Armstrong Furnace 20274507 Pressure Switch 321894-706 15" WC to ensure accurate

15" WC to ensure accurate sensing of air pressure or flue exhaust within strict tolerances

This antenna serves as the communication hub

8 Amps and 60 Hz

Direct Fit: 3-inch probe length ensures accurate air temperature monitoring in OEM housings

ensuring perfect electrical integration and physical fit on the refrigerant tubing

Armstrong Furnace 20274507 Pressure Switch 321894-706 15" WC to ensure accurateThe Armstrong Furnace 20274507 Pressure Switch is a high performance, OEM replacement part specifically engineered for HVAC systems operating in elevated environments. This high altitude pressure switch is a critical safety component designed to monitor and regulate internal air pressure, ensuring that your furnace operates within its designated airflow parameters to prevent hazardous exhaust buildup. By accurately sensing atmospheric changes, it