36K30 | R40154B021 CONTROL-LIMIT | Lennox

**Lennox 36K30 Auto Limit Switch** The Lennox 36K30 Auto Limit Switch is a reliable and essential component for maintaining the optimal operation of heating and cooling systems. This switch is designed to automatically limit the temperature of the system, preventing overheating and potential damage to the equipment. **Key Features:** * Temperature range: 190-220°F * Length: 7" * Durable construction ensures long-lasting performance **Benefits:** * Prevents system overheating and ensures safe operation * Extends the life of heating and cooling equipment * Protects against costly repairs and downtime **Applications:** The Lennox 36K30 Auto Limit Switch is ideal for use in various heating and cooling systems, including: * Furnaces * Air conditioners * Heat pumps Trust our HVAC supply store for the best prices and fast shipping on all your Lennox replacement parts. Contact us today to order the 36K30 Auto Limit Switch and ensure the optimal performance of your HVAC system.