Watts RK 774/774DCDA-C 2 1/2-4 - Part of the RK-774/774DCDA Series American Wick Drain The liner features a smooth

The liner features a smooth black surface with no grooving

residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion

Firmly bonded overlapping joints

while the corrosion-resistant coating extends service life

Features Buna-N gasket

Watts RK 774/774DCDA-C 2 1/2-4 - Part of the RK-774/774DCDA Series American Wick Drain The liner features a smoothCover kit for backflow preventer series 774, 774DCDA, 774X, and 774XDCDA which are used in non health hazard installations. This kit is for valve sizes 2 1 2, 3, and 4 IN. The kit consists of a cover, grooved coupler, and gasket. Features 2 bolt coupler Stainless steel cover No special tools required Factory replacement kit Specifications Buy American Act Compliant NO Compatible Series or Model 774, 774DCDA Compatible Size Used On 2 1 2 IN to 4 IN Kit