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Spa Crest Hot Tubs 53421 Circuit Board, SPAC20R1(x), Alternate Repl

  • Part Number: 53421
  • Chip Number: SPAC20R1(x)
  • Manufactured by: Spa Crest Inc.

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

This is an alternate replacement circuit board (same manufacturer) and can save you money.
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:
  • SPAC20R1A
  • SPAC20R1B
  • SPAC20R1C
  • SPAC20R1D
  • SPAC20R1E
  • SPAC20R1F
  • SPAC20
  • SPAC20R1
  • SPAC20R1(x)
Serial numbers:
(a.k.a. part number)
  • 53421
  • BAL53421
  • 53421-01
Additional Cross Reference, Compatibility & Installation
ATTENTION: Control panel (topside) must be a Deluxe Digital 8-Button.
If your topside control panel is NOT a Deluxe Digital 8-Button then do NOT place this order.
Do not guess.

Not sure what that means?
No problem, just give us a call so we can assist you better.
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.
Control System Serial Numbers
This is not required for cross reference identification.

Used in the following hot tub system control boxes (but not limited to).

Control box serial numbers:;
  • 53006-03
  • 53007-02
  • 53007HC2

  • Part Number: 53421
  • Chip Number: SPAC20R1(x)

  • Manufactured by: Spa Crest Inc.
  • Shipping Weight: 5lbs
  • Item Number: 22-2686

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