Prices of PEX??

[bimmer1980]

I did a search but did not find a clear cut answer.....

For those of you that have done radiant floor heat in your house or garage, where did you source your tubing from and how much was it per foot or per roll?

I'm suspecting most of you used 1/2".....

What brad did you like the most and why? PEX vs kitec, etc....

I'm planning to order at least 1500 ft of 1/2 pex for my new garage. I will be doing the work myself.

I'm curious to get your feedback!

Thanks!
Brad

 

[Mungo Park]

I got mine local for 50 cents a foot for 1/2". You will also need a manifold to balance the flow/pressure through the loops. With this I got a some fittings to attacht the pex to the mainfold, fittings to pressurize the tubeing with air when the cement was poured. As well as a little box for the tubeing to exit the pad to keep it from kinking or being damaged. I secured the pex to the rebar with zip ties which was the cheapeast option. Also I bought re cycled insulation to put under the pad which was a big saving. Some have bought cutoffs from door factories. I got recyled 2X4 interlocking sheets which were perfect and cut my cost for this to less than half the retail price.
I bought the pex and such from Woolsely, and this was in Canuck dollars.
Cheers Ron.

 

[Burl]

I found Ebay to be a good source. I bought 1000' for around $225 about a year ago, good source for manifolds, too.

 

[Jeepskate]

I went Ebay as well and saved money by buying two 1000' coils instead of five 300' coils...I can sell the leftover and make some money back. I paid about $850 for the PEX, deluxe manifolds, and pressurization kit delivered.

 

[tdkkart]

http://www.blueridgecompany.com/radiant/hydronic/453/rht-radiant-pex-b

 

[walrus]

I used Blue Ridge and bought 300 ft rolls on purpose, may cost more but when it me myself and I doing the work its alot easier to deal with

 

[Dragster Racer]

250' rolls at Menards for $66 I believe. Just put mine in this week.

 

[rlme36]

I used a pexsupply dot com. They have the Pex A product by Wirsbo and I also used their manifolds. The connections by Wirsbo don't get any better, easy to use and no leaks. I bought 4 rolls of 300'

 

[Dragster Racer]

250' rolls at Menards for $66 I believe. Just put mine in this week.

On sale this week for $56 I see.

 

[custom1]

On sale this week for $56 I see.

Dragster, The Pex in that ad doesn't appear to have Oxygen barrier.

I bought 1000' roll of pex-b 1/2" at Blueridge for $275.

John

 

[Dragster Racer]

My understanding is that you do not need an O2 barrier if you will not be using a cast iron boiler. We will probably use a tankless.

 

[custom1]

I don't think you can use ferrous metal anywhere in the system. Including the pump etc.

I know someone who had radiant put in their new house and the plumber I think used regular pex. They later switched from oil to an outdoor boiler to heat with and the system clogged up. The plumber came and flushed it out and blamed it on them using well water in it but I think its the pex. If it is I don't know what he'll use for an excuse next time.

I could be wrong and I'm cheap but I didn't want to take that chance for $100. I might want to hook up solar panels someday and I don't want to have to worry about what they or any piping is made of.

 

[Dragster Racer]

From PIMCO instructions: So I think I am ok without cast iron boiler, but should be careful about using any ferrous parts probably. I think the point is that the inside of whatever is ferrous can rust with the presence of oxygen.

DURA-PEX RADIANT FLOOR PIPING DURA-PEX pipe comes in
either an oxygen barrier or standard grade. Both types of DURA-PEX offer the
same longevity and performance qualities. Typically, 1/2” inside diameter pipe is
used and is pre-cut in 250’ coils. Standard DURA-PEX is rated for potable water
and heating where non-ferrous metals are present in the system. Barrier pipe is
used where it is important to restrict passage of oxygen into the system. This is
critical when using cast iron boilers.