T
o
p


Balboa 55299 Circuit Board BDV520SZR1(x), Hydro-Quip 33-0033C-K

Balboa 55299 Circuit Board BDV520SZR1(x), Hydro-Quip 33-0033C-K
  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 55299
  • Chip Number: BDV520SZR1(x)

$374.10



Item Number: 22-7237

  • Description
  • Details
  • Reviews
Please read entire page before placing an order.

This new OEM circuit board is for replacing Balboa 55299 circuit boards having a BDV520SZR1(x) chip number.

The Balboa 55299 BDV520SZR1(x) circuit boards are also found in hot tubs made by Hydro-Quip, Inc. under the part number 33-0033C-K.

Tip: The "(x)" shown above is shorthand for a range of last letters on BDV520SZR1 chip numbers this circuit board can replace.

Please note: A list of chip numbers this circuit board can replace is specified in the CROSS REFERENCE VERIFICATION section below.

Please Note: The numbers on the new circuit board you receive may be different and the components may look slightly different but it will still connect the same and it is a fully compatible OEM replacement , unless specified otherwise in the ADDITIONAL CROSS REF., COMPATIBILITY & INSTALLATION section below.

Cross Reference Verification
Step 1 of 2:
Tip: Locate the serial number on the old circuit board being replaced.
Tip: The serial number is on a sticker on the old circuit board (not the box).
Tip: The serial number is shown on the sticker preceded by S/N or P/N (part number).
Tip: The image above shows an example of a serial number sticker (click image to enlarge it).

Verify the serial number on the old circuit board being replaced is in this list.

Serial Numbers:
  • 55299
  • BAL55299

Step 2 of 2:
Tip: Locate the chip number on the circuit board you are replacing.
Tip: The whole chip number is on a sticker located on the circuit board (not the box).
Tip: This is a different sticker than the serial number sticker.
Tip: The chip number sticker usually has two lines of text and the top line is the whole chip number (the bottom line is not needed).
Tip: See image above for an example of a chip number sticker and where they're typically found on the circuit board (click the image to enlarge it).

Verify the chip number on the circuit board being replaced placed is in this list.

Chip Numbers:
  • VS520SZR1A
  • VS520SZR1B
  • VS520SZR1C
Additional Cross Ref., Compatibility & Installation
This circuit board does not use a NEUTRAL wire on the power input.
System Control Box Serial Numbers
Tip: The system control box is usually located below the hot tub and the circuit board mounts inside of it.

Please note: System control box serial numbers cannot identify a circuit board.
Please note: Do not use this section for confirmation of making the correct purchase.

The Balboa 55299 BDV520SZR1(x) circuit board can be found in the following hot tub system control boxes (but not limited to).

System Control Box Serial Numbers:
  • 54661
  • 54661-01
Tip: When replacing a hot tub circuit board, testing the heater and replacing it (if bad), is recommended before installing or applying voltage on a new circuit board.
Note: A continuity test is not a sufficient heater test. Contact us by phone for more details on testing a heater.
See RELATED PRODUCTS below for heater replacements.

Tip: Burned circuit boards or burned heater relays are often due to a loose electrical connection or a bad heater or both.
If all connections are tight and if the heater is good then the heater relays are probably old and worn out.
If a burned relay was powering a pump and all electrical connections are tight then the relay is probably old and worn out or the pump might be bad or going bad or all three.
Replacing the heater and/or pump with a new one is recommended if any of those scenarios apply.

Tip: Items shown in RELATED PRODUCTS below have also been found in hot tub systems with Balboa 55299 BDV520SZR1(x) circuit boards.

Unsure of what something on this page means?

Please contact us so we can better assist you.


  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 55299
  • Part Number: BDV520SZR1(x)
  • Item Number: 22-7237


Be the first to write a review.  Write a Review.