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This specific model features a welded bolt mounting type common to NEMA 56 frame blower motors
this component must be supplied with clean
By accurately detecting the induced draft
As a direct replacement for the 3100-20Q18999C
Dwyer Instruments ADPS-03-1-N Pressure Switch R-134A This specific model features aThe Dwyer Instruments ADPS 03 1 N is a field adjustable differential pressure switch designed for monitoring overpressure, vacuum, and differential pressure in HVAC and building automation systems. Operating within a range of 0. 08 to 1. 20 in w. c. (20 to 300 Pa), this unit provides precise control for filter monitoring, fan status indication, and frost protection on heat exchangers. The switch features a dual scaled adjustment knob in both inches
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