NBK 20975 Furnace Pressure Switch 1.50" WC SPST Replaces Nordyne 632491R

The NBK 20975 Furnace Pressure Switch is designed to monitor and control the air pressure within your furnace system. It ensures safe and efficient operation by detecting proper airflow and triggering system responses as needed.

• Model: NBK 20975
• Pressure Rating: 1.50" WC (Water Column)
• Switch Type: SPST (Single Pole Single Throw)
• Replaces: Nordyne 632491R
• Application: Furnace pressure monitoring and control

This is an aftermarket part, not an OEM component. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.