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#1
posted to rec.boats.cruising
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Vent filter
Am installing a new sanitary system and am curious about vent filters.
If using a filter, does this mean you can vent inside the boat? If not why filter? Are these filters effective or do they cause more odors to form? Thanks Gordon |
#2
posted to rec.boats.cruising
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Vent filter
Gordon wrote:
Am installing a new sanitary system and am curious about vent filters. If using a filter, does this mean you can vent inside the boat? If not why filter? Are these filters effective or do they cause more odors to form? Thanks Gordon Not sure what you mean exactly, but I think the filters are to keep things like wasps from getting into the filter and clogging it up. |
#3
posted to rec.boats.cruising
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Vent filter
Gordon wrote:
Am installing a new sanitary system and am curious about vent filters. If using a filter, does this mean you can vent inside the boat? If not why filter? Are these filters effective or do they cause more odors to form? Thanks Gordon Hopefully all vents are located to minimise the risk of offensive odours in the cockpit or below while under way, at anchor or moored by the bow. Unfortunately most boats are kept in marinas most of the time and the odour may well be offensive to neighbours and with the boat not free to swing, it may well be offensive on board. Feel free to vent below decks if you earn your living at the waste treatment plant or driving a honey wagon and never want to take guests or entertain. Effectiveness will never be 100% and without a rigorous maintenance program may be minimal, while any restriction on tank ventilation will aggravate the root cause of the problem, risking increased odour and other problems. Contact Peggie Hall (The 'Head Mistress') for further advice . . . http://forums.sbo.sailboatowners.com/ -- Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED) ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk [at]=@, [dash]=- & [dot]=. *Warning* HTML & 32K emails -- NUL: |
#4
posted to rec.boats.cruising
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Vent filter
On Sat, 05 Dec 2009 08:07:40 -0800, Gordon wrote:
Am installing a new sanitary system and am curious about vent filters. If using a filter, does this mean you can vent inside the boat? I assume you are talking about the holding tank vent? If so, do not even think about venting inside the boat. The odor will knock you over and render the boat uninhabitable. If not why filter? Are these filters effective or do they cause more odors to form? The idea is to minimize the odor outside the boat. The jury is still out on whether that is a good idea or not because the filter will reduce the flow of air to and from the tank. You should really read Peggie Hall's book on this subject or do a search on Google for some of her past postings: http://www.amazon.com/Get-Rid-Boat-Odors-Aggravation/dp/1892399156/ref=sr_1_1?ie=UTF8&s=books&qid=1260040017&sr=1-1 or http://tinyurl.com/y9394go |
#5
posted to rec.boats.cruising
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Vent filter
Wayne.B wrote:
On Sat, 05 Dec 2009 08:07:40 -0800, Gordon wrote: Am installing a new sanitary system and am curious about vent filters. If using a filter, does this mean you can vent inside the boat? I assume you are talking about the holding tank vent? If so, do not even think about venting inside the boat. The odor will knock you over and render the boat uninhabitable. If not why filter? Are these filters effective or do they cause more odors to form? The idea is to minimize the odor outside the boat. The jury is still out on whether that is a good idea or not because the filter will reduce the flow of air to and from the tank. You should really read Peggie Hall's book on this subject or do a search on Google for some of her past postings: http://www.amazon.com/Get-Rid-Boat-Odors-Aggravation/dp/1892399156/ref=sr_1_1?ie=UTF8&s=books&qid=1260040017&sr=1-1 or http://tinyurl.com/y9394go Let me explain the filter I'm talking about. http://www.northeastsanitation.com/vent_filters.html This filter supposedly stops odor so why not vent inside? BTW I have Peggy's book. Gordon |
#6
posted to rec.boats.cruising
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Vent filter
On Mon, 07 Dec 2009 09:37:30 -0800, Gordon wrote:
This filter supposedly stops odor so why not vent inside? It will lead to problems sooner or later. Peggie is a big advocate of freely venting the holding tank with lots of fresh air. At the very least, the filter will impede that venting. At worst the filter will become clogged sooner or later and cause the tank to pressurize. Use your imagination on where that will lead. |
#7
posted to rec.boats.cruising
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Vent filter
On Mon, 07 Dec 2009 13:37:17 -0500, Wayne.B
wrote: On Mon, 07 Dec 2009 09:37:30 -0800, Gordon wrote: This filter supposedly stops odor so why not vent inside? It will lead to problems sooner or later. Peggie is a big advocate of freely venting the holding tank with lots of fresh air. At the very least, the filter will impede that venting. At worst the filter will become clogged sooner or later and cause the tank to pressurize. Use your imagination on where that will lead. Perhaps I miss-remember Peggy's advice but I have the distinct memory that Peggy suggested large holding tank vents and felt that a supply of oxygen was necessary - I seem to remember 1 inch vents?. I can't see that adding a charcoal filter to the system is going to cause troubles assuming that it doesn't impede air flow but why vent inside the boat - what advantage is that going to give you? Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#8
posted to rec.boats.cruising
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Vent filter
On Tue, 08 Dec 2009 07:15:17 +0700, Bruce In Bangkok
wrote: On Mon, 07 Dec 2009 13:37:17 -0500, Wayne.B wrote: On Mon, 07 Dec 2009 09:37:30 -0800, Gordon wrote: This filter supposedly stops odor so why not vent inside? It will lead to problems sooner or later. Peggie is a big advocate of freely venting the holding tank with lots of fresh air. At the very least, the filter will impede that venting. At worst the filter will become clogged sooner or later and cause the tank to pressurize. Use your imagination on where that will lead. Perhaps I miss-remember Peggy's advice but I have the distinct memory that Peggy suggested large holding tank vents and felt that a supply of oxygen was necessary - I seem to remember 1 inch vents?. I can't see that adding a charcoal filter to the system is going to cause troubles assuming that it doesn't impede air flow but why vent inside the boat - what advantage is that going to give you? Disadvantage. Better venting due to increased airflow outside. Time to rant. First, I don't have a boat, but so what? When I get a boat, it will have an Airhead or equivalent. Every owner account I've read has been a good review. Not suitable for "party boats" or more than 4-5 crew, but for a couple or a couple with a couple kids it's fine. No holding tanks, hoses, valves, pumpouts, etc. And no stink. Only reason I can figure they aren't more used is simple ignorance, and the marine head parts industry poo-pooing the idea. Rant over. --Vic |
#9
posted to rec.boats.cruising
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Vent filter
On Tue, 08 Dec 2009 07:15:17 +0700, Bruce In Bangkok
wrote: On Mon, 07 Dec 2009 13:37:17 -0500, Wayne.B wrote: On Mon, 07 Dec 2009 09:37:30 -0800, Gordon wrote: This filter supposedly stops odor so why not vent inside? It will lead to problems sooner or later. Peggie is a big advocate of freely venting the holding tank with lots of fresh air. At the very least, the filter will impede that venting. At worst the filter will become clogged sooner or later and cause the tank to pressurize. Use your imagination on where that will lead. Perhaps I miss-remember Peggy's advice but I have the distinct memory that Peggy suggested large holding tank vents and felt that a supply of oxygen was necessary - I seem to remember 1 inch vents?. I can't see that adding a charcoal filter to the system is going to cause troubles assuming that it doesn't impede air flow but why vent inside the boat - what advantage is that going to give you? Cheers, Bruce (bruceinbangkokatgmaildotcom) He'll know right away when the filter doesn't catch everything. |
#10
posted to rec.boats.cruising
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Vent filter
fOn Mon, 07 Dec 2009 18:29:11 -0600, Vic Smith
wrote: On Tue, 08 Dec 2009 07:15:17 +0700, Bruce In Bangkok wrote: On Mon, 07 Dec 2009 13:37:17 -0500, Wayne.B wrote: On Mon, 07 Dec 2009 09:37:30 -0800, Gordon wrote: This filter supposedly stops odor so why not vent inside? It will lead to problems sooner or later. Peggie is a big advocate of freely venting the holding tank with lots of fresh air. At the very least, the filter will impede that venting. At worst the filter will become clogged sooner or later and cause the tank to pressurize. Use your imagination on where that will lead. Perhaps I miss-remember Peggy's advice but I have the distinct memory that Peggy suggested large holding tank vents and felt that a supply of oxygen was necessary - I seem to remember 1 inch vents?. I can't see that adding a charcoal filter to the system is going to cause troubles assuming that it doesn't impede air flow but why vent inside the boat - what advantage is that going to give you? Disadvantage. Better venting due to increased airflow outside. Time to rant. First, I don't have a boat, but so what? When I get a boat, it will have an Airhead or equivalent. Every owner account I've read has been a good review. Not suitable for "party boats" or more than 4-5 crew, but for a couple or a couple with a couple kids it's fine. No holding tanks, hoses, valves, pumpouts, etc. And no stink. Only reason I can figure they aren't more used is simple ignorance, and the marine head parts industry poo-pooing the idea. Rant over. --Vic What is an "airhead"? I've only ever heard that term used in reference to ditzy blonds..."she's an air head". Cheers, Bruce (bruceinbangkokatgmaildotcom) |
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