Insulpex - DF

Dan Foley

We spent the last couple of days wrestling some Rehau Insulpex for an 11,000 sq. ft. snowmelt system we are working on. This stuff is heavy and hard to work with when cold. We stretched it out and let it warm up in the sun.

The fittings went together nicely and form a tight joint. The concrete box and manhole will end up flush with the finish grade and will house three manifolds.

-DF

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Dan Foley

House

Here are some photos of the house under construction.

-DF

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heatboy

How do you get................

all the primo projects, Dan. It's good to be king, eh? ;-)

hb

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John Jr

Yea but the only problem is Jeff I don't see Steve in any of the photo's. Dan did you leave him in Vegas?

Dan Foley

Flag

Hi John,

Flag was working on another project. He doesn't like to get dirty. You're right, I should have left him in Vegas!

-DF

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Mike Reavis_2

Dan, any comments on design help

from the piping manufacturer? Are the water calculations about the same for pex or pipe?
Mike

Alan(CaliforniaRadiant)Forbes

Even though

PEX pipe is smoother, for some reason it's more restrictive; we typically size up 1 size for PEX runs.


For 100' of 1" pipe at 7 gpm:

PEX - 9 ft. of head

Type L copper tubing - 4 ft. of head

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Dan Foley

Design

Mike,

The entire job is under a consulting engineer out of NYC. They fly him down to the jobsite every three or four weeks.

The snowmelt system will use four Danfoss commercial snowmelt panels. Wirsbo did the calculations, tubing layouts and CAD drawings. Danfoss designed the mechanical room and sized the supply and return pipes to the manifolds based on jobsite measurements. Both are first class companies and a pleasure to work with.

Dominic at Wirsbo dreads my calls as we are now on revision #8 for the snowmelt and radiant layouts.

-DF

PS Mike, I hope to see you at the next RPA meeting which is April 21st in Tysons Corner. I will post the details of this meeting soon.

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Mike Reavis_2

The Meeting made it to my planner

Thanks,

Mike