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Pex - any plumbers out there?

jasonsbeer

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Can anyone tell me the best way to remove one of these stubs? I want to run a new spigot by connecting into this manifold.
I've installed pex using the stainless steel bands, but have never worked with these plastic bands.
Thanks
IMG_20180106_092602213.jpg
 
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Can anyone tell me the best way to remove one of these stubs? I want to run a new spigot by connecting into this manifold.
I've installed pex using the stainless steel bands, but have never worked with these plastic bands.
Thanks
View attachment 106950

I have never seen anything like this photo with the 6 upwards tubes. What is it, what does it do?
 
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Can anyone tell me the best way to remove one of these stubs? I want to run a new spigot by connecting into this manifold.
I've installed pex using the stainless steel bands, but have never worked with these plastic bands.
Thanks
View attachment 106950
Not sure if its the right way but I removed one by heating the ring up so that I could cut through it easier.
PEX isn't common around here, but looks like an expansion fitting. Heating/cutting is the way to go.
http://blog.supplyhouse.com/propex-fitting-removal/
 

jasonsbeer

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I have never seen anything like this photo with the 6 upwards tubes. What is it, what does it do?
Pex manifold. For hard pipe (copper, pvc, cpvc), all your fixtures are generally daisy chained, that is, connected to one common length of pipe either soldered or cemented together.
I'm not sure how commonly it is done, but compared to hard pipe, pex can be more easily installed with home runs (it comes in long rolls and is flexible plastic). That is, each fixture can have it's own dedicated connection. Hence the manifold where each home run needs a spot to connect to the water supply.
In my house, the cold water is more or less daisy chained, while the hot water is all home run. Since I'm not a plumber, I won't comment on why you would do it one way over the other.
 
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Good link. Thanks!
Glad it helps. Not a plumber, but have grown up diy-ing everything I don't need a general contractor for. Doesn't always work out, but it's usually fun. Lots of people on-line seem to use Pex, but I've only personally seen it when I lived in Maryland. I don't recall many people in AZ or SoCal talk about using it, and it claims to be more freeze resistant, so maybe it's used more frequently in cold climates. Then again, I don't go around inspecting other peoples plumbing, so it might be all over the place. If any real plumbers are around, they'd probably know. Cheers.
 

Almi

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In the colder climates you find it a lot. It is used for in floor heat. Lay the PEX down and they have brackets that will keep it in place and then concrete is pour. You more than likely would have a wood/carpeted floor put down. My BIL has it thru out his house and garage. It is a very nice form of heat as it dose not suck the moisture out of the air like a forced air furnace. Funny thing is that I have not seen the type of connectors jasonsbeer has connected to his manifold.
 

Glassman

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In the colder climates you find it a lot. It is used for in floor heat. Lay the PEX down and they have brackets that will keep it in place and then concrete is pour. You more than likely would have a wood/carpeted floor put down. My BIL has it thru out his house and garage. It is a very nice form of heat as it dose not suck the moisture out of the air like a forced air furnace. Funny thing is that I have not seen the type of connectors jasonsbeer has connected to his manifold.
Those types of connections may be a newer improved version. While pex pipe is very resistant to freeze bursting, it will occasionally split/tear/break at the older style connections from freeze expansion.
 

jasonsbeer

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In the colder climates you find it a lot. It is used for in floor heat. Lay the PEX down and they have brackets that will keep it in place and then concrete is pour. You more than likely would have a wood/carpeted floor put down. My BIL has it thru out his house and garage. It is a very nice form of heat as it dose not suck the moisture out of the air like a forced air furnace. Funny thing is that I have not seen the type of connectors jasonsbeer has connected to his manifold.
Radiant floor heat kicks ass. I don't have it, but houses with it are really comfy. If you watch This Old House, they run pex all the time.
 

jasonsbeer

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Those types of connections may be a newer improved version. While pex pipe is very resistant to freeze bursting, it will occasionally split/tear/break at the older style connections from freeze expansion.
The one in the photo is black plastic. Certainly cheaper than copper, may be more resistant to splitting.
 
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Pex manifold. For hard pipe (copper, pvc, cpvc), all your fixtures are generally daisy chained, that is, connected to one common length of pipe either soldered or cemented together.
I'm not sure how commonly it is done, but compared to hard pipe, pex can be more easily installed with home runs (it comes in long rolls and is flexible plastic). That is, each fixture can have it's own dedicated connection. Hence the manifold where each home run needs a spot to connect to the water supply.
In my house, the cold water is more or less daisy chained, while the hot water is all home run. Since I'm not a plumber, I won't comment on why you would do it one way over the other.

Understand now, sounds like a cold place thing.
 
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