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St. Louis Hydronic Contractor

If you're out there, please look below at the thread, "<a href="http://www.heatinghelp.com/forum-thread/129546/Can-Old-New-Hot-Water-Systems-Be-Combined">Can Old & New Hot Water Systems Be Combined?</a>" and let the owner know how to get in touch with you.
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

Two btu per sq ft for degree difference for a slab
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