Electric switch or turn the gas control valve to off 2 attach garden hose to the drain valve.
Water heater leaking from top vent.
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.
5 open drain valve.
Fortunately and to your relief sometimes when your water heater is leaking from the top it may not be because of a malfunctioning or defective part.
The water from the hot water heater overflow at the bottom of the tank.
1 connection that generates hot water 2 connection that generates cold water 3 connection that releases pressure.
Check the plumbing pipes above the water heater using a stepladder if necessary.
Look to see if the draft hood over the vent hole is centered and if the legs are straight and secured by screws this may depend on the design of the pipe.
One of the most common reasons your hot water heater may be leaking at the top could be due.
Check if there are any droplets of water on top or on the bottom of the water heater tank or inside the combustion chamber.
A water heater leaking from the top is preferable to one from the bottom.
Your pipe fittings are loose.
On the other hand water runs downhill so failure to fix the leak can lead to more serious problems including electrical shorts additional damage to the water heater and the possibility of water damage such as ruined carpeting or drywall.
Turn off the water supply to your water heater using a pipe cutting tool like this one for tight spaces cut the water pipe a couple inches below the lowest soldered.
Two places it may be leaking from include.
4 shut off water inlet to hot water heater.
Another reason your hot water heater may be leaking at the top could be because.
It is used to drain tank of water in order to plumbing or maintenance.
6 open the pressure relief on the top vent and cycle several times.
Here are a few other possible causes.
Leaks from the top of the water heater are usually caused by one of the three connections at the top as shown in the diagram below.
3 run garden hose to a safe place to dump hot water.
A drip from above can easily leak down on top of the water heater and even work its way down the insulation and make it look like the leak is coming from the tank itself.
If your hot water heater is leaking from the top follow these tips faulty water inlet valves.
Drain your tank just slightly so you don t get any overflow as you remove the parts your replacing along with pulling.
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.
The first place to check is the plumbing pipes above the water heater.
The drain valve may get leak sometime when handle hit on drain valve it become leak.