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Old 10-25-2015, 10:23 PM   #1
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bad stop valves


I have two stop valves in a basement sink that are bad; neither of them close. House was built in mid 70s. What are my options for replacing these? Do they need to be cut out and new ones soldered in or replaced with a valve with compression fittings? This will be one of my first sort-of-slightly-ambitious plumbing projects so I am going to get a lot of new experience out of this.
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Old 10-26-2015, 02:33 AM   #2
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I'd have a blast rebuilding those and be so proud it was a DIY job when finished.

If I were to replace they would be soldered in.
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Old 10-26-2015, 07:28 AM   #3
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How is it connected at the faucet?
Is it soldered to it?
Issues your going to face:
There's no way by the looks of it to drain the water in the line so it's next to impossible to unsolder the old valve, it will not get hot enough.
That style valve is always going to be an issue, "rebuilt" or not, stems leak, dirt gets stuck in the gate or globe seat, stems get stuck and break off.
How to fix this depends on how it's connected at the faucet.
What was your plan that you needed to shut it off?
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Old 10-26-2015, 07:45 AM   #4
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Can always leave them in place and put new ball valves before or after them as space permits.
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Old 10-26-2015, 07:59 AM   #5
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That's what I was thinking Bob.
But what to replace it with depending on how they connected it to the faucet?
I just hate it when they hard pipe it all the way to the faucet.
May get more flow, but sure makes it harder to change out the faucet.
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Old 10-26-2015, 12:50 PM   #6
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Thank you for this really helpful feedback. (Starting to feel like I'll need to do a warm up project or two before starting this one.)

Would love any other thoughts you'd have on this setup. Here are more pics. Sorry about the horror show aspect. The neighborhood legend is that this house was built carefully, then "a bunch of friends plumbed and wired the basement for beer" so someone could live on that floor, then a foreclosure and tax sale, then lots of burst pipes (Maine!), then more basement renters and not much oversight, all of which added up to a nice discount when buying.

It looks like the connection to faucet is not soldered? The faucet is toast so I wanted to replace that after the shutoffs were fixed.

It seems like I could add new valves in the back?

I didn't think about the drain issue. I would have put the torch on that forever and wondered "why isn't it working?" I do wonder if I drain the rest of the house, if I could hacksaw that line open and drain to a bucket since those short sections of pipes holding the fittings would want replacing.

The hot water seems to be drainable.

Pics below! Thanks again!
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bad stop valves-p1170459.jpg   bad stop valves-p1170460.jpg   bad stop valves-p1170461.jpg   bad stop valves-p1170476.jpg  

Last edited by blakekr; 10-26-2015 at 12:53 PM.
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Old 10-26-2015, 07:05 PM   #7
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those are copper faucet supply tubes....judging by the looks of things could be a little tough for the average home owner...maybe just shut off water and rebuild valve..see it all the time new washer and screw....
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Old 10-26-2015, 07:18 PM   #8
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Wonderful, I will give rebuilding a try first. Thanks! More soon Im sure! I really appreciate the practiced eye and your thoughts on how to approach it.
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Old 10-26-2015, 08:31 PM   #9
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Your best bet and easiest is going to be shutting down the water to the house, either rebuilding or you can buy the insert to replace it. Buying the insert is a little more pricey than just changing the rubber washers, but than you know its new and nothing else is possibly warn out.
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