Posted by Jeremiah D. Seitz on March 2, 2007, 12:37 am
Hi,
I'm looking to replace my radiators with PEX tubing, but I was
wondering if I had to replace the whole system at once, or I could do
it zone by zone. Is there any reason the two types of systems can't
exist on the same 'circuit'? Pressure requirements, etc?
Thanks in advance,
J.
Jeremiah D. Seitz
Omega Techware
http://www.omegatechware.net
Posted by Loren Amelang on March 2, 2007, 4:25 pm
On Fri, 02 Mar 2007 00:37:05 -0500, Jeremiah D. Seitz
>Hi,
> I'm looking to replace my radiators with PEX tubing, but I was
>wondering if I had to replace the whole system at once, or I could do
>it zone by zone. Is there any reason the two types of systems can't
>exist on the same 'circuit'? Pressure requirements, etc?
If your new tubing is under your floor, and the floor has insulation
value like wood, you might need to run higher temperatures to get the
same heat transfer that you've been getting from radiation directly in
the room. You could always re-balance your zones as needed if they
have appropriate valves.
You might also need a pump with higher pressure capability to force
your fluid through the longer, smaller PEX circuits, but you will need
that anyway so you can install it first.
Loren
Posted by Jeremiah D. Seitz on March 2, 2007, 8:48 pm
wrote:
>If your new tubing is under your floor, and the floor has insulation
>value like wood, you might need to run higher temperatures to get the
>same heat transfer that you've been getting from radiation directly in
>the room. You could always re-balance your zones as needed if they
>have appropriate valves.
The floors *are* wood, so your suggestion would probably be necessary.
>You might also need a pump with higher pressure capability to force
>your fluid through the longer, smaller PEX circuits, but you will need
>that anyway so you can install it first.
You've made my evening. Thank you!
>Loren
J.
Jeremiah D. Seitz
Omega Techware
http://www.omegatechware.net
Posted by nicksanspam on March 3, 2007, 3:39 am
>>If your new tubing is under your floor, and the floor has insulation
>>value like wood, you might need to run higher temperatures to get the
>>same heat transfer that you've been getting from radiation directly in
>>the room. You could always re-balance your zones as needed if they
>>have appropriate valves.
>The floors *are* wood, so your suggestion would probably be necessary.
You might put fin-tube under a basement ceiling...
Nick
Posted by Jeremiah D. Seitz on March 3, 2007, 3:46 pm
On 3 Mar 2007 03:39:07 -0500, nicksanspam@ece.villanova.edu wrote:
>You might put fin-tube under a basement ceiling...
Is that the copper pipe with aluminum fins, used for (older) baseboard
heating, or something specific to a PEX setup?
>Nick
Thanks,
J.
Jeremiah D. Seitz
Omega Techware
http://www.omegatechware.net
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> I'm looking to replace my radiators with PEX tubing, but I was
>wondering if I had to replace the whole system at once, or I could do
>it zone by zone. Is there any reason the two types of systems can't
>exist on the same 'circuit'? Pressure requirements, etc?