【 Reliable Material】 : This high-limit switch is made with durable heat-resistant materials and reliable contacts, allowing it to withstand extreme temperatures without failure. It maintains consistent electrical flow and solid insulation, ensuring accurate cutoff performance for sustained reliability
【Function】 : This furnace primary thermal limit switch is an essential protective component designed to safeguard your HVAC system from overheating.Normally closed, it interrupts the heating circuit at 180°F (82°C) and automatically resets to resume operation once the temperature drops to 160°F (71°C). This helps prevent potential damage and ensures proper operation
【Easy Installation】 : This furnace thermostat limit switch is easy to installt. Please remember to turn off the power to your HVAC unit before beginning installation