DB
Spa Control Systems
ADDRESS
8126 Lankershim Blvd
Unit 23
North Hollywood, CA 91605
CONTACT
e: contact@dbsparepair.com
f: (818) 900-7126
RetrO
The RetrO-HS is our aftermarket replacement solution for Hot Springs Spas control systems, specifically designed to fit models manufactured from 2001 onward. It
matches the original control footprint and supports both standard 115V setups and the unique 5–6 wire configurations commonly found in Hot Springs installations.
The system allows for basic operation of Hot Springs configurations that include two single-speed pumps and a circulation pump, maintaining core functionality.
Built with our indirect contactor design, the RetrO-HS supports 6.0kW double-barrel heaters, offering safer operation and long-term durability—making it a
dependable upgrade for aging OEM systems.
Model
Voltage
Max Heater kW
Pump One
Pump Two / Blower
Circulation Pump
O-zone
Light
RetrO-HS
Amps
16A/ 24A /41A
115v/230v
6.0kW
(or smaller)
1 or 2 Speed
115v/230v
Max Amps: 16A
1 Speed Only
115v/230v
Max Amps: 16A
115v/230v
Max Amps: 5A
(Optional)
115v/230v
12v
2A max
Compatible Topside Controls
The following topside controls are compatible with the EVO-Plus control system, allowing you to choose the ideal fit and functionality for your spa setup.
Specs
DB
Spa Control Systems
ADDRESS
8216 Lankershim Blvd
Unit 23
North Hollywood, CA 91605
CONTACT
e: contact@dbsparepair.com
RetrO
The RetrO-HS is our aftermarket replacement solution for
Hot Springs Spas control systems, specifically designed to
fit models manufactured from 2001 onward. It matches
the original control footprint and supports both standard
115V setups and the unique 5–6 wire configurations
commonly found in Hot Springs installations. The system
allows for basic operation of Hot Springs configurations
that include two single-speed pumps and a circulation
pump, maintaining core functionality. Built with our
indirect contactor design, the RetrO-HS supports 6.0kW
double-barrel heaters, offering safer operation and long-
term durability—making it a dependable upgrade for
aging OEM systems.
Model
Voltage
RetrO-HS
Amps
16A/ 21A /41A
115v/230v
Key Features and Benefits
Compatible Topside
Controls
The following topside controls are compatible with the EVO-
Plus control system, allowing you to choose the ideal fit and
functionality for your spa setup.
ET-100 SERIES
The ET-100 is our most compact topside, ideal for spas with limited space. It’s designed to fit where the larger ET-300 cannot—without sacrificing functionality or control. Surface Size: 4.5”x 2”ET-500 SERIES
The ET-500 is our largest topside, featuring a sleek LCD display for a modern, clean look. It’s fully compatible with all EVO-toucH control systems. Surface Size: 9”x 3.5”ET-300 SERIES
The ET-300 is our standard topside, perfectly sized to fit most hot tubs. It features a straightforward LED display and is compatible with all EVO-toucH control systems—except the EVO-Max, which requires the ET-500. Surface Size: 6.5”x 3”
Specs
Max Heater
kW
Pump One
Pump Two / Blower
6.0kW
(or smaller)
1 or 2 Speed
115v/230v
Max Amps: 16A
1 Speed Only
115v/230v
Max Amps: 16A
Circulation Pump
O-zone
Light
115v/230v
Max Amps: 5A
(Optional)
115v/230v
12v
2A max
