How do you choose the control system you need for your spa or hot tub?

Fig. 1: Spa and hot tub control system GFCI protection

Identify the circuit that will power the spa control system. 

Determine if the circuit is 115v, 230v (with a neutral), or 230v (without a neutral). (Fig.1)

Fig. 2: Spa and hot tub high-flow pump and heater

High flow or low flow spa packs?

Identify the type of system you need High Flow (Fig.2) or Low Flow. (Fig.3)

Fig. 3: Spa and hot tub low-flow pump and heater

Hot tub equipment and components to control.

Identify the equipment the spa pack needs to control

Fig. 4: Spa and hot tub heater specification label

Control system electrical requirements.

Identify the type, voltage and wattage of the existing heater. (Fig.4)

Fig. 5: Spa and hot tub pump information & cord type

Know your spa or hot tub pumps.

Be sure to note the specifics of the pumps of your spa. Identify how many speeds, the voltage, and what type of cord you currently have. (Fig.5)

Fig. 6: Spa and hot tub blower information & cord type

Know your spa or hot tub blower (if any).

Identify and take note of any air blower (if present). Note the speed (most are single speed, but not all), voltage, and cord connection. (Fig.6)

Type of component cord connectors of you spa control system

When choosing the new system, be mindful of the style of component cord connectors that are attached to your existing system components. You may need to change the cords on all pumps and blowers to be compatible with your new system.

Many bundled systems will include them, but not all. Be sure to check for this when choosing.

Fig. 7: Certain lighting cannot be controlled by just any retrofit systems

Is your spa equipped with a ligthing system?

Take note of any lighting. Certain brands of hot tubs will have special lighting that a regular retrofit control pack cannot control. If in doubt, contact our Spa Parts ProShop technicians or a capable repair technician. (Fig.7)

Fig. 8: Identify your ozone generators & sanitizer systems.

Is your spa equipped with a sanitization system? 

Identify any Ozone, Ultra Violet, or other type of sanitation system in the spa. Take down model numbers, voltages, cord type, etc. (Fig.8)

Fig. 9: Measure your existing spa or hot tub keypad.

Mesure your spa keypad or topside.

Measure the keypad that you use to control the spa. (Fig.9) When choosing a new system, match the dimensions of your existing keypads. Failure to consider this could cause installation problems later.

Fig. 10: Stand-alone spa audio system (not controlled from hot tub keypad).