If you are lacking heat by searching the web i found that there are several problems that seem to afflict these heaters 1 relays not working.
Truma electric water heater not working.
Every time we turned it onto 230v it blew the trip switches so we used it just on gas for months.
The truma aquago instant water heater is connected between the vehicle s fresh water supply and its hot water system.
They warm the living area and heat water in the integrated stainless steel tank.
This allows you to wash your hands thoroughly wash dishes and even take a long shower at any time.
No i don t fix caravan heaters but to help you here is how i fixed mine.
The truma electric water heater heats the water in your caravan or motor home quickly and keeps it hot for a long time.
My model has settings at 500w 1kw and 2kw.
It seems as if it is not working because at 500w it takes a long time before you feel any heat at all but once the van is up to temperature perhaps on gas 500w should be ample to maintain temperature.
When the appliance is switched on the burner starts automatically as soon as the hot water faucet is opened and the flow of the water is greater than approximately 0 4 gallons per minute 1 5 l min.
Truma combi heaters truma combi heaters combine two functions in one appliance.
The truma electric boiler consumes.
If the relays are faulty this can reduce the power of the heater.
Depending on the model combi heaters can be used in gas electric diesel or mixed mode.
Truma corp 2800 harman dr elkhart in 46514 usa.
Heating and hot water in one.
The electric elements both went on our truma 4e when it was just 3 years old.
The most common failure mode results in the heater only working in the 500w position.
You could try this.
The high quality stainless steel container with extra large capacity makes this possible.