While the DIN 43650A pins are standard

By accurately identifying refrigeration acid contamination early

The Heil Quaker ICP 1173776 Motor is a high-performance

Verify the input voltage (120/277V) and check for continuity across the SPST contacts when the dial is turned above ambient temperature

Can the changeover point be adjusted

Johnson Controls M9116-HGC-2 Actuator THPU32HP7Y While the DIN 43650A pinsThe Johnson Controls M9116 HGC 2 Actuator is a heavy duty, non spring return direct coupled actuator engineered for precise control in commercial HVACR systems. Delivering a robust 140 lb in torque, this unit is designed to drive dampers or valves without the need for complex linkages, significantly reducing installation time and mechanical failure points. It supports proportional control with a flexible input range, accepting 0 10 VDC or 0 20 mA