Industrial-Grade Durability: Forged brass construction combined with NBR (Nitrile) seals provides excellent chemical compatibility and wear resistance

if the motor windings show resistance to ground below 100k ohms

Built to handle high torque loads without structural fatigue

ensuring it meets the rigorous mechanical standards required for pressurized hydronic heating systems

Confirm the part number against your fan's nameplate or check the shaft diameter and rotation (CW) to match the existing centrifugal wheel requirements

Lennox 98G22 Arm 321894-706 Industrial-Grade Durability: Forged brass constructionThe Lennox 98G22 Motor Mount Arm is a critical OEM replacement part engineered specifically for air handler blower assemblies and industrial motor applications. Measuring 3. 750 x 3. 188 inches, this heavy duty arm provides the structural stability required to maintain precise motor alignment, which is essential for preventing premature bearing failure and excessive vibration. As a veteran technician knows, using a genuine Lennox 98G2201 bracket