3/4" pex pipe in the ground? - Page 5 - Plumbing Zone

njoy plumbing · 03-10-2010, 07:45 PM

Quote:

Originally Posted by AKdaplumba

what happens when you run out of red pipe and your inspection is in afew hours?

RED felt marker

devin horvath · 05-14-2010, 04:04 AM

i would only run apex under ground from the meter in areas that need be fished, like under tricky concrete obstacles like wide side walks or landscape walls. foam insulation inside of wet new concrete or a pvc sleeve, yes. one should stay weary of the shuvels that may pierce that delicate memory poymer. i use the **** thoe- where i feal its safe...

1plumb4uall · 05-29-2010, 04:06 AM

Quote:

Originally Posted by LEAD INGOT

Check me if I'm wrong here Ron, but pex has the same OD as copper, not ID.

I use Upnor Aqua Pex pipe and fittings its ID is true 1/2" / 3/4" / 1" Unlike some of the other brands of Pex pipe and fittings, where 1/2" ftgs are realy 3/8".

Most of the localities around here allow PEX water mains exept they require a special compresion ftg rather than crimp rings.

Protech · 05-29-2010, 05:59 AM

Actually, that's not true. But yes, cold expansion pex fittings do have a slightly better flow rate thru the fittings.

If you build your systems with very few fittings then it really doesn't matter that much.

Quote:

Originally Posted by 1plumb4uall

I use Upnor Aqua Pex pipe and fittings its ID is true 1/2" / 3/4" / 1" Unlike some of the other brands of Pex pipe and fittings, where 1/2" ftgs are realy 3/8".

Most of the localities around here allow PEX water mains exept they require a special compresion ftg rather than crimp rings.

PLUMBER_BILL · 05-29-2010, 10:07 AM

Quote:

Originally Posted by futz

The forum software only allows five pics per post, so here's the last one:

Attachment 5296

Excellent topic. Great Posts One question on C.T.S. Poly with SS flanged inserts. E.G. McDonald Fitt's How tight do you pull up the joint.
Some are saying pull the nuts till they shoulder. {McDonald}
Same for other manufacturers ???

futz · 05-29-2010, 06:56 PM

Quote:

Originally Posted by PLUMBER_BILL

Excellent topic. Great Posts One question on C.T.S. Poly with SS flanged inserts. E.G. McDonald Fitt's How tight do you pull up the joint.
Some are saying pull the nuts till they shoulder. {McDonald}
Same for other manufacturers ???

For Ford and Mueller at least, crank em till they bottom. That's not terribly tight. I use 10" pipewrenches on 1" fittings, and I'm not straining to get the nut bottomed on the thread.

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05-14-2010, 04:04 AM	#42
devin horvath Junior Member Join Date: May 2010 Location: eureka california Posts: 2 My Photos	i would only run apex under ground from the meter in areas that need be fished, like under tricky concrete obstacles like wide side walks or landscape walls. foam insulation inside of wet new concrete or a pvc sleeve, yes. one should stay weary of the shuvels that may pierce that delicate memory poymer. i use the **** thoe- where i feal its safe...