Caleffi 553642A AutoFill™ Automatic Fast-Filling Boiler Fill Valve, 1/2" NPT X 1/2" NPT w/ Pressure Gauge D620F1 heat treated based on tip

heat treated based on tip type to extend the life of driver bits

Body Mount: Deck

Compact Three Phase Motor Protector

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If your job requires you to pull in cabling

Caleffi 553642A AutoFill™ Automatic Fast-Filling Boiler Fill Valve, 1/2" NPT X 1/2" NPT w/ Pressure Gauge D620F1 heat treated based on tipCaleffi 553642A AutoFill Automatic Fast Filling Boiler Fill Valve, 1 2" NPT X 1 2" NPT w Pressure Gauge The CALEFFI AutoFill is unlike traditional boiler fill valves, AutoFill automatically and quickly fills the system to the preset pressure and shuts off. With the optional pressure gauge the system pressure can be viewed and adjusted as needed, no more guessing. The automatic filling valve is a device consisting of a pressure reducing valve with