McDonnell Miller No. 7-B Switch In Stock

McDonnell Miller

Switches 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

Electrical Ratings
Pilot duty Potentiometer Slide Wire
345 VA at 120 or 240 VAC. Use copper wire only. 24 VAC at 135 Ohms
Ordering Information
Model# Part# Description Weight, lbs. A B C Price  
7B 110800 Electric switch w/ proportioning control 4 6 3 6 7/16 $877.80 RFQ
7B-M 110900 7B w/ manual reset 4 6 3 6 7/16 $877.80 RFQ