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this switch is the official replacement for several discontinued models
maintaining system static pressure requirements across diverse ductwork layouts
Use a manometer to confirm if the system is producing the required negative pressure before replacing the switch
or selecting flow paths
Carrier 342813-75101 Coil Kit 321894-706 this switch is the officialThe Carrier 342813 75101 Coil Kit is a factory authorized aluminum evaporator coil designed for high efficiency heat transfer in residential and light commercial split systems. Built to replace aging or leaking copper and tin plated units, this replacement A coil kit provides a direct fit for 410A refrigerant applications. It is the designated engineering replacement for legacy part numbers 326385 770, 326385 781, and 340155 7031, ensuring seamless