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Designed with professional technicians in mind
making it a versatile differential pressure switch for proving fan operation or monitoring filter status in demanding mechanical environments
always verify your specific heater’s parts list to confirm the 97300 part number
Simplified Installation: Standard lead configurations and mounting footprints allow for rapid field replacement in existing Sterling cabinets
industrial-grade material
Daikin-McQuay 4009542 Circuit Board 323269-701 Designed with professional technicians inFor service professionals managing a "U4" or "E30" error code on high performance split systems, the Daikin McQuay 4009542 Circuit Board is the precise field ready solution. This genuine OEM replacement board (sometimes listed as PCB CTXS07LVJU) is the primary command module for indoor units, coordinating the electronic expansion valve (EEV) and fan motor communication pulses for stable refrigerant flow. As an official Daikin HVAC part, it ensures
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