Join Date: Jul 2008
Location: Campbell River, British Columbia
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I don't have the heatex on mine, I seem to get enough heat without it. I have a damper and I do get backdraft problems occasionally. The guy in the fishboat in front of me had this problem and Dickinson told him to add a length of pipe and although it helped a great deal, he still has problems in higher winds 20+ knot but it's usually difficult to increase the length of the stack on a sailboat. I have the DP style exhaust cap and I'm thinking about cutting a short piece of SS flue pipe about 5" high and 8" in diameter and install that around the cap using spacers to hold it in place and hopefully this stops the wind from hitting the vent slots directly.
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