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Old 12-18-2013, 02:12 PM   #19
Dougcole
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City: Carrabelle, FL
Vessel Name: Morgan
Vessel Model: '05 Mainship 40T
Join Date: Jan 2008
Posts: 2,162
You all are correct, the vent was clogged. I had faulty duckbill valves (which I replaced) I think the Vacuflush system was actually bypassing the outlet DB valves and pressurizing the entire holding tank.

I tried to backflush through the vent line to no effect, so I bent a little hook into the end of a piece of 80 lb test wire leader and scraped around into the vent. Got an instant hiss and a nice odor.

All is working well now, and no more smell.

Thanks for the help.

Doug
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