Armstrong Furnace R40663-002 Ignitor/Sensor 321894-706 Integrating the S1-024-36281-000 ensures seamless

Integrating the S1-024-36281-000 ensures seamless communication between the thermostat and the high-voltage load centers

Minimizes vibration and mechanical noise within the pump assembly

115V BLOWER ASSY

Its rugged construction supports a wide ambient operating range of 32°F to 122°F

Armstrong Furnace R40663-002 Ignitor/Sensor 321894-706 Integrating the S1-024-36281-000 ensures seamlessThe Armstrong Furnace R40663 002 Ignitor Sensor is a critical OEM replacement part designed for precision ignition and flame sensing in high efficiency gas furnaces. This silicon carbide ignitor, often cross referenced as the Q3300 series, is engineered to withstand the rigorous thermal cycling common in modern HVAC furnace repair. For technicians, this hot surface ignitor provides a reliable solution for residential heating systems, ensuring