720A Pressure Vacuum Breaker Repair Kit For 1/2″ 3/4″ & 1″ Backflow Preventer

Features: 1. Scope of Application: The Pressure Vacuum Breaker Repair Kit is compatible with the 1/2″, 3/4″, and 1″ Model 720A Pressure Vacuum Breaker Assemblies(also known as a backflow preventer). This kit will repair most freeze damaged 720-A PVB’s, unless the ball valves or body itself is cracked. 2. Kit Includes: Washer, O-Ring, Spring, Poppet Spider Assembly.Repair Kit, Size 1/2 In. to 1 In,Body Material Rubber, Plastic and Steel, Temp. Range 33 Degrees to 110 Degrees F, For Use With 720A Pressure Vacuum Breakers. 3. Function: After replacement, the water leakage caused by the oxidation of the parts can be solved. .