Goodman HSP-2573983 Air Proving Safety Switch

Product Description

The Goodman HSP-2573983 is an air proving safety switch designed for use in gas furnace applications. This switch monitors inducer or combustion air blower operation and confirms adequate airflow before allowing the furnace control board to continue through the ignition sequence. Without a confirmed pressure signal, the switch interrupts the heating cycle, preventing unsafe operation. Licensed HVAC technicians install and replace this component as part of routine furnace diagnostics and repair. It is a direct OEM-style replacement part sourced for Goodman equipment.

Air proving safety switches are commonly found in residential forced-air gas furnaces where inducer-assisted venting is used. The switch is wired into the low-voltage control circuit and works in conjunction with the draft inducer motor. When the inducer creates sufficient negative pressure, the switch closes and signals the control board that combustion airflow is established. This component is typically accessed during a no-heat service call when the furnace fails to advance past the inducer stage or when a pressure switch fault code is displayed.

Key Features

• Monitors combustion air pressure to verify proper inducer operation before ignition
• Interrupts the heating cycle if adequate airflow is not confirmed, protecting against unsafe furnace operation
• OEM-style replacement for Goodman furnace applications
• Wires into the low-voltage furnace control circuit

Compatibility

Designed as an OEM-style replacement air proving safety switch for Goodman residential gas furnaces equipped with draft inducer-assisted venting systems.

Installation Notes

Installation should be performed by a licensed HVAC technician. Shut off power to the furnace at the disconnect or breaker before removing or installing any control components. Inspect the pressure switch hose and ports for cracks, blockages, or moisture before replacing the switch, as a faulty hose is a common cause of pressure switch failure. Work should comply with applicable local mechanical codes and the furnace manufacturer's service documentation.

Technical Specifications

• Component Type: Air Proving Safety Switch

Standard Information

• Brand: Goodman
• Manufacturer Part Number: HSP-2573983