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This specific integrated furnace control serves as the direct replacement for CNT7639
as well as specific FAS and HBC air handler models
making it a preferred choice for commercial cooking equipment and industrial heaters
ensuring a functional neutralizer kit is vital for protecting the client's infrastructure
Precision Alignment: Ensures the motor bearing stays centered within the bracket to prevent shaft wobble
Reznor 122990 Limit 318518-761 This specific integrated furnace controlFor 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
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