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Using it on smaller units may cause misalignment
as per updated technical bulletins to ensure proper fault detection and safety compliance
avoiding the calibration issues common with universal clones
While designed as a genuine Trane component
This kit typically contains the cap retaining clip
AERCO 123970 Flame Sensor 318973-401 Using it on smaller unitsThe AERCO 123970 Flame Sensor is a critical safety component engineered for precision flame detection in high performance heating systems. Specifically designed for use in AERCO Benchmark boilers and Innovation series water heaters, this flame rod utilizes flame rectification technology to monitor the combustion process. By providing instantaneous flame sensing, the 123970 ensures that the gas valve remains open only when a consistent ignition is