Shut Off Valve Caps


  #1  
Old 09-22-17, 09:36 PM
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Shut Off Valve Caps

Hello,

Im rehabbing a condo and I need to disconnect the dishwasher & faucet from under the kitchen sink shut off valve. The only problem is that the shut off valve is stuck & I dont want to force it. It's a condo on the first floor. In order to shut the water to the condo they have to shut it off for the entire building.

A plumber is charging me $185 to replace the valve & financially I dont have that right now due to hurricane irma; prepping and evacuating.

What I was think is that the building is having the water shut off on monday, and I can remove the faucet & dishwasher line and install brass caps where the lines go into the valve till I get the new dishwasher & faucet in (in 3 weeks). Can this work? I dont have experience with plumbing.

See attached pictures for references, any advice will be appreciated

Thanks,
 
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Old 09-22-17, 10:19 PM
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It would be better to change the stops while the water is off. If you want to use the compression cap you posted, insert a 3/8" compression ring (ferrule) inside the cap. The cap will not seal without the ferrule and the directions do not state that.
When I want to seal off a stop temporarily I use a regular 3/8" compression nut and a 3/8" compression plug. The plugs are hard to find off the shelf but here's an example: https://fastfittings.com/products/br...mpression-plug.

When I run out of plugs I visit a local plumbing shop, they usually have some plugs laying around. You won't find them in a hardware store.
That said, the cap with a ferrule, and maybe a little Teflon paste rubbed inside the cap will seal the outlet. Do not overtighten the cap.

EDIT: You will have to remove the caps at some point and you're back to square one. You cannot remove the caps with water under pressure, the water will flood the area quickly.
 
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Old 09-22-17, 11:42 PM
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It's a condo on the first floor. In order to shut the water to the condo they have to shut it off for the entire building.
What ?

That's not right. Is this an older converted apartment building ?
Each condo should have its own shutoff valve.
 
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Old 09-23-17, 04:11 AM
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That's not right. Is this an older converted apartment building ?
Each condo should have its own shutoff valve.
Agreed. Something is not to code.
 
 

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