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Posted by steve on December 01, 2007 at 15:19:46:
In Reply to: Re: Convector and recessed radiator EDR calc posted by HeatPro on December 01, 2007 at 11:40:28:
Getting the EDR on the column radiators was no problem. I can't find much information on the recessed radiator or convectors. I'm going to try using tables for new convectors as a ballpark.
How does one run the supply and return? Can you run both in pex through the existing piping? Or do you have to add another set of lines?
Have you encountered a problem where the home just isn't warm enough after a hot water conversion?
Is it ever more costly to heat with hot water than steam?
What is done differently for condensing hot water versus ordinary hot water.
: counting the end sections.
: ++ http://www.heatpro.us/steamtree/documents/13DCC0F93CE9CBF05551C0B19B792902A9F2BE46.html
: : Can all of these work with a hot water conversion? How is this done with a single pipe steam system while keeping the radiators?
: ++ Yes; 1/2-inch tubing is tapped into the other side of the radiators that have a top manifold as well as the bottom manifold in the castings. If the radiators are the one-pipe castings with no top cross manifold, the radiator is changed out.