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| Brand | CALEFFI |
|---|---|
| Features | CALEFFI 573403A Dual Check Backflow Preventer 1/2" NPT Function, visual system pressure setting indicator, an inlet filter, anti-scale internal parts, a shut-off valve (round knob on bottom) and a Check Valve . It i, and its main function is to maintain the pressure of the system a, automatically filling up with water as required. The valve is pr, meaning it can be set to the desired pressure value before the sy, during the filling or topping-off phase, the water feed will stop when the set pressure is reached. This v, the AutoFill Combo features an atmospheric vent which is designed, caused by back-siphoning or back pressure, of contaminated fluids. The 573 series has been specifically cert, caused by backsiphonage or backpressure, of contaminated fluids. Dual check continuous pressure backflow, CSA B64.3, NSF/ANSI 372, Low Lead Laws and listed by ICC-ES. Meets codes IPC, IRC & UPC for use in accordance with the U.S. and Canadian plumbi |
| MPN | 573403A |
| UPC | 8016615087604 |