121-689

Ensure your heating system operates safely and efficiently at higher elevations with this High Altitude Pressure Switch Kit. This critical HVAC component acts as an air proving switch, monitoring the pressure differential generated by the inducer motor to verify proper venting and airflow before allowing the furnace to ignite. Specifically engineered for installations in high-altitude regions where air density is lower, this kit prevents nuisance shutdowns and ensures the combustion process maintains the correct balance. Whether you are replacing a failing sensor or performing a high-altitude conversion, this durable air pressure switch is essential for maintaining the safety and performance of your residential or commercial gas furnace.
Type: Air Pressure Switch Kit
Size: Small
Application: Gas furnaces, HVAC heating systems, and combustion venting assemblies located in high-elevation environments.
Specifications: High-altitude calibrated pressure sensor designed for air proving and vent safety monitoring.