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Add to Cart The item has been addedBalboa VS501 Series Circuit Board VS501ZR2(x) 54357-01
MSRP: $499.99$400.97 -
Add to Cart The item has been addedFuse Holder Assembly, SC-20, 20A, Panel Mount
MSRP: $55.97$45.97 -
Add to Cart The item has been addedTopside, Balboa, E4, Mini Oval, Jet, Temp, Light, VL-200
MSRP: $289.99$220.97 -
Add to Cart The item has been addedTopside Extension Cable, Balboa, 3ft, 8 PIn Conductor, Male to Female
MSRP: $39.99$33.97 -
Add to Cart The item has been addedTopside, Balboa, E4, Mini Oval, Jets, Light, Cool, Warm, Eco-200, VL-200
MSRP: $277.99$225.97 -
Add to Cart The item has been addedE4, Rectangle, Overlay, Balboa, Topside, 4 Buttons, Blower, Jet, Temp, Light
MSRP: $32.99$28.97 -
NLA Topside, Gecko, TSC-35 or K-35, P1, P2, Bl, Lt, Large Rectangle
MSRP: $349.99$281.97 -
Add to Cart The item has been addedControl Pack or Board Terminal Block 3 Position Repair
MSRP: $43.99$34.97 -
Add to Cart The item has been addedLa Spa Gecko Topside Control Panel K-72 Overlay Only 5 or 6 Button Skewed Style
MSRP: $84.99$65.97 -
Add to Cart The item has been added -
Add to Cart The item has been addedCal Spa, Peanut, 6000, 6100, 4 Button, Topside, Phone Plug, Temp, Light, Jet, Option
MSRP: $399.99$330.97 -
NLA Topside Hotspring Solana Watkins 71898 4 Button Oval
MSRP: $299.99$225.97
Control Systems & Electronics
Control systems and electronics are the brain of your hot tub, managing everything from water temperature and jet activation to lighting and error diagnostics. This section covers control packs, topside panels, sensors, switches, and individual electrical components for major brands including Balboa, Gecko, and ACC. When your spa's electronics malfunction, Spa Guy Parts has the replacement parts to bring your system back online. Explore our full electronics catalog and enjoy free shipping over $75.