54638 Balboa® Circuit Board VS504SZ (replaces MVS504SZ)



SKU: 54638

MPN: 54638-01

Model: VS504SZ

UPC: 605380994309

Manufacturer: Balboa Water Group

Warranty: 1 yr. with manufacturer

Balboa® Circuit Board is compatible with the Balboa VL700S and VL701S Topside Panels (with correct Button Layout), VX20 and VX40S Aux Topside Panels.


  • Chip: VS504SZR1

Product specifications:

  • Control: Pump 1: 2-Speed, Pump 2: 1-Speed, Ozone, A/V,
  • Cable: Phone Style
  • Size: 7.4″ x 13″ x 3.25″

*All circuit boards will require correct board voltage install, and component voltage set-up by moving the component wires on the board, in addition to setting dipswitches correctly. Some configuration on the topside may also be required. Please reference the wiring schematics*

Compatible replacement option for: 55372, 55370-01 (Control System*), 33-0612-08CB (Artesian*), 54637-01 (System model VSP-VS504SZ-DCAH), 55636 (CS504SZ System*), 55637 (CS504SZER1X*), 55257,33-54638-K, 55174, 55173-01, Coleman 107-961, 107961, 107-068, 107068 (Control System)

Alternates: 55637 (Balboa), OP33-0612-08CB (Artesian), 107-961 (Coleman), 3-60-6033

Replaces: VS514SZR1A and MVS504SZ.

Note: *Only compatible with the 6-button configuration of this panel.


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