120-888

Ensure your HVAC system operates safely and efficiently with this high-quality Low Pressure Air Proving Switch. Designed to monitor the air pressure within your furnace or air handling unit, this switch acts as a critical safety component by 'proving' that the blower motor is creating the necessary airflow before allowing the system to proceed with its heating or cooling cycle. This plug-style pressure switch features precise 90/60 set points to maintain optimal performance and prevent unsafe operating conditions. If your HVAC unit is failing to ignite, cutting out unexpectedly, or showing pressure-related error codes, a faulty air pressure sensor may be the cause. This durable replacement part helps restore reliable operation and maintains the longevity of your heating and cooling equipment.
Type: Low Pressure Air Proving Switch
Size: Small
Application: Heating, ventilation, and air conditioning (HVAC) systems including residential furnaces, heat pumps, and air handlers.
Specifications: 90/60 pressure set points, plug-in connection design, air pressure sensing functionality.