56W21 | R46105-002 CONTROL-LIMIT ORANGE | Lennox

L160-30F LIMIT SWITCH: The Lennox 56W21 Limit Switch is a replacement part for Lennox furnaces and air handlers. This limit switch is designed to sense the temperature of the air leaving the furnace or air handler and turn off the unit if the temperature exceeds a safe limit. This helps to prevent the unit from overheating and causing a fire. The 56W21 Limit Switch is a direct replacement for the original part and is easy to install. Key Features: - Replacement limit switch for Lennox furnaces and air handlers - Senses the temperature of the air leaving the furnace or air handler - Turns off the unit if the temperature exceeds a safe limit - Helps to prevent the unit from overheating and causing a fire - Direct replacement for the original part - Easy to install Shop now at our HVAC supply store for the best prices and fast shipping on all your HVAC parts and supplies!