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Add to Cart The item has been addedReplacement, Diffuser, Waterway, Cluster Storm, 2" Face Diameter, Jet, White
MSRP: $11.99$9.97 -
Add to Cart The item has been addedRelay, Zettler, T-90 Type, SPST, 15vdc, Coil, Balboa Board
MSRP: $22.99$16.97 -
Add to Cart The item has been addedDiffuser, Poly Storm, Jet, Repair, 3 3/8" to 4", Face Width, Waterway, Back
MSRP: $13.99$12.97 -
Add to Cart The item has been addedDiffuser, Waterway, Mini Storm, fits 3-3 5/16" Face Waterway Jets only
MSRP: $14.99$12.97 -
Add to Cart The item has been addedRelay, Generic, T-90 Type, SPST, 24vdc, Coil, AZ2110 Style
MSRP: $21.99$17.97 -
Add to Cart The item has been addedBuss Fuse 20A SC 20 Amp
MSRP: $11.17$8.97 -
Add to Cart The item has been addedPentair Spa Jet Diffuser Cyclone Luxury Hot Tub 3.5 to 4.10" Part
MSRP: $12.99$10.97 -
Add to Cart The item has been addedSlo Blo Fuse Ceramic 30A MDA 1/4" x 1 1/4"
MSRP: $5.37$4.97 -
Add to Cart The item has been addedWaterway, Power Storm, Jet, Back, Part, 5", Repair, Diffuser, How To Video
MSRP: $17.99$15.97
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.