Application: For the 1/2", 3/4", and 1" Model 72A/RK1-720A pressure vacuum circuit breakers. This kit will repair most freeze-damaged 720-A PVB's unless the ball valves or body itself is cracked.
Size: 1/2" to 1" .Temperature range: 33 degrees to 110 degrees F.
Material: Made of high-quality ABS and steel, high hardness, stable performance, and reliable use.
Function: After replacement, it prevents contaminated water from flowing back into the drinking water supply and can solve water leaks caused by parts oxidation. Quick repair avoids replacing the entire pressure vacuum breaker, saving costs.
Cost Savings: This affordable repair kit restores your breaker for a fraction of the cost, saving you hundreds of dollars.
Package include: 2 Packs (1 Pack includes O-Ring x1, Plastic Washer x1, Spring x1, Poppet Assembly x1, Spider Assembly x1).
Easy to install
Step 1:Close inlet and outlet shut-off valves before disassembling device.
Step 2:Remove canopy screws and canopy.
Step 3:Bleed off pressure by opening the No. 2 test Knob.
Step 4:Unscrew the bonnet from the body
Step 5:Remove the Plastic Washer, O-Ring, Spring, Poppet and Spider Assembly
Step 6:After completing inspection, replace necessary parts and reassemble