Watts LFRK 909-CK1 10 - Part of the RK-LF909 Series Z100F-3NH The pressure relief is set

The pressure relief is set at 35 psi (241 kPa) with corresponding high pressure ratings up to 1

accessing a standard no-hub (MJ) outlet

The Watts RDA-940 is an adjustable secondary dome strainer designed to provide enhanced debris protection for roof drain systems

Reduced pressure range 10 to 30 psi

test cocks

Watts LFRK 909-CK1 10 - Part of the RK-LF909 Series Z100F-3NH The pressure relief is setThis repair kit is for the replacement of the 10 inch Watts backflow preventer first check valve. It consists of a disc assembly, spring and a cover O ring. Features Factory replacement kit No special tools required for changing parts Parts made of high quality material Original parts insure long service life Specifications Compatible Series or Model 909 Compatible Size Used On 10 IN Kit Contents Disc and Spring Assembly, Cover O ring, Lubricant Kit