2-1/2" to 4" Backflow Preventer First Check Valve Repair Kit for 774 and 774DCDA

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 774 and double check detector assembly backflow preventer, model 774DCDA. This kit consists of a complete number one cam check with a check O-ring.

Features

• Factory replacement kit
• No special tools required for servicing
• All parts are made of high quality materials
• Serviceable in the field