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

For complex installations

or failure to open under the rated MOPD

this furnace safety sensor ensures broad compatibility and maintains the manifold integrity required for peak furnace performance and safety compliance

McDonnell & Miller 67-G Low Water Cut Off Els PW 17895 The Antunes Controls 8021204007 isThe 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