Wilkins Pressure Vacuum Breaker 720A Series Wilkins Pressure Vacuum Breaker 720A SeriesProduct Code: 720AProduct Enquiry test To prevent automated spam submissions leave this field empty. TabsOverviewThe Wilkins 720A pressure vacuum breaker is designed to prevent the backsiphonage of contaminated water from an irrigation system back into the potable water supply. With its all bronze body and top construction and the use of silicone elastomers internally, the 720A is a time-tested and solid design. PRODUCT FEATURES Available in 15mm, 20mm, 25mm, 32mm, 40mm and 50mm. Pressure vacuum breaker consisting of an approved check valve, vacuum relief float, inlet and outlet full port resilient seated ball valves for shut-off and two resilient seated ball valve test cocks. Wth BSP threaded connections. Bronze body and top. Maximum pressure 1050kpa (150psi). Temperature range 1-82 degrees C (33-140 degrees F). Models720A - standard model720AL - less shut-off valves720AFT - supplied with fast-test test cocks Downloads Tech Data