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stmbtwle

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Reply with quote  #1 
Came across these in a Home Depot ad this morning, seems like they might make the construction of a hydronic collector less labor-intensive.  Haven't used them.

http://www.homedepot.com/p/Ultra-Fin-10-in-Aluminum-Plates-with-Turn-Keys-for-1-2-in-Tubing-Box-of-100-UF4010/206412320?cm_mmc=socialmedia%7Cfbdpa%7CVL%7CY%7CDTRH%7CMPA

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KevinH

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Reply with quote  #2 
They make contact all the way around the tube which should be a plus for heat transfer (see 2nd picture in link).  Those clips would have to be strong enough to maintain good contact with the tube.

Kevin H
stmbtwle

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Reply with quote  #3 
Could always add silicone or some other heat-transfer medium if needed.  The clips being springy would self adjust for expansion and contraction, too.

I was just thinking it would be a lot easier to assemble than fastening everything to a backplate.


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Thor

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Reply with quote  #4 
Good find!
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gbwillson

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Reply with quote  #5 
Too bad you have to buy in groups of 100. Maybe split with someone. The price per each sure looks good!

Greg in MN
stmbtwle

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Reply with quote  #6 
Not as good as it looks... it takes TWO to make ONE "fin". My guess a box of 100 would just about do a 4x8 collector.

More info: http://www.ultra-fin.com

Might not be as suitable for collectors as I originally thought.

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SolarInterested

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Reply with quote  #7 
Quote:
Originally Posted by stmbtwle
.. More info: http://www.ultra-fin.com Might not be as suitable for collectors as I originally thought.

Definitely a different concept:

 

Quote:

Other hydronic radiant heat technologies rely on direct contact between hot water tubing and concrete slabs or metal transfer plates. This can present a minor hazard due to the tubing being in direct contact with your floor.

With Ultra-Fin® the heat from the hot water tubing is simply transferred to the louvered aluminum Ultra-Fins®, and the Ultra-Fins® generate hot air convection currents in the joist spaces. The heat then spreads naturally upwards and throughout the living space.

 


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Both temperature rise and airflow are integral to comparing hot air collectors
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