or low-voltage security circuits

The Antunes Controls 8021204007 is typically rated for pilot duty and general-purpose electrical switching

Precision Control: Eliminates mechanical play in the damper linkage

maintaining safe equipment operation and system efficiency throughout the peak heating season

providing the precision-fit bolts

McDonnell & Miller 67-G Low Water Cut Off Els PW 17895 or low-voltage security circuitsThe McDonnell & Miller 67 G is a float operated mechanical low water cut off engineered specifically for steam boilers and millivolt service applications. For contractors managing residential or commercial steam systems, this auto reset control provides critical burner protection by interrupting the millivolt burner circuit if the water level drops to a dangerous point. The unit features dual precision switches, allowing for simultaneous low water cut