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Precision Alignment: Ensures the motor bearing stays centered within the bracket to prevent shaft wobble
this assembly is critical for maintaining efficient combustion and preventing nuisance flame failures
Built with a Single-Pole Single-Throw (SPST) configuration
This specific integrated furnace control serves as the direct replacement for CNT7639
Reznor 122990 Limit 318518-761 Precision Alignment: Ensures the motorFor 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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