General quaetion about PEX

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Old 03-15-14, 05:51 AM
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General quaetion about PEX

Pex comes in

red for hot water

blue for cold water

and white for hot and/or cold.

In reference to the above, where would one use white, or why bother using red or blue? Sure color identifies temp but copper never had color coding.
 
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Old 03-15-14, 06:10 AM
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I used white on a hose bib which is 99% cold. I installed a dual hose bib once for a plumbing engineer who said it was good for his vegetable garden. We used copper for that.

The fact that copper isn't color coded shouldn't stop us from improving the trade.
 
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Old 03-15-14, 06:17 AM
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There all the same material, it's just to easy to get the hot and cold switched when using just the white. A simple mark with a Sharpe on the outside of the tube as I'm pushing it up inside the wall will work if your using all white.
 
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Old 03-15-14, 11:47 AM
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I understand that some local code amendments require red/blue piping when using flexible/PEX piping.

Having swapped hot/cold on more than one occasion, I think the next repipe I do will use blue/red piping to reduce my potential stupidity factor
 
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Old 03-15-14, 05:41 PM
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For me the red and blue is a more recent thing. Long ago Quest only came in gray. Then PEX came along and was only available in white. Red and blue is great for denoting hot and cold lines but it means you must carry two stocks of tubing and believe me nothing is more annoying than to be on site and run out of one while you have plenty of the other. White is universal but requires you to remember to write H or C on the tubing... or just trust your memory and see what happens.
 
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