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post #1 of 18 Old 11-16-2014 Thread Starter
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Vetus Deck ventilator

Ahoy,
I am having trouble finding replacement deck ventilators for my 1990 37. Vetus is the original manufacturer, but their new production units are a slightly different size than the originals installed during the boats manufacture.
Has anyone replaced these vent assemblies? Mine are not salvageable as the bronze threaded shaft has seized and hence destroyed the threads making movement of the shaft/cap impossible. In trying to do so it broke off!
Vetus makes a slightly smaller version now, but I have the existing holes in the cabin top, along with the teak dorade boxes, so I was wondering if anyone had previously dealt with this issue.
Thanks,
Bill

Bill Petras
Pacific Seacraft 37
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post #2 of 18 Old 11-17-2014
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Re: Vetus Deck ventilator

We replaced ours with Nicro Day/Night Vents. They fit in that spot (sort of) but are cheap and leak badly. There is no way to prevent them from leaking in a heavy rain. They will be replaced soon for sure.



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post #3 of 18 Old 11-17-2014
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Re: Vetus Deck ventilator

Bill, I replaced our Vetus dorades with exact same model by Vetus. My lock ring was also frozen but was able to compress base of rubber dorade close to ring and pull out in one piece. Used a large channel lock plier. New dorade by Vetus came with new lock ring which I removed and compressed base flange of dorade into existing ring. Heated up the base of rubber dorade with heat gun so it was pliable. Still able to turn dorade as before and seems good and secure. The new dorades have a rubber flange at base that fitted nicely under old lock ring. Hope that helps.

John Schwab
S/V Norstar
1990 PSC # 201
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post #4 of 18 Old 11-18-2014
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Re: Vetus Deck ventilator

There are generally several used ones available at Bacon Sails in Annapolis.

Al Lorman
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post #5 of 18 Old 11-19-2014 Thread Starter
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Re: Vetus Deck ventilator

Well, I ended up ordering the current production Vetus Athos ventilators. They are slightly smaller than the originals ( about 1/8" smaller in diameter ). The original trim ring will not fit the new version, so I will have to use the included one. It is just barely big enough in diameter to cover the hole in the headliner. I haven't installed them yet, but I expect to be able to fit the above deck portion into the existing cabin-top hole with only minor additional sealing.
It is humorous to me that Vetus would make the current version just a bit smaller so that it would not be a direct replacement to their previous production units.
Oh well...
I'll follow up after the installation. It won't be right away, as I have to carefully remove the teak dorade boxes, etc.

Bill Petras
Pacific Seacraft 37
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post #6 of 18 Old 11-20-2014
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Re: Vetus Deck ventilator

Perhaps a tad late to the party, but we also replaced our mushrooms (we went from the original Vetus cowl assemblies to dorades and boxes) and had no issues with sizing.

Bill & Lisa Ballard
S/V Jo Beth
1984 Pacific Seacraft Crealock 34, Hull #16

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post #7 of 18 Old 11-22-2014
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Re: Vetus Deck ventilator

We just swapped our dartagn1 vents because they seized up. The only size difference in the new ones was the diameter of the hole in the deck and the plastic trim ring lining the hole, which don't affect the replacement. Everything else was the same, including the screw hole placement in the deck. The dimensions on the websites are confusing because they are originally metric and inaccurately converted to US on some of the sites.

Dave Mancini
PSC 34 #305 "Swan"
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post #8 of 18 Old 11-22-2014
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Re: Vetus Deck ventilator

Thanks for this post Bill. I have exactly the same problem with dorade vents on my 2004 PS37 (i.e., the bronze threads are seized). I hope you can answer two questions:

What's the part number of the Vetus system you purchased?

On which side of the dorade boxes are the screwhole bungs? I'd prefer not to dig out every bung looking for the correct screws to remove the boxes.

Many thanks!

Paul
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post #9 of 18 Old 11-30-2014
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Re: Vetus Deck ventilator

Would heat (a blow torch used very carefully) have any chance of freeing up the seized bronze threads?
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post #10 of 18 Old 12-01-2014
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Re: Vetus Deck ventilator

I was able to free mine up by fashioning a square headed punch out of a carriage bolt to drive against the ring. I first tried a block of oak, but it wouldn't deliver a sharp enough blow to break it loose.
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