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Old 06-17-2013, 09:18 PM   #1
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What is this?


Was poking around in my basement and notice this. Looks like some kind of water line? The other end isn't attached to anything.

I'm afraid if I remove it, I'll have a leak.
Is this kind of like a "scotch lock" they use in wiring? Is there a pin hole in the copper under this?
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Old 06-17-2013, 09:26 PM   #2
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What is this?


That is a piercing valve. Most plumbers hate them. They end up leaking as time goes by

It either fed your refer or a make up water line to a piece of HVAC equip. in your basement.
If you unscrew the tee handle water will come out the hose. I suggest, when you get around to it, turn off the house supply, remove the valve, cut the pipe at the small hole and rejoin it using a "shark bite" coupling.

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Old 06-17-2013, 09:28 PM   #3
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What is this?


It's a needle tap for an icemaker most likely. Yes, don't try to remove it. It will leak. Don't turn that little handle to the left, it will open and "leak".
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Old 06-17-2013, 09:32 PM   #4
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What is this?


Ok thanks guys. The other end does come out at the furnace but isn't attached to anything.
Out of curiosity, what would you use this in HVAC for?

Instead of putting a piece of pipe or a shark bite in, can I put a drop of solder on the pin hole instead?
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Old 06-17-2013, 09:39 PM   #5
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Instead of putting a piece of pipe or a shark bite in, can I put a drop of solder on the pin hole instead?[/QUOTE]

IMO, that would be like putting a piece of bubble gum in a hole in a dam. It just wouldn't hold the pressure. E's got the best advice if you want to fix it down the road sometime. Sharkbites are quick, easy and require no soldering and are just as good as soldering.

If it's not leaking, don't mess with it until you are ready to fix it properly.

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Old 06-17-2013, 09:40 PM   #6
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don't solder it- it won't hold. Plus if you have any water in the pipe, the solder won't get hot enough. That's why I suggested a shark bite. It' easy to use in wet conditions
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Old 06-17-2013, 09:44 PM   #7
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Ok thanks! I will put a shark bite in. I don't want it to leak and have had good success with them on my hot water tank install.

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Old 06-17-2013, 09:44 PM   #8
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What is this?


Quote:
Originally Posted by Squints View Post
Out of curiosity, what would you use this in HVAC for?
Probably went to a humidifier at one time.
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Old 06-17-2013, 09:59 PM   #9
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Quote:
Originally Posted by Squints View Post
Ok thanks guys. The other end does come out at the furnace but isn't attached to anything.
Out of curiosity, what would you use this in HVAC for?

Instead of putting a piece of pipe or a shark bite in, can I put a drop of solder on the pin hole instead?

Oh... then it's not an icemaker.... it was a humidifier that at one time was attached to your furnace plenum or ducting.
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Old 06-19-2013, 08:03 PM   #10
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What is this?


Quote:
Originally Posted by TheEplumber View Post
That is a piercing valve. Most plumbers hate them. They end up leaking as time goes by

It either fed your refer or a make up water line to a piece of HVAC equip. in your basement.
If you unscrew the tee handle water will come out the hose. I suggest, when you get around to it, turn off the house supply, remove the valve, cut the pipe at the small hole and rejoin it using a "shark bite" coupling.

Hey E you gonna start with the sharkbite thing again
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Old 06-19-2013, 08:07 PM   #11
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Quote:
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Hey E you gonna start with the sharkbite thing again
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Old 06-19-2013, 08:56 PM   #12
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I'm thinking that it was used to slowly inject mind changing chemicals into the water supply.....





But chances are it was just for a humidifier....
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Old 06-19-2013, 10:40 PM   #13
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Quote:
Originally Posted by ddawg16 View Post
I'm thinking that it was used to slowly inject mind changing chemicals into the water supply.....
The water supply for members of this forum, yes.

By the way, fixing that is practically an advertisement for SharkBite. That and PEX are the best things to ever happen for DIY plumbers. No fire, no molten metal, easily undone if needed, and you can always work on wet pipe.
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Old 06-20-2013, 07:01 PM   #14
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What is this?


I'm hoping the white wire with the bare end was used as a pointing device by you when you took the picture and not a bare wire hanging around.

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