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Always check the heater’s rating plate for the correct drill size requirements
Technicians should use a 1-inch "thin-wall" hex socket wrench to avoid damaging the regulator body during removal or installation
it serves as the direct successor to the 800173F
Industry Standard Mounting: Includes a standard bracket for seamless drop-in replacement in existing brackets
allowing for immediate installation in existing control loops
Reznor 131449 Limit Switch Always check the heater’s ratingThe Reznor 131449 Limit Switch is a critical OEM replacement part designed for integration into gas fired unit heaters and industrial HVAC systems. This 110F CO Auto Limit Switch functions as a high limit safety cut out, automatically breaking the electrical circuit if internal temperatures reach the 110F threshold. Engineered for heavy duty industrial heating equipment, this component helps prevent heat exchanger damage and ensures safe operational