If your valve is located on the top of your water heater like in the picture below check to see where it s leaking from.
Gas water heater leaking from top.
Then observe where the water starts to come from.
Here are a few other possible causes.
Under the right conditions rain drops can enter and come down the vent.
That metal vent on top of your gas water heater extends through your house to your roof.
If you suspect that you have a leak from the top turn off the power to your water heater.
Using paper towels wipe down the wet areas on the top of your water heater so it s dry.
If you have a gas hot water heater leaking from the top one possibility is related to rain.
What to do when you see water coming out of water heater s top 1.
From its base where it screws into the water heater from the piping attached to the t p relief valve and also coming out of the open end of the pipe.
Water heater is leaking from pressure relief valve.
Rain water when rain water travels down the flue vent pipe of a gas water heater it can collect on the top of your tank.
Most homes have a dedicated circuit breaker for an electric water heater and some were built with an easily accessible secondary shut off in the vicinity of the heater itself.
For a gas water heater turn the thermostat control to the off position.
If the water heater is dripping from the top then all you have to do is replace the pressure relief valve.
Once you identify that a leak is still currently happening immediately turn off the.
Rainwater can be blown in from outside.