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Leisure Bay 53426 Circuit Board, Extension Relay

  • Part Number: 53426
  • Chip Number: Extension Relay
  • Manufactured by: Leisure Bay Hot Tubs

$52.86

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Item Number: 22-7049

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  • Description
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Please read entire page before placing an order.

This is an OEM circuit board replacement for replacing Leisure Bay 53426 circuit boards having a Extension Relay chip number.
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:
  • 53426
  • BAL53426
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:
  • Extension Relay
Additional Cross Ref., 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 of 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.
Control System Box Serial Numbers
This is not required for cross reference verification.

This circuit board is found in the following hot tub control system boxes (but not limited to).

Control System Box Serial Numbers:;
  • 53352
  • 53352-01
  • 55352-02 (Leisure Bay LB501S) 53408
  • 53408-01
  • 53408-02 (Leisure Bay LB500S) 53408
  • 53408-01
  • 53408-02 (Leisure Bay LB500S1)

  • Part Number: 53426
  • Chip Number: Extension Relay

  • Manufactured by: Leisure Bay Hot Tubs
  • Item Number: 22-7049


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