R40154B024 | L140F-30 Limit Switch | Armstrong Furnace

**L140F-30 Limit Switch by Armstrong Furnace (R40154B024)** The Armstrong Furnace L140F-30 Limit Switch (SKU: R40154B024) is a crucial component in ensuring the safe and efficient operation of your furnace. This limit switch acts as a safety mechanism to prevent overheating by cutting off the power supply to the gas valve when the temperature exceeds a preset limit. Engineered with precision, the L140F-30 Limit Switch is designed to withstand the demanding conditions of furnace operation. Its robust construction guarantees reliable performance and extended service life. The switch features a normally closed contact configuration, ensuring immediate power cut-off in case of excessive temperatures. The L140F-30 Limit Switch is an essential replacement part for Armstrong Furnace models equipped with this specific switch. By incorporating this high-quality component into your maintenance routine, you can enhance the safety and reliability of your furnace, ensuring optimal heating performance throughout its lifespan. Shop our HVAC supply store for the best prices and fast shipping on all your industrial equipment needs. Contact our team today for expert advice and personalized assistance for your furnace maintenance requirements.