Watts 0889371 - RK 957/957RPDA CK2 2 1/2 - 4" 2nd Check Kit

The 975XL reduced pressure principle backflow assembly is used on non-potable water applications for high health hazard protection from both backsiphonage and backpressure of contaminated water into the potable water supply. The wye pattern design with short lay length eases installation in compact spaces, and the cast bronze body includes separate access to the relief valve and each check valve for reduced labor costs and repair time. The 975XL is favored by installers around the world, and is the simplest, best performing, and most reliable backflow preventer in the irrigation market ...

This is a first check assembly for the 4" Watts 909 Series reduced pressure zone (RPZ) backflow preventers. This is a complete, assembled first check with rubber. Cover O-Ring included. Check seat sold seperately. No special tools are required for servicing. Genuine Watts replacement parts.

This relief valve repair kit fits the 2 1/2 - 3" Watts 909 Series reduced pressure zone (RPZ) backflow preventers. This kit includes a complete new stem assembly, all internal rubbers and a new stainless steel relief valve seat. No special tools are required for servicing. Genuine Watts replacement parts.

This check seat fits the 2 1/2 - 3" Watts 909 Series reduced pressure zone (RPZ) backflow preventers. This seat will fit either the first or second check assembly. To remove the old seat, loosen 1/4 turn and pull straight up. To install new seat, push straight down and tighten 1/4 turn. Be sure to lube the O-Ring before installing. No special tools are required for servicing. Genuine Watts replacement parts.

The 350XL double check backflow preventer provides low health hazard protection in potable water applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair. Features: Patented removable pressure vessel Low-lead design is suitable for drinking water Top-mounted test cocks ease installations Blow Out Flush fitting available Low-lead law compliant Valve Type: In-line (Backflow, PRVs, TMVs, RVs, etc.)