Lennox 10H14 Blower Pulley 321042-401 Operating across a temperature range

Operating across a temperature range of -58°F to 175°F

making it a versatile choice for standard domestic and specialized power applications

the board is likely at fault

preventing backpressure issues and optimizing thermal transfer

Use the top adjustment screw

Lennox 10H14 Blower Pulley 321042-401 Operating across a temperature rangeWhen you're out in the field dealing with a slipped belt or a noisy drive assembly, the Lennox 10H14 Blower Pulley is the exact OEM spec you need to restore proper HVAC airflow performance. This high durability cast iron finished bore pulley is engineered specifically for Lennox, Allied, and Armstrong air handlers. Featuring a 4. 45 inch outside diameter and a precise 5 8 inch bore, this 1 groove blower pulley provides the exact torque transfer