If you observe leaks even after reducing the temperature then it is likely that you have a faulty valve.
How to stop water heater from leaking.
Use a wrench to unscrew the valve from the tank and replace it with a new valve.
Monitor the valve for leaks.
In most cases the temperature pressure relief valve will allow this leak to happen.
What to do with a leaking water heater step 1.
Check the seals and pipes leading to the water heater for drippage.
Do not turn the water off at this time.
With the power shut off and the cold water inlet valve still on use a towel to dry the top of the water heater.
Have two wrenches when tightening the pipes.
Lift the little lever on the valve to discharge any remaining pressure.
Shut off the water heater shut off the water supply and drain some of the water from the tank.
If it s a gas water heater it will have a dial or an on off switch near the spot where the gas line connects.
If this is a gate style valve a wheel that turns turn the valve clockwise as far as you can.
After lowering the temperature turn on the water at the cold water inlet valve and power gas to your water heater.
If it s an electric water heater.
If you experience a leaking water heater it is recommended to turn off the water to your tank.
Unable to cope with the heat and the pressure the water heater will leak.
How do i diagnose a leaky water heater or my water heater s leaking where is it leaking from well i m going to go ahead and give you those tips.
Turn off the water.
You re supposed to flush your hot water heater regularly to remove sediment from the bottom of the tank.
The wrench will be placed in the opposite direction and force applied.
A very high temperature setting will also add to the pressure.
Monitor the valve for leaks.
Then place a paper towel along the top of the heater to help identify the leak.
Turn off the power to the leaking water heater.
Use teflon tape on the threads of the new valve before you screw it into the water heater.
As water heats up it expands and takes up more space inside the tank of the water heater.
But many homeowners don t do it until they hear rumbling from the tank.