Yes, if the water is off, it means there is no water flow, so a tankless heater will not run.

How to turn off hot water heater water supply. The water heater’s thermostat is positioned near the bottom of the appliance. With running water, you can use. Turn off the water heater valve.

If you plan to close the water supply for a longer period of time, it can be a great idea to turn off the water heater as the tank can run out of water and this can cause some problems.this is. To turn off cold water supply to the water heater you will need to turn the valve on the cold. To do this, first turn on.

There are a few different settings you need to make sure are in the right place before you can begin. Look at all components of the tap and see which valves are connected to the hoses. Shut it off, shut off cold water supply into the heater (to stop feeding the leak).

If you have a combi boiler. If you accidentally drain the tank (by running the 'hot' water somewhere in the house) while the. Turn the handle on the water valve in a.

Check the front of the tank, and you will notice a red or black button. How to locate the valve, which valve to turn and how to turn it bac. If you need to make repairs to your hot water heater or have found a leak along the hot water line, this is what you’ll want to find.

Turn off hot water supply at the water heater. There can be different valves for hot and cold water. As long as you don’t use the.