000 BTU configuration

Automatic Reset Functionality: The normally closed (NC) circuit automatically re-engages once temperatures drop to 145°F

Frictionless Design: Features a free-floating guided lever mechanism that eliminates fixed pivots

What are the signs that a pilot/ignitor assembly needs replacement

Precise Calibration: OEM-spec resistance ensures the control board receives accurate thermal data for efficient operation

Reznor 221172 Ventor Wheel 320720-756 000 BTU configurationWhen you are managing a combustion call on a commercial job site, the Reznor 221172 Ventor Wheel is a critical OEM replacement part for maintaining the structural integrity of the venting system. This precision balanced blower wheel is engineered to withstand the thermal stresses found in gas fired unit heaters, ensuring consistent flue gas extraction and steady combustion airflow. An unbalanced or corroded venter wheel is often the root cause of