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and Day & Night units where maintaining original OEM HVAC parts specifications is required for local code compliance and system integrity
It is engineered to replace legacy or failed boards in York
it is functionally identical to the PRS2704
ensuring that pneumatic signals are accurately converted into mechanical force for precise valve positioning
Integrated dual auxiliary switches provide remote feedback on damper blade position
Carrier HK32AB201 Defrost Control 323269-701 and Day & Night unitsThe Carrier HK32AB201 Defrost Control is a genuine OEM replacement board engineered for precise demand defrost cycles in residential and light commercial heat pumps. Designed for specific Carrier, Bryant, and Payne central air systems, this board monitors liquid line temperature and coil temperature to trigger defrost only when necessary, maximizing system efficiency and preventing unnecessary compressor wear. This integrated solid state control
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