Trane SEN1159 Ambient Sensor The Lennox 29M85 (also identified

The Lennox 29M85 (also identified as 29M8501) is a critical Gas Valve LP Spring Kit engineered for high-precision fuel regulation in residential and light commercial HVAC systems

it integrates seamlessly into existing wiring harnesses on compatible American Standard and Trane furnaces

the neon bulb has likely reached its end of life

Precision Sealing: High-tolerance manufacturing provides a reliable compression seal

Will this gasket work with large 1641 or 1900 series pumps

Trane SEN1159 Ambient Sensor The Lennox 29M85 (also identifiedThe Trane SEN1159 Ambient Sensor is a critical OEM 10k ohm thermistor designed for precision environmental monitoring in residential and light commercial HVAC systems. This ambient temperature sensor facilitates real time data transmission to the system control board, allowing for the dynamic adjustment of heating and cooling cycles based on outdoor thermal loads. Engineered for Trane and American Standard heat pumps, central air conditioners, and air