Water temperature gets too hot thermal expansion most common defective valve water pressure first check the water temperature at any faucet.
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.
Before removing the water supply tubes verify that the water is turned off by turning on the hot side of a faucet somewhere in the house to see if water continues to flow.
Limiting the velocity reduces the turbulence in the pipes that creates pinholes.
Tighten loose pipe fittings.
Put a thermometer in a glass and place it under the tap.
This valve will open or leak for the following reasons.
There are frequent leaks occurring in straight pipe runs.
The 1 reason why copper pipes leak is due to turbulence.
Turbulence enters your system in 2 ways.
There may be a lot of reasons hot water heater leaking.
This will be a shutoff valve on the cold water pipe leading to the water heater.
The pipe in question is the discharge pipe that connects to the pressure release valve.
If water is coming from the cold water supply line and the hot water pipe you may be able to stop the leak by tightening a loose fitting with a wrench.
Water leaking from a copper pipe on the side of the house.
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.
Feet per second for cold water and 5 fps for hot water.
Or may be leak in the drain pipes of the hot water system overflow pipe water heater running.