645-4NL-AR

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Union Joint Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 88004067 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series U009 Strainer Yes Technologies Flood Detection Tradename None Field Guide - Backflow Preventer Repair Parts 007 and 009

cast iron roof drain features a flashing clamp with an integral gravel stop

Watts LF909M1-QT-S-FS 2 - Part of the LF909 Small Series Z100F-8NH This pressure relief valve hasThis 2 inch lead free reduced pressure zone backflow preventer assembly with its exclusive design incorporating the patented air inch and water out principle for protection during an emergency condition prevents the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Ideal for protection inch continuous pressure piping applications and at cross connections identified as health hazards and from