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For technicians performing HVAC system troubleshooting or routine safety inspections
If the outdoor coil is completely iced over or the system fails to enter defrost mode despite the control board triggering the signal
the Nordyne 632425R offers a direct drop-in solution for aging or fouled switches
Sensor Lead Wire
Lennox 21703 Wheel Refrigerant For technicians performing HVAC systemWhen you are dealing with a critical airflow issue in a high capacity system, the Lennox 21703 Blower Wheel is the direct OEM replacement fan wheel engineered to restore factory spec HVAC performance. This double inlet centrifugal wheel features a precise 12 5 8 inch diameter and 12 5 8 inch width, designed specifically for a 5 8 inch bore shaft. Constructed from heavy duty galvanized steel, this forward curved blower wheel is built to handle the