But some gas units do require electricity you will notice a power cord running from your tank into an outlet then just like the electrical models your tank will stop working.
Do tankless water heaters work without electricity.
So regardless of the type of tankless water heater you have you ll be out of hot water in the event of a power outage.
If your water heater model uses a continuous gas pilot light then it should work throughout the power outage.
Gas tank water heater.
Gas either propane or natural gas and electric.
An electric tankless water heater only works on demand if the heater is installed close to the faucet that you are using.
So even a tankless gas water heater will not work independently in a power outage.
Even natural gas and propane powered tankless water heaters need an electrical supply to function as they depend on a digital remote or pc board to sense the flow rate of the water.
No a tankless gas water heater still requires some electricity to operate.
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.
The easiest way to assess this is to check the water heater to see if it is connected to a power outlet.
Tankless water heaters can be powered by gas or electricity but even gas powered tankless water heaters rely on an electric control panel to operate the system.
Tankless water heaters do not work without electricity.
Most traditional tank systems also need electricity.
As a result tankless water heaters deliver a constant supply of hot water.
There are two main types of tankless water heaters.
Other water heaters solar fuel oil heat coil indirect whether or not your water heater will work during a power outage depends on whether it relies on mains electricity or not.
Tankless water heaters heat water directly without the use of a storage tank.
Another concern is that an electric tankless water heater needs a water flow rate of 5 gallons to 2 gallons per minute to heat water so your faucet has to be turned on high to produce hot water.
Tankless gas water heaters have an internal pc board electronic ignition and an electronic thermostat which is required to operate the water heater.
When a hot water tap is turned on cold water travels through a pipe into the unit.
Without a power source these components will not operate preventing the tankless water heater from producing hot water.
The short answer is yes a gas tankless water heater needs electricity to work.
Either a gas burner or an electric element heats the water.