Watts RK SS007M1-CK4 - Part of the RK-SS007 Series ZC100F-4NH They come with interlocking joints

They come with interlocking joints for easy connections—no couplings required

ZB415J-4IG

An invertible membrane clamp and built-in weep/relief paths make the drain compatible with waterproofing systems

8 inch no hub

SKAPS GT-116 resists ultraviolet deterioration

Watts RK SS007M1-CK4 - Part of the RK-SS007 Series ZC100F-4NH They come with interlocking jointsThis 1 inch first or second check replacement kit, is for series SS007M1, which is used to prevent the backflow of contaminated water into the potable water supply. The kit consists of a seat, seat O ring, disc assembly and spring, check cage, and cover O ring. Features Factory Replacement Kit No special tools required for changing parts All parts are made of high quality materials First or Second check kit Specifications Compatible Series or Model