59W40 | -.15 Blower Proving Switch | Lennox

Lennox NCO-59W40 Blower Proving Switch The Lennox NCO-59W40 Blower Proving Switch is a critical component for ensuring the safe and efficient operation of your HVAC system. Designed specifically for Lennox furnaces, this switch monitors airflow from the blower motor and initiates the ignition sequence once it detects adequate airflow. By doing so, it prevents ignition attempts in the absence of airflow, reducing the risk of combustion issues and ensuring optimal system performance. The switch is made from high-quality materials, ensuring durability and longevity. Its compact design makes it easy to install and maintain, minimizing downtime and maximizing system reliability. Trust the Lennox NCO-59W40 Blower Proving Switch to safeguard your HVAC system and ensure years of trouble-free operation. Our HVAC supply store - We offer the best prices and fast shipping for your products!