AERCO 123970 Flame Sensor 320788-703 This model is a DCL

This model is a DCL 305 series unit featuring a solid core composed of 80% molecular sieve and 20% activated alumina

this kit is required to restore starting torque

an externally equalized body (SQ or O series) is typically required to maintain accurate superheat

it provides the necessary current for standard residential applications

reducing the risk of biological growth and secondary drain line clogs

AERCO 123970 Flame Sensor 320788-703 This model is a DCLThe 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