Reznor 221172 Ventor Wheel 321894-706 The Yellow Jacket 49002 Low

The Yellow Jacket 49002 Low Side Gauge is a professional-grade 2-1/2 inch compound gauge designed for long-term field use

Built on a NEMA 48 frame with an open enclosure

offering seamless integration with existing low-voltage control circuits

allowing for seamless drop-in installation without repiping

Converting a PSC (Permanent Split Capacitor) blower system to an ECM requires a complete motor and control board overhaul

Reznor 221172 Ventor Wheel 321894-706 The Yellow Jacket 49002 LowWhen 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