PEX Tubing, connections ?

[toms73novass]

Where have you guys purchased your pex from?

Our local Home Depot carries pex in 3/4" diameter. Would this work well, as compared to online order companies?

Does anyone have a source for PEX brass compression couplings that transition from pex to copper?

thanks

 

[5wndwcpe]

Here's two for ya

http://www.zurnpex.com/

www.radiantdirect.com

 

[wmonroe]

The Home Depot around here carries pex in 500' & 100' roles of 1/2" and 100' roles of 3/4". I just picked up a few of the 500' roles for my floor. I believe they also have all the connections you need.
Will

 

[JCByrd24]

I agree that HD should have everything you need. I bought my oxygen barrier pex for a baseboard hot water install only to realize a week later that HD carried it right next to the other stuff. They also carry Zurn fittings as suggested above, which is what I'm using. Its a great system thats been in use in poly butylene systems for decades. In fact my father-in-law still had the tool which was a bonus for me. I've heard not so good things about the stainless, crimp fittings (the one with the bump) but excellent things about the solid copper band type.

HD will also carry solder copper to pex transitions, not sure about the compression style.

I ordered my tube, relays, and circulators from www.pexsupply.com as well as a bunch of ball valves because they beat even HDs price.

 

[medic583]

Hate to veer off topic a bit... but I just found a site that mentioned the 3/4" tubing and have only seen the 5/8" stuff up until now. Any benefits of going either way (thinking less tubing for larger diameter tubing, yet more expensive fittings)?

 

[5wndwcpe]

I think you should look long and hard at your bend radius of a larger tube. True, you could extend the "on center" dimension utilizing a larger tubing, but you may also encounter areas where the larger tubing is a detriment, ie. making bends when emerging from the slab or going into the manifold etc.

 

[wmonroe]

That is a good point and the main reason I went with the 1/2" instead of 3/4" like I was originally planning. I put my runs 12" apart and that is the most I would feel comfortable bending 1/2".
Will

 

[5wndwcpe]

Here's another site with more information on hydronic heat than you'll probably ever want to know.

http://www.radiantpanelassociation.org/i4a/pages/index.cfm?pageid=1

 

[toms73novass]

thanks for the info.