or a high differential pressure exceeding the MOPD

Always verify your specific furnace model and the original part number before installation

"out of range" alarms on the control board

Key Benefits Enhanced Compressor Protection: Prevents liquid refrigerant from entering the compressor

Tekmar Controls 743 Actuating Motor 318423-701 or a high differential pressureThe Tekmar Controls 743 Actuating Motor is a specialized 24V floating action actuator engineered for precise integration with tekmar brass mixing valves (series 710 through 724). Delivering a consistent 10 Nm (88 in lbs) of torque, this motor ensures reliable modulation for both residential hydronic systems and large scale commercial building automation. The 743 features an electrically limited shaft rotation of 90 with a run time of 117 seconds at 60