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I'm not using a water softener, but I will check into what you have mentioned anyway.

Thanks,
Jim

Thanks Steve,
But I have found that the spots only appear with hot water use, not cold water.
Don't know if this will help the experst in diagnosing or not.
Jim

Thanks a lot for all the answers. :confused:

And if it does or doesn't...what was the cause?

If I drain it and it goes away, Great, but that still doesn't tell me what the problem was.
And if it doesn't go away, then I am still in the same...

Some background info first.
I am in a brand new home, my water heater is a Bradford White 50 gallon.
It has a powervent installed. The 2" into 3" PVC vent pipe goes up about 2 feet and then...

Some background info first.
I am in a brand new home, my water heater is a Bradford White 50 gallon.
It has a powervent installed. The 2" into 3" PVC vent pipe goes up about 2 feet and then...