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Phoenix Hot Tubs 52903 Circuit Board, PHX05R1(x), Alt Replacement

  • Part Number: 52903
  • Chip Number: PHX05R1(x)
  • Manufactured by: Phoenix Hot Tubs

$335.08

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Item Number: 22-4699

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

This money saving alternate replacement is for replacing Phoenix Hot Tubs 52903 circuit boards having a PHX05R1(x) chip number.
Tip: (x) = the last letter of your chip number.

This alternate circuit board will have a different serial number and a different chip number.
If you want to spend more money for a circuit board with the same number, you will need to click on the button (above) for all replacements too see if the original is stocked.
This alternate replacement is made by the same manufacturer with the same durability and quality.
This alternate replacement has been verified as a working replacement.
See below for feature changes or feature loss (if any).
See below for install instructions (if any are needed).
Cross Reference Verification
Step 1 of 2:
Make sure your circuit board's serial number is in this list.
Tip: The circuit board's serial number is on a sticker on the circuit board (this is not the box's number).
Tip: Only the first five digits are need to verify the serial number.
Tip: Sometimes the serial number is shown as P/N (part number).
Tip: The image above shows an example of a serial number sticker.

Serial Numbers:
  • 52903
  • BAL52903
  • 52903-01
Step 2 of 2:
Make sure your circuit board's chip number is in this list.
Tip: The whole chip number is on a sticker located on the circuit board.
Tip: This is a different sticker than the serial number sticker.
Tip: The image above shows an example of a chip number sticker.

Chip Numbers:
  • PHX05R1A
  • PHX05R1B
  • PHX05R1C
  • PHX05R1D
  • PHX05R1E
  • PHX05R1F
  • PHX05
  • PHX05R1
  • PHX05R1(x)
Additional Cross Ref., Compatibility & Installation
Changes in functionality:
This replacement circuit board is compatible with the original topside control panel, however, depending on which control panel you have, the the button order may change after installation.

For example, pushing the Light button may turn the Jet on/off.
Pushing the Jet button may turn the Light on/off.
(The ability to ability to turn on and off the jets and light is still there.)

Another example, if you have two buttons for adjusting the temperature (Up and Down), these buttons may become combined into one button.
(The ability to adjust the temperature is still there.)

This replacement circuit board does NOT have a plug on it for a stereo.
If your hot tub system has a stereo, the plug must be cut off.
Then reconnect those cut wires as follows:

For 120V stereo:
Connect the Green wire to GROUND.
Connect the White wire to NEUTRAL
Connect Black wire to RED A/C

For 240V stereo:
Connect the Green wire to GROUND.
Connect the White wire to RED A/C
Connect Black wire to BLACK A/C

If you don' have a stereo then connect as before.

Everything else functions and connects as before.
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: 52903
  • Chip Number: PHX05R1(x)

  • Manufactured by: Phoenix Hot Tubs
  • Item Number: 22-4699


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