Leaking may be cause by the old pipes or by the water heater overflow pipe of hot water heater pipe leaking.
Water dripping from water heater flue pipe.
But for this article we will concentrate on the leaks that come from a water heater s overflow pipe also known as the discharge pipe including its causes and how they are usually fixed by a plumber.
If the draft hood is damaged replace it with a new one of the same size.
Bottom leaks on a water heater may also come from the t p valve and the water tank as well as the drain valve and the heater element gasket.
Jimmy fix it dec 10 15 at 6 22.
A flue pipe with dripping water could have to do with rainwater entering so replace the flue cap on the roof.
Occasionally the water vapor from the gas combustion causes condensation within the pipe but this is a small problem that is rarely noticed.
Or may be leak in the drain pipes of the hot water system overflow pipe water heater running.
Although water dripping down the flue can be caused by a missing or damaged rain cap at the roof it is more likely that the wetness is caused by condensation of combustion gases on the interior surface of the flue.
And water to leak slowly from the water heater overflow pipe gushing pipes and overflow at the bottom of the tank.
You may see it puddled on top of the water heater or under it.
Make sure to center the draft hood over the vent hole properly straighten it and tighten it up or replace the screws if needed.
The best way to find a leak is to go into the attic or roof space when it rains and see where the leak comes from.