McDonnell Miller 7-B Switch

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For series 93,193, 94, and 194 combination low water cut-off/pump controllers for steam boilers.
1 Single pole, double break switch provided for low water cut-off or alarm actuation.
Proportioning valve to maintain a constant water line. Provides flexibility for selection of functions such as alarm actuation, valve actuation control, or low water cut-off control.  
Optional feature - manual reset

Ordering Information
Model Number Part Number Description Weight lbs. Price
7B 110800 Electric switch w/ proportioning control 4 $849.88
7B-M 110900 7B w/ manual reset 4 $849.88

 

Electrical Ratings
345 VA at 120 or 240 VAC. Use copper wire only.
Potentiometer Slide Wire
24 VAC at 135 Ohms
Dimensions
A B C
6 3 6 7/16



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