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-   -   What is a circuit board on hvac system (https://www.askmehelpdesk.com/showthread.php?t=462636)

  • Apr 5, 2010, 09:50 AM
    todd1
    What is a circuit board on hvac system
    Is the thermostat is hooked to the circuit board
  • Apr 5, 2010, 10:08 AM
    ballengerb1

    Control boards are different with every model but basically are small computers that look like these Amana Furnace Model GUVA090BX50 Control Board Yes your stat connects to the control board usually 4-5 colored wires

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