I have read the copper pipe and galvanized steel will cause this and i assumed this was the issue.
Water heater pipes corrosion.
For an older system.
It s more serious than a simple pipe thread leak.
The life of your water heater rests in the anodes which work to prevent corrosion by allowing corrosion within the anode rod instead of the water heater unit if the rod is doing is job properly.
The excess flux gets carried through the pipe and deposited along the way pitting the interior.
Another big problem is when the water heater is leaking due to tank corrosion.
However the anode rod can become encased in a hard layer of calcium carbonate especially if you are dealing with hard water problems.
Common areas where you will see evidence of this is on the valves under sinks at toilet water supply valves and at water heater shut off valves or connections.
If corrosion starts on the heat exchanger or some other smaller component of the water heater it may be possible for a technician to replace only that part and spare the rest of the water heater.
Iron deposits from a rusty water heater can also corrode copper pipes.
Deteriorated pipes with the rust that flakes off can clog the plumbing or cover the water heater elements creating the low water flow low performance and the environment for bacteria growth.
A copper water pipe connected to the steel water heater dielectric fitting.
The outlet seems to be fine.
A water heater is designed to resist corrosion through a number of methods.
Corrosion is visible at the threaded pipe joint.
On cold water piping pitting and corrosion is often caused by an excess amount of flux residue.
The corrosion process dissolves the steel pipe threads and severely weakens the pipe joint.
There are different types of corrosion but when we re talking about a residential water heater it s the corrosion that occurs because of the mix of oxygen and water in contact with metal.
The interior of its hot water tank is lined with glass.
Corrosion is the deterioration of a substance or its properties due to a reaction with its environment in plain words the metal from the piping dissolves into the water as a result of various causes creating pipe failure and corrosion of water heaters appliances and fixtures.
Be sure to change the water heater s anode rods every three to five years.
More specifically the nipples are what is corroding.
There is corrosion forming on the inlet and tp valve connections to my water heater.
The leak may not be visible in the sense that you will not see dripping water.
This warrants calling a plumber for further evaluation.