• Gecko IN.THERM 3.8kW Remote Heater for hot tub
1 2

Gecko

Gecko IN.THERM 3.8kW Remote Heater | Hot Tub

Gecko IN.THERM 3.8kW Remote Heater | Hot Tub

£523.58 GBP
£726.99 GBP £523.58 GBP
Sale Sold out
Shipping calculated at checkout.
Only 12 left in stock — order soon
12 people are viewing this right now
Order within for dispatch today

🔄 Free Returns – 30-Day Window (Sale Items Final)

🥇 All Products Comprehensive Warranty

🔒 Secure Checkout – SSL Encrypted

💳 0% Finance Available*

We accept:
American Express Apple Pay Diners Club Discover Google Pay Maestro Mastercard Shop Pay Union Pay Visa
View full details

Keep your spa's heating system running reliably with the genuine Gecko IN.THERM 3.8kW Remote Heater, purpose-built for Gecko IN.XM control systems. This self-contained unit includes built-in temperature and hi-limit sensors plus integrated flow detection, so you get accurate, safe heating without needing a separate external pressure switch.

  • 3.8kW heating output for reliable spa water temperature control
  • Built-in temperature and hi-limit sensors
  • Integrated flow detection — no external pressure switch needed
  • 2-inch male threads, compatible with standard union sleeves and collars
  • Compatible System: Gecko IN.XM
  • Minimum Flow Rate: 18 GPM
  • Connection: 2" male threads

1 x Gecko IN.THERM 3.8kW Remote Heater Assembly

A genuine Gecko heater assembly ensures correct sensor calibration and safe integration with your IN.XM control system, avoiding the fault codes and premature failure that come with mismatched aftermarket parts. Backed by our quality guarantee.

Frequently Asked Questions

How is my sauna or hot tub delivered?

We offer kerbside delivery across the UK and selected European countries. Our team will contact you to arrange a suitable delivery window. Lead times vary by product — typically 2–6 weeks. Please ensure suitable access for large items.

Do I need a professional to install my sauna pod or hot tub?

Most of our sauna pods and hot tubs are designed for straightforward self-installation with the included instructions. However, electrical connections must be carried out by a qualified electrician. We recommend consulting a professional for any groundwork or decking.

What warranty is included?

All products come with a minimum 2-year manufacturer's warranty covering structural defects and components. Extended warranty options are available — contact us for details.

Can I use my hot tub or sauna year-round in the UK?

Yes. Our products are designed for year-round outdoor use in the UK climate. Thermowood and spruce models are treated for weather resistance, and our hot tubs maintain temperature efficiently even in winter.

Worldwide Delivery Anywhere

Genuine Brand Products

Price Match Guaranteed

Free Consultations Available