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Old 06-14-2010, 12:20 PM   #1
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Rotten Galvanized to PVC?!?!?


Long time reader...Second time Poster.

I moved into a Brick Bungaloo in October or last year. I recently had to replace the water shut off valve while doing a basement finishing project. While doing the shut ff replacement, I found I had to replace the unions and the 4in nipple because the galvanized pipe threads had been worn away, and eventhough it is a 3/4 inch galvanized pipe the water passage is MAYBE 1/4inch, less in some areas.

I want to swap out the Galvanized for Schedule 40 PVC. I put a post in the Electrical forum about moving my ground from the water pipe to an exterior ground rod. Does anyone have advise or suggestions on swapping out the pipe.

My biggest concern is attaching the PVC to the Brass shut off valve i just installed.

Any help wout be great.

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Old 06-14-2010, 01:42 PM   #2
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Rotten Galvanized to PVC?!?!?


PVC is for cold water only and drains. If you're going to replace all of that old galvanized, I would consider either CPVC or PEX, both of which allow hot water lines.
Why can't you just ground your water heater (with an insulated ground wire) back to your panel ground buss?
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Old 06-14-2010, 02:38 PM   #3
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Rotten Galvanized to PVC?!?!?


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Why can't you just ground your water heater (with an insulated ground wire) back to your panel ground buss?
Then how is the ground buss grounded, if it is not grounded through the cold water line?
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Old 06-14-2010, 04:00 PM   #4
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Rotten Galvanized to PVC?!?!?


The panel should be grounded to a long ground rod in the ground. My water heater has 10/2 w/ground wiring from a 30 amp panel breaker and has always been grounded back through the panel only (since 1977).
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Old 06-14-2010, 04:44 PM   #5
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Rotten Galvanized to PVC?!?!?


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The panel should be grounded to a long ground rod in the ground. My water heater has 10/2 w/ground wiring from a 30 amp panel breaker and has always been grounded back through the panel only (since 1977).
Mike
Is your water heater gas or electric?
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Old 06-15-2010, 06:22 AM   #6
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Rotten Galvanized to PVC?!?!?


Mike I think your on the wrong track here it sounded like he was talking about the main panel ground not a hot water heater ground... I didn't see hot water heater in his post but my eyes are starting to go.
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Old 06-15-2010, 09:25 AM   #7
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Rotten Galvanized to PVC?!?!?


Thanks for the help guys, between here and my electrical forum post I have figured out my answers. I will use the CPVC for the new water lines, and I will run a #6 insulated wire from the box to the copper service.
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Old 06-15-2010, 09:31 AM   #8
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Rotten Galvanized to PVC?!?!?


You are right, COLDIRON.
WHERE did I get water heater? My MIND is starting to go. LOL

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