panel rads and 1/2 pex al pex

clammy

I am installing buderus panel rads with the by pass isolation valves ,i am using uponor pex al pex and i an having a hard time finding the correct fitting to tie the pex al pex to the valve ,i believe it's a r20 thread exept the bore on the inside is a bit larger so the o ring does not  set .any help would be great not many if anybody around here uses pex al pex at least the supply houses i go to they special order it when i need it and i am using the qs fittings thanks clammy

ChrisL

Pex fitting

Clammy,

More than likely, the threaded part of the fitting is for a larger size pex.  I just had this same problem the other day.  Upon closer inspection, the threaded nut/collar was labeled 1/2, while the nipple with o-ring was labelled 3/8.  Apparently, the factory mispackaged the assembly, as it was in its original sealed bag.  Result was same thing, the nut would not compress the ferrule.



Regards,

ChrisL

Paul Pollets

Pex nuts for WPR

You need the Euro cone pex nuts, which have deeper threads than the standard QS20.  Your radiator dealer should stock them. If not, try Thermal Products in Seattle or Blueline Supply in Jackson Hole, Wy.

CMadatMe

Part#

I posted this on the other thrread.



Wirsbo part # is D4120500 1/2" MCL Compression Fitting Assembly R20 Thread or D4020500 1/2" MCL Press Fitting Assembly R20 Thread

Mark Eatherton

Personal preference

transition to copper before going through floor and connect to rad with coper.



Why? It keeps the teenager on the other end of a vacuum cleaner in check....



PAP dings up fairly easily with a vacuum cleaner



ME

Devan

Needed from Buderus

Need the adapters for pex from Buderus. I've use them on the multi cor from uponor

No problems yet!

clammy

still looking

The uponor qs set up does not compress the o ring the bore of the valve is larger ,as for my stocking buderus dist they are kinda clueless about the asseessaies,i usually do transition from copper promblem being the second and thrid floors  and i would rather not cut open the cielings or the floors .Also does anyone have any part # for a 1/2 isolation drain valve for the towel racks i have seen them but i may be alone thanks for the help peace and good luck i'll be posting this set soon  clammy

CMadatMe

Clammy I know who may have them

Paul Ross up at Hydronic Alternatives may have what you are looking for. Check out his web site [url=http://www.hydronicalternatives.com]www.hydronicalternatives.com in the radiator accessories section. I know that he has a type of QS ftg as I get them from him when I get his integral panel rads. He also has towel warmers so he maybe able to help you their also. His line comes from across the pond so I am sure he;ll have what you need. Give them a call and let him know I gave you his name...



Chris

clammy

oventroup multi flex

Thanks Chris i'll give them a try .It's pretty hard trying to get sales and counter guys to understand what i want and need they say why can't you be normal why do you need all this european stuff that so new ,i state it's not new only new to this country but on the other hand there the first ones to sell you a mod con and not know much about them .It's sad i figure in another 20 years maybe the european way of  using low temp,panel rads ,TRV and design a full system ultizing low temp to take advantage of what mod con are capable of will truely take a while ,as for all the mod con that are running hi temp well i believe that they will be doomed to early failure due to the fact that where they are being installed they probalby don't see temps above 164 ,thanks again chris soory for the rant peae and good luck   clammy  now off to work

CMadatMe

Did You Get

A chance to call them? Curious to see how you made out.

clammy

no help

i gave them a call and they basically seemed like they where a little clueless and probalby only sell there package system as they recieve them justa middle man but none the less i found the nut ,ferral and proper o ring one from watts legend manifold parts just as a chance i stopped at the supply house and was BSing with my buddy and i noticed a uponor box under a desk so i took a look and found the a stainless compression set up grab it and it matched up perfect ,so hopefully it will tighten up i can't see why it would not work fine thanks anyway peace and good luck clammy

CMadatMe

Who did you talk too?

That's unsual. I'm acutally a little shocked to be honest with you. Did you speak with Paul of Steve?

Devan

part#

Here is the part number to connect radiators:



Buderus 1016874 compression fitting adapters 16 x 2 mm x 1/2" pex



who ever sold you the rads should be able to get these from Buderus

Dom DiMambro

Oventrop

Oventrop makes same fitting part # 1016874

nagyordog

Buderus pex compression fitting

Hello, are you saying that the Uponor (Wirsbo) D4120500 can substitute for the Buderus 1016874? I need to use these compression fittings for a 1/2 Pex application going into a Buderus Diverter valve.