Reznor 221251 Pressure Switch WC - 2.65

The Reznor 221251 is an OEM replacement pressure switch rated at 2.65 inches of water column (WC) for Reznor furnaces and unit heaters. This critical safety component monitors airflow and draft pressure to ensure proper combustion and safe operation of your heating system.

Key Features:

• Pressure rating: 2.65" WC (inches of water column)
• Genuine OEM Reznor replacement part
• Designed for Reznor furnaces and unit heaters
• Safety switch that prevents operation without proper airflow
• Features standard hose ports and wiring terminals

Pressure switches are essential safety devices that verify the inducer motor is creating adequate draft before allowing the heating system to ignite. This switch ensures your unit operates safely by confirming proper airflow through the heat exchanger and venting system. When the pressure switch fails, the heating system will not operate, making timely replacement crucial for restoring heat.

This is a direct OEM replacement part from Reznor, ensuring proper fit and reliable performance in your heating equipment.