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Old 06-30-2015, 02:02 PM   #1
City: San Clemente
Country: Usa
Vessel Name: Amelia Rose
Vessel Model: California 34
Join Date: Jun 2015
Posts: 11
California 34 Hull mounted engineroom vents

I just purchased a 1980 34 and all the engine room vents are cracked and have fallen apart. Does anyone have a lead on where these can be purchased? Thanks

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Old 06-30-2015, 06:57 PM   #2
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City: California Delta and SF Bay
Country: Sacramento, CA, USA (boat in Vallejo)
Vessel Name: FlyWright
Vessel Model: Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 12,295
Congrats AR!! I have a 1977 model and have the SS vents like shown below. One of mine was missing a vane when I bought the boat. I found a replacement at West Marine that almost fit in without trimming! Nothing a little multi-tool couldn't correct in about a minute. I'm sure there are other sources available. Measure your vents then search via google. No doubt you can beat the WM prices and get it delivered to your door.


My boat is my ark. It's my mobile treehouse and my floating fishing cabin. It's my retreat and my respite. Everyday I thank God I have a boat! -Al

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Old 06-30-2015, 08:21 PM   #3
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City: Essex, MD
Country: USA
Vessel Name: Scooter
Vessel Model: 1984 Californian 34 LRC
Join Date: Jan 2011
Posts: 337
Replaced all of our '84 Californian 34's ER vents thru Defender marine. Units are made by SeaDog. As I recall, units fit fairly well w/o much, if any, trimming.
1984 Californian 34 LRC
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Old 07-01-2015, 06:39 AM   #4
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City: South Florida
Country: USA
Join Date: Sep 2014
Posts: 701
Most of these style vents are a "knock off" of the original. I believe DetMar started them off in the 70's then Attwood, Whitecap, Seadog, T & H zn several others trying to win the OEM market jumped in with their version.
As mentioned, shop a little, biggest problem should be which brand to buy from who.

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Old 07-06-2015, 08:36 AM   #5
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City: Oceanside, CA
Country: USA
Vessel Name: Tera Grace
Vessel Model: Californian 42 LRC
Join Date: Oct 2012
Posts: 173
The stainless ventilators seem to be problematic for rusting over the long term. I replaced my two lower 5 louver vents with White ABS plastic vents for $7.00 a piece. You also have the option of installing a collector box insert into the opening with the vent on top that helps direct water entering the vent back out. If I recall the collector boxes were only available for the ABS vents. The ABS are slightly larger than the Stainless by about a 1/4" and required opening the hole slightly.
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