WATTS®, 7018128, First Check Kit, Compact, Series: RK 757/757DCDA-CK1, Specifications: 2-1/2 to 4 in Check Kit, 3 Piece, For Use With: Model 757DCDA/757NDCDA 2-1/2 to 4 in Double Check Detector Assembly
This first check repair kit provides all the parts necessary to repair or replace the first check on a 2 1/2 to 4 inch double check valve assembly backflow preventer, model 757, and double check detector assembly backflow preventer, model 757DCDA. This kit consist of a first check module, check module O-ring, and red silicone disc elastomer.
WATTS®, 7018128, First Check Kit, Compact, Series: RK 757/757DCDA-CK1, Specifications: 2-1/2 to 4 in Check Kit, 3 Piece, For Use With: Model 757DCDA/757NDCDA 2-1/2 to 4 in Double Check Detector Assembly
This first check repair kit provides all the parts necessary to repair or replace the first check on a 2 1/2 to 4 inch double check valve assembly backflow preventer, model 757, and double check detector assembly backflow preventer, model 757DCDA. This kit consist of a first check module, check module O-ring, and red silicone disc elastomer.