I live in an off grid home and over the years i ve had two propane fueled tankless water heaters that didn t require any electricity.
Water heater work without electricity.
If you have a standard tank style water heater the answer is yes.
The short answer is yes a gas tankless water heater needs electricity to work.
The major reason why this type of heater is recommended to be used is that it burns very clean.
There are two main types of tankless water heaters.
Tank type gas water heaters do not require electricity.
Cutt off the cold water supply to the tankless water heater.
This depends on your gas water heater type.
Furthermore it is one of the most efficient ways to heat a house without electricity.
I finally threw in the towel and bought a propane fueled rinnai water heater that needs to be plugged in to a 120 volt ac outlet.
Just be super careful about minimizing the risk of flareups asphyxiation and other everyday perils of fuel and flameage.
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.
Tankless electric water heater.
You ll need to install the flow switch on the cold water line coming into the water heater.
This piezoelectric starter makes a spark which ignites the natural gas to start heating the water you ll use to take your nice warm shower.
Even though the water heater uses natural gas as its primary fuel some models do indeed use electricity to get the pilot light burning.
From specially engineered solar cooker thermoses to patiently and safely using tealight candles for the purpose there are many other ways to heat water without electricity.
If your water heater model uses a continuous gas pilot light then it should work throughout the power outage.
Most traditional tank systems also need electricity.
Apply teflon tape on the threaded.
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.
Drain off the water supply by opening the water supply at a nearby sink.
Tankless water heaters do not work without electricity.
Gas either propane or natural gas and electric.
If you have an instant on type gas heater then almost certainly it will not work as an electrical supply is required for these types of heaters.
If your pilot light is fired up by your power source then you need to be on the grid.
If your gas water heater uses a continuous gas pilot light it is likely that your gas water heater will continue to function normally in the event of a power outage.
When my last one died i couldn t find a replacement on the market.
Gas water heaters don t use electricity as a fuel and many homeowners assume they will work in a power outage.