If neither of these factors are properly addressed then the tankless water heater might not be able to meet the demand being placed on it and will fail to work as its computer system will be overloaded.
Rv tankless hot water heater temperature fluctuation.
Unfortunately they may be prone to temperature fluctuations which are caused by cold water slipping through the system when the heater is switching modes.
If your model features a standing pilot the pilot light will not turn off only the gas burner.
This is a very unpleasant situation for the users especially when taking a shower.
The temperature fluctuation also known as cold water sandwich refers to a situation when delivered water from a tankless water heater is hot for the first few minutes then it changes to cold and back to warm hot again.
If your water temperature reaches a certain threshold temperature lever your water heater will stop heating.
Unfortunately a broken thermostat usually isn t the cause of fluctuating water temperatures.
Gary bunzer the rv doctor shows you how to get complete control over the temperature of the water delivered to the hot faucets in a motorhome.
Many rvers complain that the water is too hot.
More common problems are faulty temperature regulators.
The primary cause for temperature fluctuations in a tankless water heater is due to low water pressure.
Instead they create hot water on demand.
Another problem that tankless water heaters can run into is that of a cold water sandwich a plumbing term given to sudden temperature fluctuations when your tankless water heater produces hot and cold water intermittently.
If the water flow in your tankless water heater is too low and dips below the flow activation rate the main gas burner will turn itself off.
In all cases tankless water heaters must be property vented.
These water heaters don t store water for use.