Watts LFRK 909M1-VT 4-10 - Part of the RK-LF909 Series Window Well Cover 40 Standard Reduced Pressure Setting-PSI

40 Standard Reduced Pressure Setting-PSI 50 Strainer Yes Strainer Material Stainless Steel Thermal Expansion Bypass Yes Trim Material Engineered Composite Valve Style Standard Specification Sheet - LFN45B-EZ for 3/4 to 1 IN Sizes

providing a highly accurate flow measurement

ensuring that it provides reliable protection in environments where fire hazards are present

This Watts complete rubber parts replacement kit is used for repairing the parts to the 4 inch backflow preventer relief valve

Watts LFRK 909M1-VT 4-10 - Part of the RK-LF909 Series Window Well Cover 40 Standard Reduced Pressure Setting-PSIThis kit contains the parts for the repair of the 4 to 10 inch Watts backflow preventer relief valve. It consists of a diaphragm, disc and piston assembly, seat, seat O ring, adapter O ring and lubricant for 909 sizes 4 to 6 inch. Kit also includes bottom plug and spring assembly for 909M1 sizes 8 to 10 inch. Features Factory replacement kit No special tools required for changing parts Parts made of high quality material Original parts for long