74N45 | Switch Casting Temp Q90 36T26-42930 300 for Gas-Fired Direct Vent Condensing Hot Water Boiler | Lennox

**NCO-74N45 Lennox Temperature Safety Switch** The Lennox NCO-74N45 is a critical component of your HVAC system, ensuring the safe and efficient operation of your heating and cooling equipment. Its primary function is to monitor the temperature and activate a safety mechanism when it exceeds a predetermined threshold, preventing potential damage to your system. With robust construction and precise sensing capabilities, the NCO-74N45 reliably detects temperature changes and triggers a response, protecting vital components from overheating. Its compact design allows for easy installation and integration into existing HVAC systems. **Key Benefits:** * Ensures safe and efficient HVAC operation by monitoring temperature * Triggers safety measures to prevent system damage due to overheating * Reliable and precise temperature sensing * Easy installation and integration **Applications:** The NCO-74N45 Temperature Safety Switch is essential for various HVAC applications, including: * Furnaces * Air handlers * Heat pumps * Commercial and residential HVAC systems **Specifications:** * SKU: 74N45 * Brand: Lennox * Type: Temperature Safety Switch * Voltage: As per HVAC system requirements * Temperature Range: As per HVAC system design Protect your HVAC investment with the Lennox NCO-74N45 Temperature Safety Switch. Our HVAC supply store offers the best prices and fast shipping on all your HVAC parts and supplies. Shop now!