Lochinvar & A.O. Smith 100278143 Motor 321894-709 this manual reset firestat provides

this manual reset firestat provides essential protection against overheating by interrupting the electrical circuit if internal temperatures exceed safe operating parameters

Can the 3N3C handle pressurized vessels

Enhanced Compatibility: Specifically engineered to replace the legacy 5H79636 model in vintage and modern units

Industrial Durability: Features a fine mesh inlet screen to protect internal valve solenoids from gas line debris and contamination

is a high-capacity component engineered for the Alco T-Series take-apart expansion valves

Lochinvar & A.O. Smith 100278143 Motor 321894-709 this manual reset firestat providesThe Lochinvar & A. O. Smith 100278143 Motor is a heavy duty, multi voltage solution engineered for precision performance in commercial and residential HVACR applications. This 1 2 HP motor is a direct, identical replacement for the legacy part number 100133550, ensuring zero modifications are required during field installation. Operating at a synchronized 1725 RPM, it provides the stable torque and airflow necessary for high demand system cooling or