Maxon 250SMA11AA11BB21A0 Gas Valve 319847-401 or the system shutting down

or the system shutting down shortly after ignition due to a failure in the flame sensing circuit

this model is constructed with a copper alloy containing lead and is intended for non-potable liquid applications such as cooling loops

500 OD connection for common suction line diameters in standard tonnage heat pumps

Professional technicians should never attempt to field-adjust the set screw

If your inducer motor is failing to reach the proper RPM or the bearings are seized

Maxon 250SMA11AA11BB21A0 Gas Valve 319847-401 or the system shutting downThe Maxon 250SMA11AA11BB21A0 Gas Valve is a 2 1 2" ANSI threaded electromechanical safety shut off valve engineered for critical fuel gas applications in industrial boilers and furnaces. This normally closed gas valve features a cast iron body and a standard port flow capacity (Cv 127), ensuring reliable gas safety shut off and control. Built for standard duty environments, it utilizes Buna body O rings and bumpers with Internal Trim Package 1 to