The C-Brats Forum Index
HomeForumsMy TopicsCalendarEvent SignupsMemberlistOur C-DorysThe Brat MapPhotos

Wallas exaust water leak

 
Post new topic   Reply to topic    The C-Brats Forum Index -> Hull, Deck and Fittings
View previous topic :: View next topic  
Author Message
bridma



Joined: 13 Sep 2011
Posts: 1155
City/Region: Comox
State or Province: BC
C-Dory Year: 2009
C-Dory Model: 22 Cruiser
Vessel Name: Nomad
Photos: Nomad
PostPosted: Sun Sep 20, 2015 7:50 pm    Post subject: Wallas exaust water leak Reply with quote

In heavy seas I get about half a cup of water in the locker where the sink and stove are. I have tracked it down to the Wallas exaust exiting the hull. I think it is the join where the heat resistant webbing is joined on to the stainless thru-hull. I took this apart and reasembled it tighter, also used a smear of heat resistant caulking (but can not remember the name of the product). End result is, I still have a leak. I do not see any point in taking this joint apart again as I know I will not be able to put it back any tighter than it is at present. I do not want to take the stainless thru-hull out and try to put it back, I'm a bit of a dunce when it comes to this sort of stuff. I'm thinking of coating everything liberally in heat resistant caulking. Any one know of a good product? Anyone else run into this problem?

Martin.
Back to top
View user's profile Send private message Send e-mail
BRAZO



Joined: 29 Jul 2008
Posts: 650
City/Region: Full-time Travel
State or Province: NV
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: Meyer Meyer
Photos: BRAZO
PostPosted: Sun Sep 20, 2015 8:20 pm    Post subject: Reply with quote

We had the same thing happening. Finally used some high temperature gasket sealant and that "seems" to have fixed it. I coated the inside of the flexible pipe up about 5 inches (trying to get in all the grooves) and slid the pipe back on. The leak was pretty constant when in bigger seas and the last few times when we thought it should be leaking, it was not.

Good luck.

_________________
2008 CD22 Twin 50hp
Full-time Travel - Sprinter4x4, International, C-DORY 22
Back to top
View user's profile Send private message
Molly Brown



Joined: 02 Nov 2003
Posts: 404
City/Region: Punta Gorda
State or Province: FL
C-Dory Year: 2003
C-Dory Model: 24 Tomcat
Vessel Name: MOLLY BROWN
Photos: Molly Brown
PostPosted: Sun Sep 20, 2015 8:30 pm    Post subject: Reply with quote

I rehabbed my Wallas recently including the exhaust hose. I ended up replacing the entire flexible metal exhaust piping. It hadn't been removed since the boat was new since I usually just disconnect the piping at the stove if I need to work on the stove. Anyway, on removal I discovered that small amounts of water would pool at the bend between the hull fitting and where the pipe joined it. The orientation of the hull fitting was horizontal facing the stern of the boat. Since the boat tends to slope towards the stern whether at rest or on plane that allowed water to collect there, albeit not very much. It did however start a corrosion process, and once I reworked the hull fitting to face vertical, when I went to reshape the bend it split open at the corrosion spot. Needless to say I am very happy I caught it before it corroded all the way thru which would flood the air space in the sink cabinet then travel into the interior boat air space. *** On reviewing the instructions for installation that came with the stove it clearly states the hull fitting should have the pipe going VERTICAL.*** I could not find a local supplier for that 1 1/8" stainless pipe so I called Scan Marine who sells it by the foot. I also added the heat resistant webbing which was never installed on my boat. The connection point is double clamped without sealant, no leaks. This is the original stove from 2003.

On rereading your post....if the fitting itself is leaking look to see if you have a cork gasket under your fitting on the outside of the hull. It is just thick enough that when you tighten down the fitting to the hull it seals but prevents the fitting from actually resting against the gel coat.

_________________
James, Betty, Luna cat and Moki dog on the TomCat Molly Brown
Starting the Great American Loop 03/2024
Back to top
View user's profile Send private message Send e-mail Visit poster's website
ghone



Joined: 13 Aug 2008
Posts: 1428
City/Region: Nanaimo
State or Province: BC
C-Dory Year: 2011
C-Dory Model: 22 Cruiser
Vessel Name: Kerri On
Photos: Kerri On
PostPosted: Mon Sep 21, 2015 4:37 pm    Post subject: Reply with quote

Hey Martin sorry to hear about the leak
Ever think about trying calm water boating? May be worth a go??!!
Ross on Pacific Wanderer had similar issues and put a ss vent cover on the outside to deflect water pics in his album I believe
Back to top
View user's profile Send private message Send e-mail
C-Hawk



Joined: 02 Nov 2003
Posts: 2145
City/Region: Carpinteria / Channel Islands
State or Province: CA
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: C-Hawk
Photos: C-Hawk
PostPosted: Mon Sep 21, 2015 4:52 pm    Post subject: Reply with quote

I, also, had the water leaking at the exhaust/hull connection.
I removed the through hull, cleaned it and used high temp gasket sealer inside and outside of the connection. I coated the inside of the flex tube with the high temp sealer. No more trouble with water getting in at that location.

_________________
Roger
2002- CD22- "Fishtales" returned to factory 2008
2008- CD22- "C-Hawk" Sold
KJ6VVB
A Brat I am, At sea I be
God is Great, Beer is Good.... and People are Crazy
Back to top
View user's profile Send private message Send e-mail
hardee



Joined: 30 Oct 2006
Posts: 12632
City/Region: Sequim
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sleepy-C
Photos: SleepyC
PostPosted: Mon Sep 21, 2015 5:24 pm    Post subject: Reply with quote

I have had some "moisture" down there under the sink, but have not really found the source as yet. I like Georges idea of calm water boating, but "sometimes, a man has just gotta do what a mans gotta do". I have heard something back there gargling on occasion, and I know it's not "Diesel" my pet rock.

I would be interested in the specifics of the sealer that is being used, bore than just high temp. Brand, amount needed etc.

Thanks

Harvey
SleepyC Moon


_________________
Though in our sleep we are not conscious of our activity or surroundings, we should not, in our wakefulness, be unconscious of our sleep.
Back to top
View user's profile Send private message
C-Hawk



Joined: 02 Nov 2003
Posts: 2145
City/Region: Carpinteria / Channel Islands
State or Province: CA
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: C-Hawk
Photos: C-Hawk
PostPosted: Mon Sep 21, 2015 6:16 pm    Post subject: Reply with quote

hardee wrote:
I would be interested in the specifics of the sealer that is being used, bore than just high temp. Brand, amount needed etc.


I used Pro Seal Black RTV Silicone Sealant, low volatile formula. It doesn't take much- a small tube 3 oz. tube was more than enough.

Roger
Back to top
View user's profile Send private message Send e-mail
rogerbum



Joined: 21 Nov 2004
Posts: 5922
City/Region: Kenmore
State or Province: WA
C-Dory Year: 2008
C-Dory Model: 255 Tomcat
Vessel Name: Meant to be
Photos: SeaDNA
PostPosted: Tue Sep 22, 2015 12:35 pm    Post subject: Reply with quote

hardee wrote:
I have had some "moisture" down there under the sink, but have not really found the source as yet. <stuff clipped>
Harvey
SleepyC


One possible source (depending on how you use your boat and sink) is that any water on the counter can find it's way below through the gaps around the Wallas. On my boat, I have a cutting board over the sink most of the time. After the water is turned off (or after you quit pumping with your foot), there's still a little water in the faucet. This can leak out on the cutting board and then wander below through the gaps under the edges of the Wallas. Probably not your problem, but I thought I'd mention it.

_________________
Roger on Meant to be
Back to top
View user's profile Send private message AIM Address
mgarr682



Joined: 29 Sep 2012
Posts: 182
City/Region: Asheville
State or Province: NC
C-Dory Year: 2013
C-Dory Model: 22 Angler
Vessel Name: Glenda Jean
Photos: Glenda Jean
PostPosted: Sat Oct 03, 2015 4:16 pm    Post subject: Re: Wallas exaust water leak Reply with quote

bridma wrote:
In heavy seas I get about half a cup of water in the locker where the sink and stove are. I have tracked it down to the Wallas exaust exiting the hull. I think it is the join where the heat resistant webbing is joined on to the stainless thru-hull.


When I moved my Wallas stove a couple of years ago the folks at Scan Marine told me to be sure to use a lot of heat resistant RV sealant on the inside of the through hull exhaust fitting because the exhaust pipe is spot welded to the exterior fitting leaving small gaps which allow water to seep in around it. When I removed the through hull and looked at it from the inside I could see what they were talking about. Where the exhaust pipe attached to the fitting there were three spot welds. When I reinstalled the through hull I made sure to push RV sealant into the gaps with my finger and then pretty much fill the back side of the fitting wiping away excess with a paper towel as I tightened it down. So far no leaks.

_________________
Mike Garrett

Back to top
View user's profile Send private message
bridma



Joined: 13 Sep 2011
Posts: 1155
City/Region: Comox
State or Province: BC
C-Dory Year: 2009
C-Dory Model: 22 Cruiser
Vessel Name: Nomad
Photos: Nomad
PostPosted: Mon Oct 05, 2015 5:07 pm    Post subject: Reply with quote

Thanks guys. Great info.

Martin.
Back to top
View user's profile Send private message Send e-mail
SeaSpray



Joined: 12 Mar 2004
Posts: 1006
City/Region: Brentwood, CA
State or Province: CA
C-Dory Year: 2004
C-Dory Model: 22 Cruiser
Vessel Name: SeaSpray
Photos: SeaSpray
PostPosted: Sat Jun 04, 2016 4:03 pm    Post subject: Reply with quote

I had the same problem on the way to the Friday Harbor gathering. I have now removed the vent fitting. The factory in 2004 was using a sealant that looks like BoatLife type and that is what mine was sealed with.

There was sealant between the gasket and the hull but not the gasket and fitting. The clean up I have to do is on the hull. I will see if I can get a replacement gasket from Scan Marine. I am thinking I will also use the Hi-temp gasket sealer (rtv silicon). That is what Scan recommends. Not sure if I should seal both sides of the gasket but will make sure to seal the pipe around the spot welds - this may have been where my leak was.

My vent was installed with #8 machine screws that were about 2.5 inches long. I don't wee any reason for the long screw so will replace with shorter ones.

Any suggestions welcome.

Steve
Back to top
View user's profile Send private message
thataway



Joined: 02 Nov 2003
Posts: 20779
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Sat Jun 04, 2016 7:33 pm    Post subject: Reply with quote

Although you can get a gasket from Scan, it is fairly easy to cut a new gasket out of cork/rubber material. I have done that several times. I then use Hi Temp RTV silicone sealant--one of the few times for silicone sealant on the boat.
_________________
Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL
Back to top
View user's profile Send private message Send e-mail
Display posts from previous:   
Post new topic   Reply to topic    The C-Brats Forum Index -> Hull, Deck and Fittings All times are GMT - 5 Hours
Page 1 of 1

 
     Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You cannot download files in this forum



Page generation time: 0.1086s (PHP: 85% - SQL: 15%) - SQL queries: 30 - GZIP disabled - Debug on