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Replacement Balboa Circuit Board, Model VS504SZ, Chip VS504SZR1B. OEM Part Number 54638-01.
SpaGuts P/N: 10-175-4638
Features: Pump 1 2-Speed, Pump 2 1-Speed, 12V Light, Ozone and A/V Circuits (No Perimeter Light Circuits).
This circuit board is compatible with the Balboa VL700S and VL701S Topside Panels (with correct Button Layout), VX20 and VX40S Aux Topside Panels.
This board is also the replacement option for the following part numbers: Coleman 107-961, 107961, 107-068 or 107068 (Control System), 55370-01 (Control System), 55372, 33-0612-08CB, OP33-0612-08CB (Artesian), Chip MX504SZ, Chip VS504SZR1A, 54637-01 (System Model VSP-VS504SZ-DCAH), 55636 (CS504SZ System), 55637 (CS504SZER1X), 55257 Sytem or 55258 Board (MX504SZR1A; Confirm Topside Panel Compatibility), 33-54638-K, 55174 (Atesian Spa MVS504SZ), 55173-01 (Atesian Spa MVS504SZ), 56532 (Control Box Only)
This item comes with a one year limited warranty.
When selecting your spa circuit board, it’s critical that you go by part numbers and NOT just by appearances. The part number on a spa circuit board can be found on a white sticker located directly on the circuit board (The ID label may be located on the board relays or on the transformer). Buy based on this part number. Do NOT purchase a hot tub circuit board just because it looks the same OR have the same Model Number as the one you’re replacing. Spa circuit boards can look identical, but be programmed differently to work with different spa controllers and topside panels. NOTE that most circuit boards need to be configured in the field to work with the existing spa components and power ratings, and a licensed professional is recommended for installation and configurations. If this circuit board is being used as an optional replacement for the original circuit board, please follow the new circuit board wiring diagram for proper installation and configuration setup. Replacement spa circuit boards are shipped in clear sealed bags with Yellow Warning Label. Verify through the clear sealed bag that the correct circuit board was received prior to opening the bag. Sealed bags that are opened voids the return policy for spa circuit boards.