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and blower motors
Its robust construction minimizes the risk of physical damage to the liquid crystal display while maintaining clear visibility of status messages and fault codes during boiler sequence monitoring
preventing the operation of the gas valve if flue gas venting is obstructed or the inducer blower fails
The direct-coupled design eliminates the need for complex linkages
Resideo 120320 Cell Assembly 321042-401 and blower motorsThe 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,
