Caleffi 573002A AutoFill™ Automatic Fast-Filling Boiler Fill Valve, 1/2" FNPT X 1/2" FNPT w/ Backflow Preventer Disconnect Mounting Plate Mills a half-round bead with

Mills a half-round bead with a square shoulder

Reversible

Our kit includes six BIG HAWG™ hole saws

Rare earth magnets stick to any metal surface

The ICM2915 is a form

Caleffi 573002A AutoFill™ Automatic Fast-Filling Boiler Fill Valve, 1/2" FNPT X 1/2" FNPT w/ Backflow Preventer Disconnect Mounting Plate Mills a half-round bead withCaleffi 573002A AutoFill Automatic Fast Filling Boiler Fill Valve, 1 2" FNPT X 1 2" FNPT w Backflow Preventer 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