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Old 11-28-2017, 02:10 AM   #1
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Replacing shut off valve ... couldnít get main line to stop dripping


Iím replacing an old shutoff valve with a ball valve style shutoff.

I shut off the street main and the feed from the hot water tank.

The cold line sweat without issues. The hot kept dripping and I couldnít get the solder to melt.

I tried the bread trick - no luck.

Would running a drill pump with a hose up the line take out enough water? It doesnít help that the line Iím sweating is facing down - no where for the water to pool. Or should I have waited longer for the hot to stop dripping?

I ended up sharkbiting it. First time using a shark.

What are options here?

I could leave the sharkbite fitting in place and sweat on the rest of the line. (Iíd leave the shark in the open position after i sweat the line.). Iíve never used sharkbite before so I am a bit concerned.




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Last edited by jaketrades; 11-28-2017 at 02:24 AM.
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Old 11-28-2017, 02:43 AM   #2
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Replacing shut off valve ... couldnít get main line to stop dripping


I forgot to clean the flux off the copper pipe I sharkbite!!! Is that gonna be a problem?




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Old 11-28-2017, 05:01 AM   #3
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


You're hot water will drip until the tank is near empty, or at least below the level of the fitting that you are replacing.

Best to open a faucet to let it drain, or attach a hose to the tank drain and to a sewer drain.

Do you regularly drain the water heater to rid it of sediment, You should at least yearly to protect your heat elements, Deposits build up and cause them to corrode and either short out (if electric), or get hot spots and burn through ( if gas).

ED
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Old 11-28-2017, 05:34 AM   #4
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Ed, the tank is in the basement and the fitting is a couple flights higher.

I drained all faucets at the same level and above the fitting.

Iíll look for a drain out valve on the tank. What should I be looking for?

Thx


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Old 11-28-2017, 06:01 AM   #5
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Depends on which tank you have, a picture would help.

Usually right on the front, a regular garden hose should fit it and the valve looks just like a regular hose bib.

You might need a new shutoff valve to the plumbing.

This is usually right near the top of the tank, to ease in replacement of the old tank when it dies.


ED
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Old 11-28-2017, 06:24 AM   #6
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Iíll take a pic later. Iím assuming the drain out valve will be near the bottom of the tank.

The shut off valve is on the top. Itís a ball valve - seems to be in decent condition, but yeah it may need to be replaced.



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Old 11-28-2017, 06:35 AM   #7
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


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Originally Posted by jaketrades View Post
Iíll take a pic later. Iím assuming the drain out valve will be near the bottom of the tank.

The shut off valve is on the top. Itís a ball valve - seems to be in decent condition, but yeah it may need to be replaced.



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Yes, the drain is on the bottom. I usually open the tub valve after shutting water off. The hot lines also have pressure but it should stop dripping. The Sharkbites work by sealing an o-ring so I'd imagine the flux would be an issue. That's some gnarly looking plumbing!
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Old 11-28-2017, 08:02 AM   #8
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


I open all faucets to help water drain. I recall one time where I needed to wait 20-30 minutes for water to fully stop dripping.
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Old 11-28-2017, 05:36 PM   #9
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Replacing shut off valve ... couldnít get main line to stop dripping


Quote:
Originally Posted by de-nagorg;
Depends on which tank you have, a picture would help.



Usually right on the front, a regular garden hose should fit it and the valve looks just like a regular hose bib.



You might need a new shutoff valve to the plumbing.



This is usually right near the top of the tank, to ease in replacement of the old tank when it dies.





ED

Is that the release valve?




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Old 11-28-2017, 06:04 PM   #10
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Quote:
Originally Posted by jaketrades View Post
Is that the release valve?




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Old 12-02-2017, 02:46 AM   #11
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Got the shutoff valve sweated on. I shutoff both the hot and cold, bleed the water tank but there was still a drip in my copper line. But it seemed a little slower than before.

It sweated easily.

Thanks for all the help!!




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Old 12-02-2017, 01:52 PM   #12
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


Make sure you use a plastic spacer between the copper and the steel studs. If you dont they will leak if touching due to rubbing through or dissimilar metals.
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Old 12-02-2017, 01:54 PM   #13
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Replacing shut off valve ... couldnít get main line to stop dripping


Quote:
Originally Posted by Ghostmaker;
Make sure you use a plastic spacer between the copper and the steel studs. If you dont they will leak if touching due to rubbing through or dissimilar metals.


Will duct tape work ?


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Old 12-02-2017, 03:14 PM   #14
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


I would just "bite the bullet" and get plastic grommets, and put in there, won't cost much, and will keep the two metals from having a difference of opinion, and eventually leaking.

Then you will need to do this all over again.

Duct tape is a temporary fix at best.


ED
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Old 12-02-2017, 04:30 PM   #15
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Re: Replacing shut off valve ... couldnít get main line to stop dripping


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Originally Posted by Nealtw View Post
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Shouldn't that heater vent be going uphill?
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