But there will be galvanic action between the Cu and the Zn;
hence, the corroded galvanized fittings...

David
'02 LXi, NC

Gregory OConnor wrote:

Mike,you putz!, copper threaded parts are best to be fitted with a
harder metal. I think that is where they used the galv?? I replace
the galv fittings with brass even if there is copper avaliable. A
copper threaded with copper ends up screwing the threads (both are
soft). Using brass or galv keeps the threads erect. when you thread
a male plastic fitting into the copper, the plastic ID is way small
and it is hard to back out. Working with old copper lines I fit a good
treaded pipe wrench close to the copper fitting to hold the stress
from twisting the old line (for every action there is a equal and
opposit reaction)

GregoryO'Connor
94ptRomolandCa

--- In "WanderlodgeForum%40yahoogroups.com", "Michael" <mike.putz@.<wbr>..>
wrote:
>
> I noticed when I removed my hot water heater the coach had copper &
> galvanized fittings. The galvanized fittings sure seemed corroded.
> Shouldn't these all be copper fittings?
>
> Michael Putz
> 78FC35 "Putz'n Around"
> Mesa, Az
>

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