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Old 24-04-2019, 15:37   #1
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What kind of pex is this

Hi All .. I have a Catalina 350. Attached is a piece of pex from the galley sink. Note the white core. It also is a slightly different diameter for fittings etc. can some tell me what itís called a where I can get it ... tx .. Dennis
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Old 24-04-2019, 16:55   #2
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Re: What kind of pex is this

That looks more like reinforced vinyl hose than pex to me.
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Old 24-04-2019, 17:07   #3
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Re: What kind of pex is this

Good point ...It is not labeled at all. I will call Catalina in the morning but where would you find this stuff!! Tx
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Old 24-04-2019, 19:15   #4
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Re: What kind of pex is this

Is this it?

https://www.fisheriessupply.com/trid...d-pvc-hose-red
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Old 25-04-2019, 08:37   #5
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Re: What kind of pex is this

possibly in-f
More Options Available
The Plumber's Choice 1/2 in. x 1000 ft. PEX Tubing Oxygen Barrier Radiant Heating Pipe in Red
Model# POBR121000
(3)
loor heating


bill







Quote:
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Hi All .. I have a Catalina 350. Attached is a piece of pex from the galley sink. Note the white core. It also is a slightly different diameter for fittings etc. can some tell me what itís called a where I can get it ... tx .. Dennis
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Old 25-04-2019, 09:17   #6
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Re: What kind of pex is this

At one time some years ago Pex was available in white and red. Red was to be used as the hot water lines. Not sure if there was any real difference. Haven't seen this on the shelves lately.
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Old 25-04-2019, 12:27   #7
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Re: What kind of pex is this

If you call Frank Buttler President from Catalina yachts in Florida he will answer your question. He takes customers happiness very seriously
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Old 25-04-2019, 15:05   #8
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Re: What kind of pex is this

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I tend to believe itís not that either. If you zoom in closely on the original photo you can see what appears to be the nylon reinforcement threads poking their severed heads just proud of the cut.
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Old 01-05-2019, 05:44   #9
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Re: What kind of pex is this

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Originally Posted by kingofcary View Post
Hi All .. I have a Catalina 350. Attached is a piece of pex from the galley sink. Note the white core. It also is a slightly different diameter for fittings etc. can some tell me what itís called a where I can get it ... tx .. Dennis
Looks very much like Watts radiant heating hose. I used it when installing my hot water system. The stuff I have is meant to bleed oxygen through the membrane to avoid water hammer.
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Old 01-05-2019, 08:25   #10
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Re: What kind of pex is this

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Looks very much like Watts radiant heating hose. I used it when installing my hot water system. The stuff I have is meant to bleed oxygen through the membrane to avoid water hammer.


Actually, the oxygen barrier is to prevent oxygen permeation of the hose. If oxygen is allowed to permeate the hose, iron components of the heating system will corrode.

A barrier does not allow the passage of oxygen.
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Old 01-05-2019, 08:55   #11
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Re: What kind of pex is this

Looking at the clamp in the picture my conclusion is that it is not Pex but a softer material.
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Old 02-05-2019, 04:05   #12
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Re: What kind of pex is this

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Originally Posted by nortonscove View Post
Looks very much like Watts radiant heating hose. I used it when installing my hot water system...
Not to me. Watts Radiant - Onix
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Old 02-05-2019, 06:25   #13
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Wink Re: What kind of pex is this

Nope, that's a PEX clamp
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Looking at the clamp in the picture my conclusion is that it is not Pex but a softer material.
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Old 09-05-2019, 15:32   #14
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Re: What kind of pex is this

So, OP.....what is this mystery material?
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