Truma Therme TT2 electric water heater image 1 Truma Therme TT2 electric water heater image 2 Truma Therme TT2 electric water heater image 3 Truma Therme TT2 electric water heater image 4 Truma Therme TT2 electric water heater image 5

Truma Therme TT2 electric water heater

£164.95(inc VAT) £249.99
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The Truma Therme TT2 electric water heater represents a pinnacle of engineering designed to fit seamlessly into the compact living spaces of caravans, campervans, and motorhomes. Its unique selling point lies in its dual-functionality; it not only leverages the warmth from the vehicle's blown air installation to heat water, thus conserving energy, but also includes a 300W electric heating element powered by a standard 230V mains supply. This feature allows for the heating of water using site electricity, providing flexibility and convenience for users. With a modest 5-litre capacity, the Therme TT2 ensures that hot water up to 65°C is readily available for essential tasks such as dishwashing or handwashing, making it an indispensable tool for travellers seeking the comforts of home while on the road.

Moreover, the Truma Therme TT2 water heater is designed with efficiency and user-friendliness in mind. It can function independently as an electric-only water heater in the absence of a blown air system, requiring only a 4-way electric splitter box for installation. This versatility is further enhanced by its compatibility with all standard submerged water pumps (up to 1.2 bar), ensuring easy integration into existing water systems within vehicles. The heater is equipped with a user-friendly control panel, a drain, and an aeration valve for straightforward operation and maintenance. However, it's crucial to note that the Truma T2 is specifically designed for microswitched systems and is not suitable for pressurised water systems, highlighting the importance of consulting the installation manual before setup.

In terms of technical specifications, the Truma Therme TT2 electric water heater boasts an efficient heating time, warming water from 15°C to 60°C in approximately 50 minutes. Its power consumption is remarkably low at 1.3a (300W), reflecting Truma's commitment to energy efficiency. The unit's compact dimensions (37 x 23 x 22cm) and lightweight design (2kg without water) make it an ideal solution for space-conscious vehicle owners. With an operating pressure of up to 1.2 bar and a temperature limit of 65°C, the TT2 combines performance, reliability, and convenience, ensuring that access to hot water is always within easy reach, regardless of the location or weather conditions.

The Truma Therme was designed for vehicles where space is at a premium. It uses the warm air from the blown air installation to convect warmth into the water.In addition it has a 300w electric heating element (230v) to enable the water to be heated using site electricity. If no blown air system exists, the Therme can also be installed on its own as an electric only water heater. A 4 way electric splitter box ECAC7210 or equivalent will be required for electrical connection.

Truma Therme TT2 Water Heater Ideal for caravans and motorhomes. This compact 5 litre water heater supplies hot water. The water is heated by the hot air generated from the vehicles heating ducting but also has its own additional 300w electric heater element which enables the water to be heated using site electricity. If no blown air system exists, the Therme can also be installed on its own as an electric only water heater.

Truma Therme TT2 electric water heater Features


  • Very small and compact and easy to install
  • Easy to operate electrical heating via simple on / off switch
  • Can be used with all common submersible pumps up to max. 1.2 bar
  • Heating time: From approx. 15°C to approx. 60°C: 50 min.
  • Electric heater element: 230 V ~ (300 Watt)
  • Temperature Limit: 65°C
  • Power Consumption : 1.3a (300W)
  • Length / Breadth / Height: 37 cm / 22 cm / 23 cm
  • Water capacity: 5 litres
  • Water pressure: max 1.2 bar
  • Weight: 2 kg (without water)

EAN-13 : 4052816014791

8 Customer Reviews on Truma Therme TT2 electric water heater

Great Product

by CJ Roberts (17 May 2023)
5 star review(5/5)
Replaced 2 of these due to cracking from the winter as customers did not drain down. Easy replacement, works well. Bit of waiting time for despatch but nothing out of the ordinary and good price too.

Truma TT2

by André (01 Sep 2021)
5 star review(5/5)
This is a very good product it works wonderfully I installed it in a caravan

TrumaTT2 Electric Heater

by Chris Seabridge (14 Jun 2021)
4 star review(4/5)
This heater was to replace an already fitted heater in my caravan that was leaking. I was after just the heater but could only find one that was complete with the on/off control. The price from this supplier was the best I could find after a quite a bit of searching. Although working as it should, I think that Truma are way overpriced. When you see the quality of the product. Still, they are the only ones to fit so we are a captive audience.

I Love Amazon.

by Jayne (23 Mar 2019)
5 star review(5/5)
Just what we needed and expected. Thanks Amazon again. Can't fault the service. 👍

Truma Therme TT2

by Nick (26 Jan 2019)
5 star review(5/5)
Bought to replace the one in our caravan. It will be fitted later in the year as caravan currently in Storage in Spain.

Five Stars

by Peter B. (06 Aug 2015)
5 star review(5/5)
Great very good.

Truma Therme TT2 Water Heater

by Mr McCarthy (08 Aug 2011)
4 star review(4/5)
For:- Easy to fit, wiring and pipework straight forward. Heats up quicker than the 50 minutes advertised.

Against:- All that stopped me giving 5 stars was the fact that all connections are10mm and tap fittings 12mm so every run has to have a reducer fitted.

4th Water Heater!

by Lunar owner (31 Jul 2011)
5 star review(5/5)
Just what we needed to replace the 3rd water heater in our caravan which had split & leaked.
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 30 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?

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