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The Lennox 56W61 Hot Surface Ignitor is a high-performance 120V silicon nitride ignitor designed for precision ignition in residential and commercial Lennox gas furnaces
Common indicators include audible air leaks from the actuator housing
the 22307801 OEM relay prevents overheating and electrical hazards within the control cabinet
Engineered for a direct fit in Rheem and Ruud HVAC systems
technicians should first verify that the inducer motor is reaching full RPM
Trane SEN2133 Temp. Sensor Els PW 17895 The Lennox 56W61 Hot SurfaceThe Trane SEN2133 is a high precision, unprogrammed temperature sensor engineered for demanding commercial HVAC and industrial refrigeration environments. As a direct genuine replacement for SEN02133, this overmolded temperature probe provides accurate thermistor feedback to Tracer CH530 and Tracer TD7 control modules. This HVAC OEM sensor is designed for versatility across multiple liquid and air monitoring applications, operating efficiently within