Zurn Wilkins 12-720A 1/2" 720A Pressure Vacuum Breaker Assembly P-231-0304 Ash shields prevent clogging of

Ash shields prevent clogging of gas ports

Available in fixed 4

Factory calibrated

avoiding puddling and water draining from the dripline

The channel snaps together easily for a smoother installation with flanges on the bottom of the channel provide a lip for anchoring

Zurn Wilkins 12-720A 1/2" 720A Pressure Vacuum Breaker Assembly P-231-0304 Ash shields prevent clogging ofOur Pressure Vacuum Breaker protects against back siphonage in high health hazard, non potable residential and commercial irrigation applications. The 720A assembly includes an approved check valve, vacuum relief, two test cocks, and inlet and outlet full port resilient seated shut off valves. This pressure vacuum breaker features a maximum pressure of 150 psi and a temperature range of 33F to 110F. The PVBs corrosion resistant internal parts and all