Reznor 197031 High Altitude Pressure Switch

The Reznor 197031 is a high altitude pressure switch designed specifically for Reznor gas-fired heating equipment operating at elevations above 2,000 feet. This safety component monitors the pressure differential in the combustion air system to ensure proper burner operation in low-pressure atmospheric conditions.

Key Features:

• Calibrated for high altitude operation to compensate for reduced atmospheric pressure
• Ensures safe ignition and flame proving in elevated installations
• Direct OEM replacement part for Reznor unit heaters and heating systems
• Monitors combustion air pressure to prevent unsafe operating conditions
• Pre-calibrated settings for reliable performance without field adjustment

This pressure switch is a critical safety component that helps maintain proper air-to-fuel ratios in high altitude environments where standard pressure switches may not function correctly. It automatically shuts down the heating system if proper combustion air pressure cannot be maintained, protecting the equipment and ensuring safe operation.