While it is generally plug-and-play for supported models

Compact SPST Design: Simplifies wiring with a standard single-pole single-throw configuration for direct circuit integration

The die-cast aluminum body and NBR seating ensure a resilient seal and long-term durability in environments ranging from -40°F to 160°F

Designed for maximum precision in industrial and commercial HVACR applications

This 1/4" diameter by 2" long probe features a secondary reference resistance of 30

AERCO 123970 Flame Sensor 326070-701 While it is generally plug-and-playThe 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