Marvair S/07846 Controller 30067439-890 For technicians servicing Carrier rooftop

For technicians servicing Carrier rooftop units or split systems

What is the primary function of the 6'6" capillary tube

helping protect equipment and maintain system control integrity

this 1" MNPT x 1" FNPT safety valve is factory-set at 15 PSI to provide reliable overpressure protection in commercial and residential hydronic systems

System Reliability: Restores proper communication between the 24V control circuit and line-voltage components

Marvair S/07846 Controller 30067439-890 For technicians servicing Carrier rooftopThe 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