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Go Back   SailNet Community > On Board > Gear & Maintenance > Poly holding tank pipe thread seal
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Thread: Poly holding tank pipe thread seal Reply to Thread
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Topic Review (Newest First)
06-23-2008 03:55 PM
surftom Thanks everyone - I'll try and find the straight dope!

Tom
06-13-2008 08:57 PM
Freesail99
Quote:
It is a grey colored paste that does not really fully dry.
I am a plumbers son and I think you are referring to pipe dope.
06-13-2008 08:55 PM
sailingdog Pipe dope... or plumbers putty.
Quote:
Originally Posted by brak View Post
Two things worked for me in similar circumstances. Teflon tape, of course, but also the pipe sealing compound that is sold in tubes. It is a grey colored paste that does not really fully dry. It does a great job sealing where teflon fails (such as on large diameter plastic connections or even thru-hulls). I can't remember what it is called specifically but they carry it at Home Depot etc.
06-13-2008 08:51 PM
brak Two things worked for me in similar circumstances. Teflon tape, of course, but also the pipe sealing compound that is sold in tubes. It is a grey colored paste that does not really fully dry. It does a great job sealing where teflon fails (such as on large diameter plastic connections or even thru-hulls). I can't remember what it is called specifically but they carry it at Home Depot etc.
06-13-2008 03:22 PM
Maine Sail
use

Use the yellow "gas" grade teflon tape as it is MUCH thicker and will yield a better seal! It is available at any Home Depot! After using this stuff you won't use the white stuff any more...
06-13-2008 02:14 PM
surftom
Quote:
Originally Posted by SVCarolena View Post
I'm contemplating the same upgrade. What type of boat do you have?
Nash 26
1980 Vintage
Manual Head
06-13-2008 01:23 PM
fcsob I put a Todd tank in my boat & used teflon tape that came with the fitting kit. I put it on fairly heavy only threading the fitting in about a third of the way. They did snug up & don't leak.
06-13-2008 01:13 PM
SVCarolena
Quote:
Originally Posted by surftom View Post
I'm replacing the holding tank (old one was a "bag" type) with a new Todd Enterprises Poly tank from West Marine.
I'm contemplating the same upgrade. What type of boat do you have?
06-13-2008 01:01 PM
sailingdog Teflon tape is probably your best bet. Three or four wraps of it.
06-13-2008 12:45 PM
surftom
Poly holding tank pipe thread seal

Hi Gurus

I'm replacing the holding tank (old one was a "bag" type) with a new Todd Enterprises Poly tank from West Marine.
The 1.5" pump-out and inlet hose fittings do not "tighten" - the pipe fittings have no flange on them and I could probably screw the fitting right through into the tank if I wanted to - albeit with a pair of gas pliers. They are "tight" but I don't think they are "sealed" - I May fill the tank with water and food colouring to check for leaks, but then I may not be able to return the tank if I have to

One idea is to try and install the tank so that all the hose fittings are at the top of the tank (with a pick up extension hose for the pumpout) but I'm still worried about leaks when the boat is heeling and gas/odor escaping

Should I Teflon tape them, Glue/epoxy (won't stick my guess) - any other suggestions?

Is this typical for Poly tanks or do I just have a bad one?

Regards and thanks to all who take the time to respond

Tom

 
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