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Old 09-22-2010, 06:51 PM   #1
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Water heater inlet nipples rusting.

We had our gas water heater replaced on 1-30-10. I noticed corrosion on the nipples leading into the water heater. Most of the corrosion is on the cold side with just a spot on the hot side. What would cause this only 8 months after installation? I have a dehumidifier and donít have any other rust issues in the basement. Pictures attached.

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Water heater inlet nipples rusting.-cold.jpg   Water heater inlet nipples rusting.-hot.jpg  


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Old 09-22-2010, 09:27 PM   #2
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Water heater inlet nipples rusting.

maybe a small water leak there. Looks like insulated unions


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Old 09-22-2010, 09:36 PM   #3
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Water heater inlet nipples rusting.

Condensation could still be the cause on the cold line, but the hot has me puzzled.
Normally that line should be too warm to condensate.

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Old 09-23-2010, 12:33 AM   #4
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Water heater inlet nipples rusting.

Did you hire someone to install your heater?
If so, call them back and get it fixed under warranty. Its been less then 1 year. You should be covered
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