Welcome to Carver Yachts Owners Forum

We are a boating forum for owners of Carver Yachts to enthusiastically discuss all aspects of Carver Boat ownership. Whether you are looking for your first Carver or currently own one, you are sure to feel at home on CarverYachtOwners.com

You are currently viewing our board as a guest which gives you limited access to view most discussions, articles and access our other FREE features. By joining our free community you will have access to searching the forum topics, post topics, communicate privately with other members (PM), respond to polls, upload your own photos and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

Fresh Water Tank Leak

Discussion of AC's, plumbing and sanitation related issues.
User avatar

Topic author United States of America
ronmar
Scurvy Dog
Scurvy Dog
Posts: 10
Joined: July 18th, 2018, 12:44 pm
Vessel Info: 1993 350 Aft Cabin
Location: Warsaw Ky
Has thanked: 6 times

Fresh Water Tank Leak

Postby ronmar » August 12th, 2018, 8:25 pm

I have a 1993 350 Aft Cabin. My fresh water tank is under the bed in the aft cabin and is leaking. Upon inspection the leak appears to be a crack in the plastic tube where it screws into the tank. (tube exits tank straight out bottom end and threads into an elbow that connects to main water lines) I was unable to remove to see what size as did not have the right tools with me at the time. Will be going down again next weekend and hoping to take the parts with me as my marina has no parts and in a small town where parts are hard to find. Does anyone know what size the tube is? Also when replacing should I use Teflon tape?

User avatar

United States of America
mjk1040
Admiral
Admiral
Posts: 1051
Joined: July 30th, 2015, 8:15 am
Vessel Info: 1998 355 AC/MY "Deja Vu"
Location: Savannah, NY
Has thanked: 5 times
Been thanked: 127 times

Re: Fresh Water Tank Leak

Postby mjk1040 » August 12th, 2018, 9:10 pm

I can only guess but would bet on 1/2". And yes I would use Teflon tape on the fittings.
Mike :down:
I'd Rather Be Boating!
1989 Sea Ray Seville
1986 Carver Mariner 32'
1990's Thompson 22' Cuddy Cabin
1990's 4Winns 245 Vista Cruiser
1980's Thompson 19' Open Bow
User avatar

Canada
bud37
Admiral
Admiral
Posts: 1414
Joined: April 23rd, 2015, 10:22 pm
Has thanked: 195 times
Been thanked: 275 times

Re: Fresh Water Tank Leak

Postby bud37 » August 12th, 2018, 9:13 pm

When you get it apart, have a close look to make sure it is the fitting that is cracked and not the tank at the threads.
Regarding the teflon tape,I would not use it here, just a paste type thread sealant for the plastic fitting you are using....the reason being , if you were to put too much tape and then overtightened you will stand a very good chance of splitting the tank threaded fitting...FYI you can even split brass fittings this way.Good luck with it , be careful and all will be fine......... :beergood:
User avatar

United States of America
km1125
Admiral
Admiral
Posts: 625
Joined: February 28th, 2017, 6:04 pm
Been thanked: 145 times

Re: Fresh Water Tank Leak

Postby km1125 » August 13th, 2018, 8:40 am

I'm actually in the "use the tape" camp, but you certainly do have to be careful for what Bud37 says about applying too much wrench on those plastic fittings.

I'm confused about this part "tube exits tank straight out bottom end and threads into an elbow that connects to main water lines"

Use your phone to take pictures of everything you're working on. Gives you some good "before" and "after" pictures for down the road, but very helpful when you're in the middle of a project and not near the boat. Years ago I bought a cheap digital camera and left it on the boat, and had several SD cards to shuttle back and forth to hold the pics while I was working on projects. Now I just use the phone.
User avatar

Topic author United States of America
ronmar
Scurvy Dog
Scurvy Dog
Posts: 10
Joined: July 18th, 2018, 12:44 pm
Vessel Info: 1993 350 Aft Cabin
Location: Warsaw Ky
Has thanked: 6 times

Re: Fresh Water Tank Leak

Postby ronmar » August 15th, 2018, 9:14 am

mjk1040 wrote:Source of the post I can only guess but would bet on 1/2". And yes I would use Teflon tape on the fittings.

Thanks, going back Friday to tackle. Appreciate the help
User avatar

Topic author United States of America
ronmar
Scurvy Dog
Scurvy Dog
Posts: 10
Joined: July 18th, 2018, 12:44 pm
Vessel Info: 1993 350 Aft Cabin
Location: Warsaw Ky
Has thanked: 6 times

Re: Fresh Water Tank Leak

Postby ronmar » August 15th, 2018, 9:16 am

bud37 wrote:Source of the post When you get it apart, have a close look to make sure it is the fitting that is cracked and not the tank at the threads.
Regarding the teflon tape,I would not use it here, just a paste type thread sealant for the plastic fitting you are using....the reason being , if you were to put too much tape and then overtightened you will stand a very good chance of splitting the tank threaded fitting...FYI you can even split brass fittings this way.Good luck with it , be careful and all will be fine......... :beergood:

Thanks for the tips> Always appreciate plumbing help!

United States of America
tomschauer
CYO Supporter
CYO Supporter
Posts: 910
Joined: March 28th, 2016, 10:52 pm
Vessel Info: 1998 Carver 355
Suspicious Fishes !
1990 Proline 17CC
Location: upper chesapeake bay
Has thanked: 60 times
Been thanked: 180 times

Re: Fresh Water Tank Leak

Postby tomschauer » August 17th, 2018, 2:12 pm

For some reason, many of these boats use 5/8 ID hose, but 1/2 NPT threads.
Contrary to most of the above, I personally use a bit of 100% silicone on the threaded fittings, and make sure to let it cure for a few hours before adding water. This way there is no danger of cracking the tank due to too much tape, and the silicone will seal better than pipe dope (thread sealant).

Return to “AC/Heat, Plumbing & Sanitation”



Who is online

Users browsing this forum: Google Adsense [Bot], redgin6 and 1 guest