Plumbing help - leak at Teflon taped threads - Saab General Bulletin Board - Saabnet.com
The banner above is an advertisment - if it asks you to download software, please ignore.
Site News - 4/9 Saab Owners' Convention Day Pass Raffle | 3/26 M Car Covers (by State of Nine)

[General | Members | C900 | 9000 | NG900 & OG93 | 93 | 95 | NG95 | 99 | Sonett | Vintage Models | Clubs | Other Cars | FAQs | Gifts | Member Photo Galleries | Member Directory | Classifieds | Manuals | *Buddy Registry | *Mileage Registry | Polls | What's New | Raffle | Photo of the Month | Sponsors]

General Bulletin Board
[Subscribe to Daily Digest]
(Search Author's Posts: e.g. Keyword:username)*Members Only


[Main General Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
Plumbing help - leak at Teflon taped threads
Like This Post: - Subscribe to Daily Digest for this Bulletin Board
Posted by Sondeen [Email] (#796) [Profile/Gallery] (more from Sondeen) on Sat, 29 Nov 2014 07:29:45 Share Post by Email
Alert me when someone posts in this thread:
Members do not see ads below this line. - Help Keep This Site Online - Signup

Major frustrations here trying to repair kitchen sink plumbing.

I am putting a new shut off valve onto the hot water supply for the sink. One end is 1/2" fip thread to connect with the hard copper feed line, the other 3/8 thread to connect to the braided flex line to the fixture.

I am using Teflon plumbers tape for the 1/2" threads. I am getting weepage out of this threaded connection. I have tried three times now, leek keeps coming back. I have tried about 2 wraps, 2 1/2 wraps, and then about 4 wraps thick. I am wrapping in the proper direction, covering the entire section of engaged threads, and cleaning the old tape off prior to retrying. I am using plumbing tape rated for gas piping. I have used this same tape successfully on water pipe jobs in the past, and on other connections with this job (see below). But this one joint will not work. Any ideas?

The valve is a new item from Lowes, china made. The copper pipe is a brand new adapter, swet connection to 1/2" thread. I actually had to rebuild the entire copper set up last night at 11PM. The house (1940) is plumbed with brass pipe where all fittings are threaded. The riser comes up through the wall and there is a threaded elbo which faces into the kitchen cabinet. Prior owner had removed existing brass fittings for final connect to sink and replaced with a home made "T" set up made with threaded steel pipe and fittings so that a second shut valve connection for a dishwasher could be installed. Prior owner was likely trying to save $. This steel detail was so internally corroded that in basically fell off in my hand when trying to loosen the shut off valve I was attempting to replace. Thus I had to rebuild this T detail out off copper. Each leg of the T has a 1/2 " MIP thread. One threads into the existing brass riser elbo, the others to shut off valves for the sink and dishwasher. I Teflon taped each location, but only the one for the sink valve weeps.

Could I be using a better tape for this? Should I try some pipe dope compound? Any ideas?

Thanks, Mark


Posts in this Thread:
Alert me when someone posts in this thread:
Members do not see ads below this line. - Help Keep This Site Online - Signup
Post a Followup

No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.

Name: Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
E-Mail: (Optional)
Re-Enter E-Mail: (Confidential & Secure - Not revealed to other users!)
Note: Please check your spam folder for BB responses.

Subject:

Posting rules are simple - No for sale/wanted ads may be posted here - use the site classifieds.
You may not cross-post your message to multiple BBs.
Not permitted: political/religious topics and being disrespectful (personal attacks, insults, etc...).
Site Members do not see any red text, inline ad links, bottom of page anchor ads, box ads, or anti-spam check.

Message: (please no for sale/wanted classifieds - post those in the Saabnet.com Classifieds)
Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post, use [img]http://www.domain.com/img.jpg[endimg] (or use the Optional Image Link field below).


Links are now automatically made active, no need for any special code (or use the Option Link field below) - don't put links in () or end with a '.'
To add inline images to your post above, use [img]http://www.domain.com/img.jpg[endimg] (or use the Optional Image Link field below).

Optional Link: (e.g. http://www.saabnet.com/)
Link Title: (Optional)
Optional Photo/Image Link: (e.g. http://www.saabnet.com/img.jpg)
Photo/Image to Upload: (Please be patient while file uploads)





StateOfNine.com
SaabClub.com
Jak Stoll Performance
M Car Covers
Ad Available

The content on this site may not be republished without permission. Copyright © 1988-2024 - The Saab Network - saabnet.com.
For usage guidelines, see the Mission & Privacy Notice.
[Contact | Site Map | Saabnet.com on Facebook | Saabnet.com on Twitter | Shop Amazon via TSN | Site Donations]

Random Saabnet.com Member Gallery Photos (Click Image)

This is a moderated bulletin board - Posting is a privilege, not a right. Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY. Classifieds are to be listed in The Saab Network Classifieds pages. This is a problem solving forum for over 250,000 Saab owners, so expect to see problems discussed here even though our cars are generally very reliable. This is not an anything goes type of forum. Saabnet.com has been a moderated forum since 1988. For usage guidelines, see the Saabnet.com Mission and Purpose Page. Please remember that you are not anonymous. Site Contact | Site Donations | Other Sites by SP - Poverty2Prosperity.org | Run Club Menlo Park | ScreenBot



Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all the Site Membership Benefits!