020-442

This high-quality high pressure switch is a critical safety component designed for modern HVAC systems and heating units. Functioning as an air proving switch, it monitors the differential pressure within the furnace or rooftop unit to ensure that the inducer motor is operating correctly and providing sufficient airflow for safe combustion. If the pressure falls outside of safe operating parameters, the switch interrupts the ignition circuit to prevent hazardous operation. This replacement part is ideal for resolving issues where a heating system fails to ignite, shuts off prematurely, or displays pressure-related error codes. Built for reliable performance and precision, it ensures your heating equipment operates at peak efficiency while maintaining strict safety standards.
Type: Air Pressure Switch
Size: Standard
Application: Used in commercial and residential gas furnaces, rooftop HVAC units, and industrial heating systems to monitor inducer fan draft and ensure safe combustion airflow.
Specifications: Single-pole pressure sensor calibrated for high-pressure detection; features a durable diaphragm and standard electrical terminal connections for integration into safety control circuits.