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Marquis Spa 54278 Circuit Board, MQ2KUR2(x)

  • Part Number: 54278
  • Chip Number: MQ2KUR2(x)
  • Manufactured by: Marquis


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Item Number: 22-1956

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  • Description
  • Details
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For a money saving option, give us a call and ask about getting your circuit board repaired.

This is an original circuit board replacement.
Please read entire page before placing an order.
Cross Reference
See photo (above) for tips on locating the chip and serial number (a.k.a. part number).

You must match one chip number and one serial number.

Chip numbers:
  • MQ2KUR2A
  • MQ2KUR2B
  • MQ2KUR
  • MQ2KUR2
  • MQ2KUR2(x)
Serial numbers:
(a.k.a. part number)
  • 54278
  • BAL54278
Additional Cross Reference, Compatibility & Installation
If a wiring diagram is shipped with this circuit board (or emailed) then it shall override your existing wiring diagram.

Otherwise, set wires and jumper pins or dip switches the same as before.

That's it!

Please contact us if you are unsure what all this means.
Other Replacement Options
For all cross reference replacements of this circuit board:

Click Here

Or contact us if you need help finding or selecting parts.

  • Part Number: 54278
  • Chip Number: MQ2KUR2(x)

  • Manufactured by: Marquis
  • Shipping Weight: 5lbs
  • Item Number: 22-1956

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