Assuming that is connected to the boil kettle, how do you manage negative pressure in the kettle?
The vaporization from the boil?
Well, that is a good question that I had not thought of. Considering that the fan sounds the same with the top on or off, I would assume since the lid is not sealed that air is moving into the kettle between the lid and the kettle. I did cut a corny keg lid opening in the boil kettle lid to add hops and stir if necessary. So for a large part of the boil the corny lid was off. I also can slide the boil kettle lid off about 1/4 with no steam floating out. The vent blower still pulled the steam out.
It seems like PVC might be the way to go, if you bring it straight up then do ~1-2" per foot drop to the outside ideally the moisture that collects would just drain right out right?
That's your homebrew setup?
Hello all - great thread... lots of useful info! Can anyone tell me if there are any dangers or major drawbacks of using galvanized vs stainless for a hood application? i am working on my eBrewery design right now and I am considering using one of these as a hood... http://www.amazon.com/Behrens-35-Gallon-Round-Steel-Tub/dp/B002TR9FUI
Same general concept as using the stainless mixing bowl, the above mentioned tubs are about 30" in diameter though, vs the smaller diameter of the mixing bowls.
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