Labor Efficiency: Quickly covers oversized holes or mismatched paint lines left by old thermostat bases

Assists with efficient refrigerant metering

By maintaining rigid structural integrity

ensuring stable flame monitoring

it is factory-calibrated to break the electrical circuit at a fixed 160°F and automatically reset at 140°F

Marvair S/07846 Controller Els PW 17895 Labor Efficiency: Quickly covers oversizedThe Marvair S 07846 CommStat 4 Controller is a high precision, factory new OEM HVAC control module designed to manage mission critical cooling environments, including telecom shelters and industrial equipment rooms. As the primary lead lag controller for dual unit Marvair systems, this board optimizes runtime across multiple compressors while providing crucial fail safe redundancy. The S 07846 serves as the official direct replacement for Marvair S