Propane or natural gas tankless water heaters that need no grid power are common in the developing world and many of those models are available in the us if you know where to look.
Tankless hot water heater no power.
While tankless water heaters run more efficiently than storage tank water heaters replacing a tank water heater with a tankless can be expensive and the payback time can be longer than the warranty.
Some gas powered systems may continue to operate depending upon how fuel is supplied to the unit.
The heating element is covered under warranty for a period of five years.
Hot water is not delivered instantly and other common tankless water heater problems are listed below.
Tankless hot water systems which operate on electrical power will not function if there is a loss of power at the home.
No a tankless gas water heater still requires some electricity to operate.
No water coming out although the tap was opened.
Most traditional tank systems also need electricity.
All other parts are covered under a one year warranty.
No hot water often related to the flame failure and no ignition water is too hot water is not hot enough.
Besides the filter could also be clogged by dust or unusual stuff from the water supply.
The short answer is yes a gas tankless water heater needs electricity to work.
The power valves could be shut off earlier.
There are two main types of tankless water heaters.
This list includes some of the more common problems that people have with tankless hot water heaters but it is not all inclusive if you don t see the tankless water heater problem you re having here or if you need technical support with your water heater please visit our help desk to schedule an appointment or call us at 866 356 1992.
So even a tankless gas water heater will not work independently in a power outage.
Tankless gas water heaters have an internal pc board electronic ignition and an electronic thermostat which is required to operate the water heater.
Without a power source these components will not operate preventing the tankless water heater from producing hot water.
If your pilot light is fired up by your power source then you need to be on the grid.
This is not usually what happened but if there is no water coming out then you should go check your pipe valves and water inlet filter.