Key Benefits Factory Precision: Fixed 110°F open and 100°F close settings provide reliable furnace high limit protection without the drift associated with universal adjustables

It matches the original mounting

System Protection: Prevents gas valve activation under restricted flue or intake conditions

this unit integrates seamlessly with the Honeywell 301-EM Controller using an analog or digital interface

The ASCO 8220G404-208V supports a maximum operating pressure differential of 50 PSI for steam applications and up to 150 PSI for hot water service

Maxon 18117-N Flame Rod R-134A Key Benefits Factory Precision: FixedThe Maxon 18117 N Flame Rod is a critical industrial combustion safety component engineered for high performance flame rectification. As a direct, identical replacement for the legacy 18117 model, this 7. 125 inch rod is specifically designed for Maxon APX line style burners, though it also integrates seamlessly with NP AIRFLO and TUBE O FLAME series. Constructed with 95% pure Alumina ceramic insulation and a Kanthal D electrode, it maintains