If the tank is leaking there must be internal leak of hot water heater.
Why is my hot water heater leaking from the copper pipe on the side.
To replace the water heater flex lines first shut the water off to the water heater.
Water leaking from a copper pipe on the side of the house.
Limiting the velocity reduces the turbulence in the pipes that creates pinholes.
The pipe in question is the discharge pipe that connects to the pressure release valve.
Water temperature gets too hot thermal expansion most common defective valve water pressure first check the water temperature at any faucet.
Put a thermometer in a glass and place it under the tap.
The 1 reason why copper pipes leak is due to turbulence.
Turbulence enters your system in 2 ways.
Most likely water leaking from a copper pipe or elbow shaped fitting down low is an indication that the prv pressure relief valve on your water heater is leaking.
This will be a shutoff valve on the cold water pipe leading to the water heater.
Or may be leak in the drain pipes of the hot water system overflow pipe water heater running.
There may be a lot of reasons hot water heater leaking.
There are frequent leaks occurring in straight pipe runs.
Tighten loose pipe fittings.
Feet per second for cold water and 5 fps for hot water.
This device is intended to keep your water heaters tank from building up pressure and literally blowing up.
This valve will open or leak for the following reasons.