Resideo 120320 Cell Assembly 321042-401 preventing the operation of the

preventing the operation of the gas valve if flue gas venting is obstructed or the inducer blower fails

Designed for field reliability

Streamlines the RPZ valve repair process with a drop-in check valve module

9 Cv flow coefficient with an equal percentage flow characteristic

3 Full Load Amps (FLA) design balances energy consumption with consistent 1100 RPM airflow

Resideo 120320 Cell Assembly 321042-401 preventing the operation of theThe 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,