WATTS: 1 1/4" - 188A Anti-Siphon Vacuum Breakers #0340973

Series 188A Anti-Siphon Vacuum Breakers for Irrigation Systems prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of brass body construction with bronze internal trim, chemical resistant silicone seat disc and an atmospheric vent to prevent spilling. Series 188A is ideal for low flow non-continuous pressure health hazard installations such as on residential irrigation systems. Maximum Pressure:125psi (8.6 bar).