AERCO 123970 Flame Sensor 318973-401 Rugged Construction: Industrial-grade components designed

Rugged Construction: Industrial-grade components designed for high-cycle reliability in high-temperature environments

For manual overrides or system testing

This kit typically contains the cap retaining clip

designed to fit standard 1-inch diameter motor shafts commonly found in high-capacity air handlers

as per updated technical bulletins to ensure proper fault detection and safety compliance

AERCO 123970 Flame Sensor 318973-401 Rugged Construction: Industrial-grade components designedThe 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