Where is hot water heater shut off valve?
Chloe Ramirez
Updated on April 06, 2026
Where is hot water heater shut off valve?
Twist the handle on the water supply shut off valve clockwise until it stops. This valve is typically located on top of the water heater, on the right side cold line.
How do I turn off my hot water supply?
Water Heater Shutdown Instructions:
- TURN OFF WATER SUPPLY. Turn the handle on the water valve CLOCKWISE until it stops.
- DRAIN WATER HEATER. Attach a hose to the drain valve at the bottom of the tank.
- OPEN THE RELIEF VALVE. Flip handle so it is sticking straight out or up.
How do I turn off my hot and cold water supply?
For sink faucets, look for the shutoff valves located below the sink, near where the water supply tubes run up to the tailpieces on the faucet. Any faucet that supplies both hot and cold water will have two valves—one for the hot water supply and one for the cold.
Is there a stopcock for hot water?
If you have a combi boiler, you can turn off the hot water by turning off the mains stopcock. You can usually find the mains stopcock in the vicinity of the kitchen sink. It may be in the cupboard under the sink, or it may be on an adjacent pipe.
How to turn off hot water supply to enable fitting of tap?
Turn this off and open the hot taps downstairs and upstairs to drain residual water out. If a combi either turn off cold mains as in changing the cold tap, or turn off the cold inlet to the combi boiler, usually a valve under the boiler. Turn the valve as above, you only need to turn the tape that you want to change the washer on .
How do I Turn Off the hot water in my washer?
You will find a 22mm pipe running down through the ceiling and entering the bottom of the cylinder. This is the cold feed to the cylinder. At some point along this pipe there should be a gate valve. Isolate the valve and open the hot tap the water will run for a short while then stop, allowing you to change the washer.
What happens when you turn off the hot water supply?
If a combi either turn off cold mains as in changing the cold tap, or turn off the cold inlet to the combi boiler, usually a valve under the boiler. If you have a combi boiler then isolating the cold feed into the boiler will stop DHW at the taps allowing yu to change the washer.
What to do if your hot water is not working?
One popular method to fix this is to attach a hosepipe to a working tap e.g. your cold water tap, and then connect it to your hot tap. Turn the broken tap on first, fully open, and then turn on the working tag all the way up.
Where is the shut off valve on a hot water heater?
Turning the Water off at the Water Heater When a hot water pipe is leaking, or if you need to repair or replace a water heater, there are shut-off valves located near your water heater. A water heater has two shut-off valves. A cold water inlet valve (often identified by a blue handle) feeds cold water from the main supply into the water heater.
Where is the hot water valve on a clothes washer?
For clothes washers, there is most often a water supply valve controlling the hot water inlet hose and another controlling the cold water. These may be located on a utility sink if your laundry has one, sometimes in a recessed water supply valve box set into the wall near the washing machine.
How can I Turn Off my hot water heater?
The hot water outlet pipe has a shutoff valve that will turn off all the hot water leaving the heater. If you have a leak in any of the hot water pipes in your home, you should turn this valve off as it controls all the hot water in your home.
Is it time to repair the shut off valve on my washing machine?
Shutoff valves for the hot and cold water supply to a washing machine can develop leaks over time. If you notice water drips on the wall or floor, it’s time to repair one or both valves.