Find reliable Spa Controls for your hot tub or whirlpool project. This collection features top-quality control systems, topside panels, heaters, and essential accessories from trusted brands, designed to simplify installation and ongoing maintenance. Whether you’re building a spa from scratch or servicing an existing unit, you’ll discover components that deliver precise temperature management, robust protection, and easy diagnostics to keep baths enjoyable and safe.
Ideal for homeowners, technicians, and spa installers, the Spa Controls range supports 120/240V configurations and compatibility with popular control boxes and packs. You’ll find streamlined wiring, clear indicators, and durable construction that stand up to daily use. Elevate performance and reliability with parts you can trust, backed by a broad selection from Bath Parts.

![Balboa Circuit Board, Cal Spa 6300DV Series [ELE09100236] Spa Parts Cal_Spa_6300DV_Series_Circuit_Board_ELE09100236](http://bathparts.com/cdn/shop/products/Cal_Spa_6300DV_Series_Circuit_Board_ELE09100236.jpg?v=1769976169&width=700)
![Balboa Topside 50' Extension Cable, BP Series [4 Pin Molex] [25662-50] Spa Controls 25662-25](http://bathparts.com/cdn/shop/products/25662-25.jpg?v=1769976170&width=1600)
![Balboa Topside 50' Extension Cable, BP Series [4 Pin Molex] [25662-50] Spa Controls Balboa_BP_Series_25_Spaside_WiFi_Extension_Cable_30-25662-25](http://bathparts.com/cdn/shop/files/Balboa_BP_Series_25_Spaside_WiFi_Extension_Cable_30-25662-25.webp?v=1769976170&width=1200)

![Balboa BP7 4.0kW Retrofit Kit VS520DZ S [240v] [Topside TP600] (56016-01) [G6406] Spa Parts: Spa Control Systems (Balboa) G6406_grande_29fbd731-da2d-4e60-92f3-36de8e4913b9](http://bathparts.com/cdn/shop/files/G6406_grande_29fbd731-da2d-4e60-92f3-36de8e4913b9.jpg?v=1769976125&width=600)

![Balboa Circuit Board, VS523DZ, Serial Deluxe Digital, [55856-01] Spa Parts 55856-01](http://bathparts.com/cdn/shop/products/55856-01.jpg?v=1769976169&width=700)

![Balboa BP7 5.5kW Retrofit Kit [VS511SZ] [120/240V] (54384) (51-G6505) Spa Parts: Spa Control Systems (Balboa) g6405](http://bathparts.com/cdn/shop/products/g6405.jpg?v=1769976128&width=600)
![Balboa, BP7 4.0kW Retrofit Kit [240v] TP500 Topside (51-G6405) Spa Parts: Spa Control System Parts (Balboa Retrofit Kits) 58-138-3255_6-DIAGRAM__XL_85817b39-60bc-4053-a5b5-88957f18e37e](http://bathparts.com/cdn/shop/products/58-138-3255_6-DIAGRAM__XL_85817b39-60bc-4053-a5b5-88957f18e37e.jpg?v=1769976125&width=1600)
![Balboa Circuit Board, Keys 211D, VS510SZ (53753R1A) [54372-01] Spa Parts: Spa Circuit Boards (Balboa) 54378](http://bathparts.com/cdn/shop/products/54378.jpg?v=1769976124&width=700)


![Balboa M7 4.0kW Flo-Thru Spa Heater [2" x 15"] [240v] (58031) Spa Parts: Spa Heaters (Balboa Spa Heaters) G7415_e1c72cec-feb5-41d7-a54e-b5f3bd2d28f2](http://bathparts.com/cdn/shop/products/G7415_e1c72cec-feb5-41d7-a54e-b5f3bd2d28f2.jpg?v=1769976164&width=2000)
![Balboa M7 4.0kW Flo-Thru Spa Heater [Coleman / Maax] [2" x 15"] [240v] [106957] 55437 Spa Parts: Spa Heaters (Balboa Spa Heaters) 58083_Heater](http://bathparts.com/cdn/shop/products/58083_Heater.jpg?v=1769976081&width=800)


![Hydro-Quip Water Pro BP7 [4.0kW] Retro-fit Kit SpaTouch Mini Panel [50-BP7-STM-55-K] Spa Parts: Spa Control Systems (hydro-quip) 50-BP7-STM-55-K](http://bathparts.com/cdn/shop/files/50-BP7-STM-55-K.webp?v=1779914068&width=987)
![Balboa M7 4.0kW Flo-Thru Spa Heater Titanium [230V] [2" x 15"] 58104 Spa Parts: Spa Heaters (Balboa Spa Heaters) 26-0071-DS-7S-K](http://bathparts.com/cdn/shop/files/26-0071-DS-7S-K.jpg?v=1776096691&width=1600)
![Balboa M7 4.0kW Flo-Thru Spa Heater Titanium [230V] [2" x 15"] 58104 Spa Parts: Spa Heaters (Balboa Spa Heaters) 26-0071-DS-5T-K](http://bathparts.com/cdn/shop/files/26-0071-DS-5T-K.webp?v=1778113810&width=1200)




![Hydro-Quip Water Pro BP7 [4.0kW] Retro-fit Kit Low-Flow SpaTouch Mini Panel [50-BP7-STM-40-C] Spa Parts: Spa Control Systems (hydro-quip) 50-BP7-STM-40-C](http://bathparts.com/cdn/shop/files/50-BP7-STM-40-C.webp?v=1769976161&width=1200)
![WaterPro2 50mg 115/230 Volt Ozone with Amp Plug [34-2922-AMP-CV] OEM Spa Parts 34-2922-AMP-CV](http://bathparts.com/cdn/shop/files/34-2922-AMP-CV.webp?v=1769976109&width=1000)
![Balboa Ultrazone, Ozone Generator, [120v] (59087) Spa Parts 42-138-1010_XL](http://bathparts.com/cdn/shop/products/42-138-1010_XL.jpg?v=1769976085&width=1600)
![Balboa Ultrazone, Ozone Generator, [120v] (59087) Spa Parts 42-138-1010_4-PARTS__XL](http://bathparts.com/cdn/shop/products/42-138-1010_4-PARTS__XL.jpg?v=1769976085&width=1600)