Watts RK 957-957RPDA-CK1 - Part of the RK-957/957RPDA Series ZC100F-8NH and air to flow through

and air to flow through it and doesn't hurt the soil's hydrology

it provides reliable drainage while enhancing the look and safety of deck finishes

Membrane flashing clamp and seepage pan support watertight installation

Features Use with 1/2 IN 009

Watts RK 957-957RPDA-CK1 - Part of the RK-957/957RPDA Series ZC100F-8NH and air to flow throughThis first check repair kit provides all the parts necessary to repair or replace the first check on a 2 1 2 to 4 inch reduced pressure valve assembly backflow preventer, model 957 and reduced pressure detector assembly backflow preventer, model 957DCDA. This kit consists of first check module, check module O ring and EPDM disc elastomer. Features Factory replacement kit No special tools required for servicing All parts are made of high quality