Caleffi AutoFill Combo (with backflow preventer and pressure gauge) , 1/2 in. NPT

    169.79 169.79 169.79 USD


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    Caleffi AutoFill Combo (with backflow preventer and pressure gauge) , 1/2 in. NPT


    Max inlet pressure175 psi
    Max working temp150˚F
    Setting pressure range3 - 60 psi
    Preset outlet pressure15 psi
    Pressure gauge scale0 - 60 psi / 0-4 bar

    Automatic Boiler Fill Valve w/Backflow Preventer and Pressure Gauge


    The automatic filling valve is a device consisting of a pressure reducing valve with compensating seat, 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 is installed on the water inlet piping in sealed heating systems, and its main function is to maintain the pressure of the system at a set value, automatically filling up with water as required.

    The valve is pre-adjustable, meaning it can be set to the desired pressure value before the system charging phase. After installation, during the filling or topping-off phase, the water feed
    will stop when the set pressure is reached. This valve fills 50% faster than other valves. There are no levers to flip or valve to close.

    Pre-assembled with the 573 series backflow preventer, the AutoFill™ Combo features an atmospheric vent which is designed to protect drinking water systems from return flow, caused by back-siphoning or back pressure, of contaminated fl uids. The 573 series has been specifically certifi ed to standards CSA B64.3 and ASSE 1012.

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