53426 Balboa ® Board, Expansion, (X-O3), VS511 / 511SZ / EL Series

3426 Balboa ® Board, Expansion, (X-O3), VS511 / 511SZ / EL Series Balboa ® Circuit Board, 2  output auxiliary Expander, Elite  Series VS511/511SZ, 2-Speed Pump, Less AMP Cable. Features: Chip: VS511 Production Specifications: 2-Speed Pump Connector: Plug Molex Style Size:  3.125 " x 1.625 " 1 Relay Compatible:  33-0029D-K,  55151-01 Replaces:  53913 SKU: 53426MPN: 53426Model / Series: Elite  UPC: 637509177393Manufacturer: Balboa Water Group ®Warranty by manufacturer Circuit boards are not "plug and play - they will require correct component voltage set-up and dipswitch configuration. Please follow the wiring schematics on the back side of the spa pack cover. Do not buy a circuit board based on appearance, as many boards look the same and manufacturers can change board appearance. Refer to this tech tip before buying a replacement board What to Look for When Buying a Circuit Board €“ Spa Parts Experts -----------------------------------Shop this and more spa parts at the best price