When diagnosing a furnace limit switch tripping or a complete system shutdown

The all-angle mount capability

Low Operating Pressure: Designed for systems ranging from 0 to 40 PSI

Precision Control: Integrated minimum position adjustment allows for fine-tuning airflow control to maintain head pressure and system balance

Heil Quaker ICP 1175971 Inducer Wheel 320735-701 When diagnosing a furnace limitThe Heil Quaker ICP 1175971 Inducer Wheel is a critical draft inducer blower wheel designed for high performance combustion air management in residential gas furnaces. This counterclockwise (CCW) rotating wheel is a direct OEM replacement for LA21RB549 and features a precise 5 1 4 inch diameter and 1 inch width. Engineered by International Comfort Products (ICP), it fits various Heil, Tempstar, Comfortmaker, and Quaker heating units, specifically