Tubing type
Hello, I've found this old tubing in a radiant floor system and I'm not sure if anyone else has seen it before? I'm trying to figure out the lifespan of this tubing.
I don't see the actual lettering of PEX on it anywhere. Thanks!
Comments
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ASTM F876 and ASTM F877 are standards for PEX tubing.
Is this in Canada?
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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It should say directly after the "1/2" lettering if you can find a piece of tubing section.
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0 -
As far as how long this will last… I think alien anthropologist will be looking at our fossil remains 20,000 year from now and that tubing will still be in perfect condition. Kind of like margarine, that lower priced spread.
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
1 -
Doesn't look like oxygen barrier pex though. Does it say oxygen barrier anywhere? If not, it should not be used with anything steel in the loop.
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DIN 4726 is a standard for an oxygen barrier
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It has the ASTM, UPC and NSF listings, that is about as good as it gets for pex radiant tubing.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
This is not in Canada, this is in a system in Michigan.
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Okay, I'm not seeing that yet but I will keep looking, thank you!
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That is my hope lol!
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Great, I was reading those listings as well and was thinking that is a great sign
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I was just reading that online as well, thank you!
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@MichaelT said. "Thats my hope"
What make you so special that the anthropologist will be looking at your fossil remains anyway?
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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lol hoping the tubing is still there for years to come!
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It was manufactured in Canada 10/06/03, it is 1/2". It is printed right on it.
And it is O2m barrier as it has the DIN standard printed on it, and shows Oxy-Perm
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The industry claims 30- 50 years, maybe more. In your low temperature, low pressure system, 50 years is believable.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
thanks hot_rod! I appreciate your help
0
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