Contaminant Protection: Includes an internal inlet screen to prevent gas line debris from fouling the servo pressure regulator

OEM Compatibility: Specifically matched for Honeywell Q624A spark generators and Q652 series components to ensure precise signal timing

serving as the primary protection against heat exchanger overheating

It is not a high-limit safety for the burner

essential for multi-stage fan control and safety interlocks

Emerson Alco 044846 Valve Contaminant Protection: Includes an internalThe Emerson Alco 044846 (Model X6346 17) is a heavy duty, take apart expansion valve body designed for high demand HVACR systems. Engineered for use with the TCL and TCLE series, this valve body features a 5 8" ODF sweat inlet and a 7 8" ODF sweat outlet, facilitating a robust straight thru body flow configuration. As part of Alcos legendary T Series, it offers maximum flexibility for technicians, allowing for the easy replacement of internal cages,