1/2 \" Wirsbo

New Hampshire Heating

Has anybody tried using 1/2 " wirsbo or compatible for looping out regular baseboard heat? If so is there any guide lines as to how much baseboard and how much tubing can be put on a zone for a 007 pump to push and actually be effective. Like the rule of thumb to regular copper would be no more than 50'of element on 3/4 looping.I typicaly use a 007 to pump and zone valves to control. Any views on this would be great. So far its been working fine everywhere we have done it but I was questioning only because of the source that turned me on to the idea wasnt all that educated.

RELY

pex for baseboard

> Has anybody tried using 1/2 " wirsbo or

> compatible for looping out regular baseboard

> heat? If so is there any guide lines as to how

> much baseboard and how much tubing can be put on

> a zone for a 007 pump to push and actually be

> effective. Like the rule of thumb to regular

> copper would be no more than 50'of element on 3/4

> looping.I typicaly use a 007 to pump and zone

> valves to control. Any views on this would be

> great. So far its been working fine everywhere we

> have done it but I was questioning only because

> of the source that turned me on to the idea wasnt

> all that educated.





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RELY

pex for baseboard

We use it but in 5/8 and have no problem, if you check the book I think 1/2 pex will do about 30,000 btu's 5/8 will do about 40.

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todd s

wirsbo to baseboard

I have done this a few times. I would suggest using the compression type adapters for the connection at the baseboard. I had a tough time using the expander if there wasn't alot of play. Also if you need to double back over the fintube, you might want to use copper so the pex doesn't rub on the fins.

kevin coppinger_4

I use the 1/2\"

a lot when I have small loops (15,000 btu or 25' of baseboard) or less...I also use the expander tool and have not had the problems with the tool Todd talked about. The key is leaving enough play to work with yes not so much that its sloppy. I also use the Grundfos 15-58 so I can adjust the speeds and customize the zone. One thing for sure it speeds up the rough in. The baseboard 90 adapts are a bit pricey though....however they mor than pay for themselves. kpc

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lchmb

makes it

It can make an install very nice. I have done it on a complete install using 1/2. You do need to check with wirsbo to make sure you don't push the loops to far. Another thing to keep in mind is securing it. I like to run it through pvc if it's a long run with no support. If there isn't enough support it makes a bunch of u's..:)

BTW...What part of NH are you in?? I'm in the lakes region..:)

Unknown

their 1/2" multicor product is better for baseboard, doesn't get floppy like Hepex at high water temperatures.

Get a copy of wirsbo's CDAM manual, and you'll be able to calculate all the head loss and flow rates you need, and never have to guess again!

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Unknown

oops!

Unknown

Try PAP for baseboard instead of PEX.

My experience is that the aluminum composite PEX such as Wirsbo's MultiCor is a better choice when running fin/tube convectors.

Size matters. Use the right size pipe for the total developed length and circulator. One size does not fit all.

Try it you'll like it:-)

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