this switch provides a definitive safety barrier

making it a staple for primary control and monitoring stations

Using a multimeter set to Ohms

Safety Integration: Features a high-reliability safety magnet and 1/4" pilot outlet for standard thermocouple or thermopile connections

Exceptional Air Handling: Naturally purges air and non-condensable gases during start-up

Lennox 73W02 Blower Motor 318973-401 this switch provides a definitiveThe Lennox 73W02 Blower Motor is a high performance 3 4 HP ECM 3. 0 motor engineered for precise airflow control in residential and light commercial HVAC systems. This OEM Lennox replacement part operates as a variable speed blower motor, delivering 1050 RPM to ensure consistent static pressure management and optimal indoor air quality. Designed for 120 240V single phase applications, this direct drive motor fits frame size 48 and is often utilized as