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6 Mar 1999 at 7:36 pm
#305751
Jim Krug
Participant
: What type of rigid three-quarter copper pipe is recommended for connections to baseboard radiation? The thinner(type K?) or thicker(type M?)? : The house is on a crawl space and the boiler is 120,000 btu input.type m copper is what we use k is thickest then L then m then dwv then w which is what baseboard heaters are made of.