York Parts S1-03109156000 Air Handler Fan/Electric Heat Control BoardAir Handler Fan Electric Heat Control Board from York Parts provides reliable control for your air handler's fan and electric heat functions. This used on item is designed for York AHX series air handlers and supports models AHX18B3XH21A, AHX24B3XH21A, and AHX30B3XH21A, including Flex Coil configurations. Whether you're replacing a worn control board or upgrading your system, this board ensures proper sequencing and safe operation of your heating and

As a dedicated HVAC replacement part

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