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Posted by HeatPro on December 03, 2007 at 00:22:19:
In Reply to: Re: Convector and recessed radiator EDR calc posted by steve on December 02, 2007 at 23:43:53:
Don't ask a GC; ask a plumbing company that has done conversions before. There are many old companies on LI that have done them.
++ Much attic insulation does help. Wall cavity stuffing with loose fill makes a good hobby.
++ An inexpensive boiler like a Paloma with a buffer tank can do the job while being oversized for water heat, then the heat need reduced.
: What support is needed for PEX to handle the heat?
++ Ordinary supports spaced twice as close as with copper tube. Best Pex is Pex-Al-Pex for this purpose.
: No, there really is a small mudroom (used to be a porch) without a radiator, but it is only one side external exposure and a big radiator right next to the door going into the room.
++ Mudrooms were places where people took off muddy shoes, so weren't completely heated. If you want it heated, do the heat estimate and install the radiation needed.
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