Watts RK 007M1-CK4-SS - Part of the RK-007 Series Window Well Extension Rated for NDS Class A

Rated for NDS Class A loads (up to 60 PSI) when properly installed

while the fire-retardant properties meet rigorous safety standards

and nutrients still flow through that are needed by the tree

Durable Construction: Heavy-duty

Watts RK 007M1-CK4-SS - Part of the RK-007 Series Window Well Extension Rated for NDS Class AThis 3 4 1 IN first or second check replacement kit, for series 007M1, is used to prevent the backflow of contaminated water into the potable water supply. It consists of a seat, seat O ring, disc assembly, and spring, check cage and cover O ring. It is ideal at referenced cross connections identified as non health hazard applications. Check with local inspection authorities for installation requirements. Features Factory Replacement Kit No special