Aoibox Pressure Vacuum Breaker and Bonnet Repair Kit Replacement for 1 2 to 1 Inch Valves RK1 720A

Repair kit replaces RK1 720A and RK1 720AB pressure vacuum breaker parts for 1/2 in to 1 in valves in potable water systems

Restores pressure vacuum breaker function to help prevent contaminated water from flowing back into potable water supply lines

Components made from metal, rubber, and plastic are designed for long lasting performance under typical potable water conditions

Functions reliably within a temperature range of 33 to 110 degrees Fahrenheit for common residential and light commercial use

Kit contains an o ring, plastic washer, spring poppet assembly, spider assembly, bonnet, canopy, and canopy screws for a focused repair

Compact kit size of about 3.54 in by 3.54 in by 4.72 in and 0.56 lb weight helps make handling easier during service and maintenance