【 Reliable & Durable Build】 : Constructed with heat-resistant materials to endure demanding furnace environments, ensuring long-lasting performance, accurate response, and stable operation in high-temperature conditions
【Function】 : This L140 furnace limit switch provides critical protection by monitoring burner temperature. It activates at 140°F (60°C), cutting power to the burner to prevent flame rollout and potential damage. Once the area cools to 110°F (43°C), it automatically resets, allowing the furnace to resume normal operation without manual intervention
【Easy Installation】: This L140-30F furnace limit switch can be installed simply and quickly. Please ensure the equipment is completely powered off before operation, and it can be quickly restored to normal use after installation