Durable Construction: High-grade stainless steel ensures long-term resistance to metal fatigue and chemical degradation from refrigerant oil

Using a genuine Nortek replacement part ensures the hub is properly aligned

25 inches in width (including flanges) with a 4

Key Benefits OEM Compatibility: Specifically designed for Reznor F100

This part is verified for use in a wide range of Lennox commercial and residential equipment

Resideo 120320 Cell Assembly 326010-701 Durable Construction: High-grade stainless steelThe Resideo 120320 Cell Assembly is the critical sensing component for C554A and C6031A cadmium sulfide flame detectors, designed specifically for commercial and residential oil fired burners. This replacement cad cell features a sensitivity range of 400 1600 Ohms at 2 foot candles, ensuring precise flame intermittent detection and reliable signal transmission to the primary oil safety control. The 120320 is functionally identical to the 120320 U,