Precision Control: Eliminates mechanical play in the damper linkage

or low-voltage security circuits

000V output

or failure to open under the rated MOPD

What is the difference between this and the Johnson Controls P70AA-118

McDonnell & Miller 67-G Low Water Cut Off Els PW 17895 Precision Control: Eliminates mechanical playThe 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