Description
The Goodman 0130F00251 is an OEM replacement SPST (Single-Pole, Single-Throw) pressure switch engineered for use in Goodman and Amana brand gas furnaces and air handlers. Designed to monitor negative pressure within the flue and combustion air system, this switch helps ensure safe furnace operation by verifying that the inducer motor is producing adequate draft before allowing ignition to proceed.
Key Features
- Set point: -1.40″ pf (pressure factor / water column) — factory-calibrated for precise, reliable actuation
- 1/4″ barbed port connection for secure, leak-free hose attachment
- SPST (Single-Pole, Single-Throw) switching configuration for straightforward circuit integration
- Direct OEM replacement for compatible Goodman and Amana furnace models
- Helps protect against unsafe furnace operation caused by blocked flue, failed inducer, or cracked pressure hose
- Compact, durable construction built to withstand the demands of residential and light-commercial HVAC applications
How It Works
The pressure switch senses the negative (vacuum) pressure generated by the draft inducer motor. When the inducer reaches the correct operating speed and produces sufficient draft, the pressure switch closes, signaling the furnace control board to advance to the ignition sequence. If adequate negative pressure is not achieved — due to a blocked flue, failed inducer, or a cracked/disconnected pressure hose — the switch remains open, preventing ignition and protecting the heat exchanger and occupants from potential hazards.
Application
- Replacement pressure switch for Goodman and Amana gas furnaces
- Compatible with models requiring a -1.40″ pf SPST pressure switch with a 1/4″ barbed port
- Suitable for residential and light-commercial forced-air heating systems
Installation Notes
Always verify compatibility with your specific furnace model number before installation. Inspect the pressure hose and port for cracks, blockages, or moisture before replacing the switch, as these conditions are common causes of pressure switch failure. Refer to the furnace manufacturer’s wiring diagram and service manual for proper installation procedures.
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