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Old 07-09-2012, 07:59 PM   #6
Al
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City: ketchikan, Alaska
Vessel Name: 'SLO'~BELLE
Vessel Model: 1978 Marben-27' Flybridge Trawler(extended to 30 feet) Pilothouse Pocket Cruiser[
Join Date: Apr 2012
Posts: 2,206
Back again with a report.

The Sherwood pump arrived in today's mail. I have gathered all the required (I hope) plumbing pieces to make the change. In the meanwhile, I came across the local marine mechanic and ran the question by him. You guys and he are in accord. He mentioned the relationship between the exhaust elbow height and the waterline, if there were or not, a water lift muffler, and confirmed the information regarding exhaust valve allowing water in under the pressure of the continued running water puppy. What a good feeling to know the information found on this site has validity!
The mechanic went on to relate how a old cannery tender used a cast iron boiler circulating pump for years, why the salt water didn't destroy it he didn't say. And BobH- without any prompts, this mechanic, chuckled as he told of a visiting yacht arriving having used its A/C pump to make it here.
Small world for emergency repairs.
Thanks again for the response. (and nobody yelled! 8-)

Al johnson
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