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You open the hot water tap in your Pössl and only cold water comes out.

You open the hot water tap in your Pössl and only cold water comes out. In most cases, this is due to an interrupted power supply to the boiler, a faulty heating element, or a locked gas burner. So first check whether the boiler is set to the correct energy source (gas, 230V, or both) and whether the fuse or residual current device has tripped. For gas: check that gas is reaching the line and that the ignition is sparking. For 230V: measure whether the heating element still has resistance.
Pössl typically installs Truma Combi boilers (combined heating and hot water), and in some higher-end models, an Alde system. The diagnosis depends on the type and the energy source used.
A Pössl camper usually has a Truma Combi boiler, which can run on both gas and 230V. Some higher-end models are equipped with an Alde hot water system, which runs on gas and/or 230V, and sometimes a separate electric boiler. So the first step is: know which system you have. Consult your camper's documentation or look at the rating plate on the appliance.
The most common causes of no hot water are:
For a detailed explanation of boilers in campers, including specific test procedures for each power source, please visit our page camper boiler gives no hot water. There we explain how to measure gas pressure, test the element, and check the safety valve.
The cost depends greatly on the fault. A new heating element for a Truma Combi costs roughly between 100 and 200 euros, excluding installation. A new burner or ignition unit is in the same price range. A completely new Truma Combi boiler can cost up to 1500 to 2500 euros including fitting. With an Alde system, parts are often more expensive. Always have a diagnosis carried out by a certified camper technician before making large expenditures.
If the repair turns out to be too expensive or you are fed up with the hassle, selling is an option. We buy Pössl campers, even with a faulty boiler. Discover how to sell your Pössl and what the market value of your motorhome is, even in its current condition.
Frequently asked questions
Don't let a faulty boiler hold you back. We buy your Pössl, even with a non-working boiler. Request a free valuation today and find out what your camper is worth.
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