UPGRADED 1″ 720A Pressure Vacuum Breaker Assembly, Max 400
UPGRADED 1″ 720A Pressure Vacuum Breaker Assembly, Max 400 PSI Thickened Brass Backflow Preventer Valve to Maintain Plumbing System Integrity, Metal Valve Cover Replacement for Wilkins : 1" 720A Pressure Vacuum Circuit Breaker is made of thickened brass for extreme corrosion and oxidation resistance. The excellent pressure resistance of the backflow prevention valve ensures that it can withstand high pressures without cracking or breaking. : Backflow prevention valves play an important role in anti-siphoning in residential and commercial plumbing systems. Vacuum breakers protect the water supply by effectively preventing the backflow of unclean water back to the clean water source....