All water heaters have a drain near the bottom of the unit so that the tank can be emptied before removal or during routine cleaning of the tank itself.
Why is my water heater leaking.
When you see water coming out from the water heater release valve there are two most likely causes.
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.
Water heaters can leak due to a number of problems including loose valves excessive pressure in the tank or issues with the pipes that connect to the unit.
The bottom of the water tank.
As discussed above when sediment builds up in the bottom of a water tank for years and years it will eventually corrode through the bottom of the tank and begin to leak.
Lastly the most common cause of a leaking water tank.
Do not attempt to disassemble your water heater and perform internal repairs.
This could be caused by either a faulty valve or a high pressure situation in the water heater.
Well it means that your water heater has dangerously high pressure inside the tank.
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.
A leaking drain valve can be identified by moisture or water dripping either out of the drain opening or around the valve itself.
The relief valve is working the way it s intended and water drained to reduce the pressure inside the tank.
Here are a few other possible causes.
If your water heater is leaking from the bottom of the tank it suggests that there s a serious internal problem.
Shut off the water heater shut off the water supply and drain some of the water from the tank.
Your tpr valve located at the top of the water heater automatically opens to discharge water when it senses too high pressure levels.
And when it opens it releases water to the bottom of the water heater via the discharge pipe.
It water appears to be leaking from the valve try tightening it with a wrench until it is snug but be careful not to over tighten it.
And if your water heater is more.
One of the most common causes of water heater leakage is a loose drain valve.
Flexible water supply tubes are the most common cause of leaks above the water heater since it is common for these tubes to fail long before the water heater is ready for replacement.
Water may also leak from the pressure relief valve on the water heater.
There s a problem with the valve such as a faulty seal and the water is unintentionally leaking.