R102857-20 | L140-30F Limit Control | Armstrong Furnace armstrong international Our trusted HVAC store offers

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R102857-20 | L140-30F Limit Control | Armstrong Furnace armstrong international Our trusted HVAC store offersL140 30F Limit Control: Armstrong Furnace R102857 20The Armstrong Furnace L140 30F Limit Control (SKU: R102857 20) is a crucial component for maintaining the safe and efficient operation of your heating system. This limit control monitors the temperature within the furnace and automatically shuts off the gas supply when it reaches a predetermined limit, preventing overheating and potential hazards. Key Features: High precision temperature sensing