Description
The Amana / Goodman B1370133 is a genuine OEM air pressure switch designed for use in gas furnaces. Operating at –0.35 inches of water column (WC), this SPST (single pole, single throw) switch ensures proper draft and airflow conditions in the system, and plays a critical role in furnace safety and performance.
Features:
- Design Setpoint: –0.35″ WC — Diagnoses negative pressure in the burner chamber, allowing the furnace control to confirm that venting and manifold pressure are correct.
- SPST Configuration — Simple, robust switch action, opening or closing the circuit based on pressure differential.
- Genuine OEM Quality — Manufactured to original Amana / Goodman standards for reliability and compatibility.
- Broad Compatibility — Used in many Goodman, Amana, and Janitrol furnaces; replaces older part number B1370138.
- Robust Construction — Built for repeated cycles and long service life in HVAC environments.
