Reznor 122990 Limit 318518-761 failure-prone clear pans found in

failure-prone clear pans found in many 33-inch high-efficiency furnaces

Precision Alignment: Ensures the motor bearing stays centered within the bracket to prevent shaft wobble

as well as specific FAS and HBC air handler models

If your probe is fouled or damaged

making it a preferred choice for commercial cooking equipment and industrial heaters

Reznor 122990 Limit 318518-761 failure-prone clear pans found inFor service technicians and commercial contractors, the Reznor 122990 Manual Reset Limit Switch is a critical OEM safety component designed for heavy duty gas fired unit heaters. Engineered to open at 180F, this high limit control acts as a fail safe against heat exchanger overheating. Unlike automatic switches, the manual reset design requires a physical inspection of the system before resuming operation, ensuring that common failure pointssuch as