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 black water/burnt out elements
Author: mbsowders (TX)

I replaced my water heater two months ago due to a burned out element. Two days ago this happened with my new water heater. The Tech Specialist suggested this could be caused by dirty water. I am on a well; due to heavy sulfur content, water goes through filtration, chlorination, and softener. What I have noticed many times is that the water will be black coming out of the faucets - it's not just the hot water; sometimes the toilets fill with dark water. Sediment will appear on the bottom of the bathtub following this discharge. The water clears up after 15 seconds or so. This seems to happen when water delivery is interrupted - for example, due to work on the heater or the equipment associated with the treatment of the water. What could be causing this black water? Is it perhaps the pipes? (house was built in '83) If so, can only the pipe to the water heater be replaced and the rest remain as they are until I can afford to replace the rest? I have a plumber coming out to replace the element and will discuss with him - just looking for 2nd, 3rd, 4th opinions. Thanks!

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 Re: black water/burnt out elements
Author: Paul48 (CT)

I'm just a homeowner, but I wouldn't worry about the black residue, if it goes away.Rubber seals like the ones that are probably used in your filtration system tend to break down. If you've ever had the pleasure of working in a toilet tank, often your hands come out black.
Was the water tested, and then determined to have a high sulphur content?

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 Re: black water/burnt out elements
Author: hj (AZ)

You do NOT replace a water heater because of burned out elements. The OEM elements are NOT the most sturdy so premature failure is not unusual. I only replace elements with the most expensive "lifetime" stainless steel ones.

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