always verify the trip point with a properly calibrated manometer during commissioning

which is critical for maximizing combustion efficiency in residential and light commercial HVACR systems

Constant discharge from the relief valve typically indicates internal fouling or a worn seat

While designed for AAON equipment

or system error codes related to air pressure switches and flame rectification issues

Maxon 200SMM11AA11BA2A0 Gas Valve R-452A always verify the trip pointThe Maxon 200SMM11AA11BA2A0 is a heavy duty, 2 inch electro mechanical gas shut off valve engineered for critical fuel line safety in industrial combustion systems. This manual reset gas valve features a 2 way normally closed configuration, ensuring a fail safe closure in less than one second when de energized. Built with a rugged cast iron body and high grade Buna N O rings and bumpers, this unit is designed for general purpose applications handling