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Old 12-07-2012, 11:09 PM   #31
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Sharkbite Fittings


Quote:
Originally Posted by jbfan View Post
Not getting into the cost of business, but expalin this question for me.
We use them at work, but never heard anything about pipe dope first.
I believe it was in reference to this, but not sure
when to use teflon tape?

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Old 12-07-2012, 11:37 PM   #32
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Sharkbite Fittings


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Originally Posted by TheEplumber
I believe it was in reference to this, but not sure
when to use teflon tape?
I couldn't help myself, lol. I know we've already got into a debate about dope on flare fittings and unions (which I am opposed to) but when I saw someone admit to using itside the female side of flare fittings and unions, I was appalled.

Last edited by hvac benny; 12-07-2012 at 11:39 PM.
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Old 12-08-2012, 07:29 AM   #33
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Sharkbite Fittings


The question of longevity is a simple one for me:

1) A SB fitting relies on a rubber o-ring to make the seal. That o-ring will fail at some point - probably not "catastrophically", but it'll begin with a little weeping, then develop into a pin hole leak which is exactly what you were trying to fix the first time around.

2) The fewer parts required to make a fitting, the less opportunity there is for it to fail. (Lots of little bits and pieces in a SB). A brass PEX coupling is just one solid piece - nothing to go wrong unless there's some factory defect in it.

3) Quality of the materials. When working with PEX, I prefer brass fittings to EP (engineered plastic) fittings. Expansion connections are also better than any of the others (crimp rings, clamps, SB, compression, press).

That's why I relegate SB to the handyman category. They'll save you some time and get you out of a jam with little to no money invested in tools or training. They're a decent product, but not at all comparable to a proper PEX expansion ("ProPEX") connection.

Last edited by Ishmael; 12-08-2012 at 07:39 AM.
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Old 12-08-2012, 07:33 AM   #34
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Sharkbite Fittings


Quote:
Originally Posted by Ishmael View Post
The question of longevity is a simple one for me:

1) A SB fitting relies on a rubber o-ring to make the seal. That o-ring will fail at some point - probably not "catastrophically", but it'll begin with a little weeping, then develop into a pin hole leak which is exactly what you were trying to fix the first time around.

2) The fewer parts required to make a fitting, the less opportunity there is for it to fail. (Lots of little bits and pieces in a SB). A brass PEX coupling and is just one solid piece - nothing to go wrong unless there's some factory defect in it.

3) Quality of the materials. When working with PEX, I prefer brass fittings to EP (engineered plastic) fittings. Expansion connections are also better than any of the others (crimp rings, clamps, SB, compression, press).

That's why I relegate SB to the handyman category. They'll save you some time and get you out of a jam with little to no money invested in tools or training. They're a decent product, but not at all comparable to a proper PEX expansion connection.

This is the kind of informative answer I was looking for, whether pro or con. Guess I should have done a poll instead.

Thanks

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