rebuilding Oberdorfer Pump - Page 5 - SailNet Community
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post #41 of 45 Old 04-10-2012
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Re: rebuilding Oberdorfer Pump

The black rubber impeller primed from the bucket in about 5 seconds E. The globe impeller is about 3/64ths too thin. It's pumping like a champ again!

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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My boat is sold!
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post #42 of 45 Old 03-04-2013
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Bronze fittings?

I'm replacing my Oberdorfer n202-15m pump and just wondering what fittings to use. I have a 3/8 NPT to 5/8 barb elbow and a straight 3/8 NPT to 5/8 barb nipple on the old one, I don't know if it is bronze or brass.

I read that brass fittings don't work well with bronze, and while buying fittings made of brass does not seem to be a problem, I'm not able to find any bronze fittings with 3/8 NPT anywhere.

Wonder what others used? Is brass ok? Plastic?
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post #43 of 45 Old 03-04-2013
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Re: rebuilding Oberdorfer Pump

Brass is OK in this application, as it should be protected by your H/X zinc.
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post #44 of 45 Old 03-05-2013
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Re: rebuilding Oberdorfer Pump

Great! Thanks. I was just wondering if I need to replace the HX zinc every year, but looks like I better do.
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post #45 of 45 Old 03-05-2013
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Re: rebuilding Oberdorfer Pump

Bronze is a little hard to find in 3/8" NPT, you may have to settle on brass. Not ideal, they will just have to replace the fittings more often. Plastic will break too easily.
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