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GPM Spas 53913 Circuit Board, Extension Relay, Alt Replacement

  • Part Number: 53913
  • Chip Number: Extension Relay
  • Manufactured by: GPM Spas


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Item Number: 22-6679

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  • Description
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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:
  • Extension Relay
Serial numbers:
(a.k.a. part number)
  • 53913
  • BAL53913
Additional Cross Reference, Compatibility & Installation
This alternate replacement circuit board is fully compatible with the original system.

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.
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:;
  • 53724
  • 53724-01
  • 53724-02 (GPM Spas GVS511) 54373
  • 54373-01
  • 54373-02 (GPM GVS511) 55198 (GPM GVS511SZ)

  • Part Number: 53913
  • Chip Number: Extension Relay

  • Manufactured by: GPM Spas
  • Shipping Weight: 3lbs
  • Item Number: 22-6679

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