Basement zone

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steviep

Member
Aug 13, 2008
72
southeast NH
I have a airtherm modine, I say that it is 18" x 24". I don't know the Btu's, but I am think of adding a couple of cast iron steam radiators in my celler. Do you guys think I can use 3/4 pipe or should I just bite the bullet and run 1 inch.
 
I'll agree that more info would be helpful, but I'll also mention that I have been running all of my heat loads except storage with 3/4" with no problems - even the DHW and hot tub, which are each in the 60,000 to 100,000 BTU/hr range.
 
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