Recent content by ralfonso

The plumber did install the jumper. I have no idea where the flue goes :/ I think he might have installed that valve also.

I've found a few threads with similar photos, but the answer seems to be different in cases that look the same to me. I'm a complete plumbing novice. Can anyone tell me what would cause this corrosion? The installer insists that it was properly installed (though he won't send someone out...