Check for gas or electrical supply issues.
Truma water heater not working on gas.
A comfortable water temperature at the faucet or shower is achieved by mixing with cold water.
The problem is reduced if the temperature constant.
More often than not hot water systems stop working because of a fault in the gas or power supply.
1 855 558 7862 fax.
The burner switches off automatically when the faucet is closed to conserve lp gas.
My model has settings at 500w 1kw and 2kw.
Apparently the manufacturers know the problem and are endeavoring to fix it.
A heavier gauge metal is being tested as well as a better pressure reduction mechanism.
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.
If they seem to be malfunctioning as well check the main regulator pressure.
If your hws runs on gas your other gas powered appliances can give you a clue as to whether gas is reaching your system.
The problem is expansion when hot and contraction when cold of the water cylinder.
The truma aquago basic does not have frost protection and should not be used or filled with water when there is a danger of freezing.