It can be confusing at times, which option to go for and it all comes down to personal choice as well as any limitations you may have at your location. This is a short summary on the pros and cons of each option as well as some advice. We hope this helps.
The key differences between 13 amp and 32 amp hot tubs primarily relate to power, performance, and installation requirements. Here’s a clear comparison of their benefits:
13 Amp Hot Tubs (“Plug and Play”)
Benefits:
- ✅ Easier Installation: Can be plugged into a standard UK 3-pin socket—no electrician required (in many cases).
- ✅ Lower Installation Cost: No need for expensive electrical upgrades.
- ✅ More Portable: Easier to move or relocate.
- ✅ Ideal for Occasional Use: Suitable for light or seasonal use, like in holiday lets or small households.
Limitations:
- 🔻 May only run heater or jets, not both simultaneously.
- 🔻 Takes longer to heat up, especially in cold weather.
- 🔻 Usually smaller, fewer jets, and lower pump power.
32 Amp Hot Tubs (“Hard Wired”)
Benefits:
- ✅ Better Performance: Can run heater and multiple pumps at the same time—more jets, stronger massage.
- ✅ Faster Heating: More powerful heaters warm water quickly.
- ✅ Consistent Temperature: Maintains heat better during use.
- ✅ More Features: Often includes extras like waterfalls, lights, and ozone systems.
Limitations:
- 🔻 Higher Installation Cost: Requires a qualified electrician and dedicated circuit.
- 🔻 Less Portable: Hardwired and not easily relocated.
Summary
| Feature | 13 Amp | 32 Amp |
|---|---|---|
| Installation | Simple, plug-in | Requires electrician |
| Running Costs | Lower upfront, less efficient | Higher upfront, more efficient |
| Power/Performance | Basic jets, limited heating | Full performance, all features |
| Use Case | Light, seasonal use | Frequent, year-round use |
Choose a 13 amp if you want an affordable, easy-to-set-up tub for occasional use. Choose a 32 amp if you want full spa performance and plan to use it regularly.
Images below to show examples of 13 amp Outdoor Socket vs 32 amp Hook Up Socket
See post on benefits of buying used here