021-884

Ensure the safe and efficient operation of your heating and cooling equipment with this professional-grade low-pressure cutout switch. As a critical air-proving component, this pressure sensor monitors system airflow and internal pressure levels to maintain a safe operating environment. When it detects a drop in pressure below the calibrated 250 setpoint, the switch opens the electrical circuit, automatically shutting down the appliance to prevent damage or unsafe operation. This replacement air pressure switch is an essential safety component for furnace repair, air handler maintenance, and ensuring proper ventilation in residential and commercial climate control systems. Designed for precision and reliability, it serves as a vital safeguard against system failure.
Type: Air Pressure Switch / Air Proving Switch
Size: Standard
Application: Commonly utilized in HVAC systems, furnaces, boilers, and air handling units to monitor airflow and provide safety cutout functionality during low-pressure conditions.
Specifications: Switch Function: Low Pressure Cutout; Contact Action: Opens on Pressure Drop (250 Open); Component Type: Air Proving Sensor