It s designed to release the pressure when there is too much of a load built up inside the water heater.
Water heater pipe leaking outside.
To see it from one pipe is completely normal and means your drain line is not clogged and operating normally.
Pipe outside house leaking.
Check the plumbing pipes above the water heater using a stepladder if necessary.
If you have determined that this was the cause of your leakage simply reattach the fitting using a pipe wrench to prevent the leakage to expand.
So this release of its pressure causes your hot water tank overflow pipe dripping towards the floor where the hot water heater is placed.
There may be a lot of reasons hot water heater leaking.
They re a vital part of your home s plumbing system.
Water leaking from ac drain on the side of the house the most common water leak from a pipe outside your home is going to be from your central air conditioner s condensate drain line.
If the water in the tank or cistern fills up to a higher level than it should the excess water flows down the overflow pipe and runs outside rather than leaking into the room.
If the tank is leaking there must be internal leak of hot water heater.
If your water heater is older there is a high possibility that this is the cause of your problem.
Not valve from water heater.
This may sound like an easy solution but even a slightly loose pipe fitting can cause the heater to leak.
Improper sizing or an incorrectly installed drainage pan can all lead to water leaking from your air conditioner.
If the drain pipe is blocked it could cause water to leak from your ac.
Now the only reason these leak is from only a couple of things one it s gone bad second the temperature is set too high on the thermostat and over heating the water or last the thermostat is bad and also causing the water to over heat and expand.
An overflow pipe leads from a water storage tank or cistern inside your home to the outside.
A constant drip in your tpr valve is an indication we must know about.
I checked with my dad and he has no idea either.
Nobody installs an external drain unless there is a reason and if a valve is leaking somewhere and coming out that pipe fix the valve don t cap a drain.
Improper installation if your air conditioner is relatively new and leaks a lot of water it is most likely due to an installation issue.
Or may be leak in the drain pipes of the hot water system overflow pipe water heater running.