Oxygen Barrier

Andrew Hagen (ALH)

An illustration of how important the barrier is. Every nick in the barrier has a little crater of rust around it. This system has been in service since 1998. It had two ECD 115 boilers and Roth pex-c. It now has a Vitodens 15-60.

-Andrew

Constantin

Thanks for sharing!

Your excellent pictures vividly illustrate the importance of treating the PEX piping well and the effects of letting the O₂ barrier get nicked.

Did you have to replace the tubing or why did you notice the discoloration, etc?

Andrew Hagen (ALH)

The carpenters hit a tube

in some Thermofin-C with a screw during a remodel.

I am impressed with how a VERY small nick in the barrier will cause formations like this.

-Andrew

Paul Pollets

Brand??

What brand and type of PEX??

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