Type L Or M Copper Pipe

11-20-2005, 01:33 PM	#1
bobo Member   Join Date: May 2005 Posts: 127	Type L Or M Copper Pipe hi, just need to know what type 3/4" copper pipe is used for baseboard radiation heat. type m or l? its been many years since i did any repair work on this kind of heating, and i recall one type is thin walled for radiation heat, and ond is thicker walled for typical water pipe to kitchen and baths, etc. thank you, bob

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11-20-2005, 08:53 PM	#2
Mike Swearingen Long-Time DIYer     Join Date: Mar 2005 Location: On Albemarle Sound In Northeastern NC Posts: 1,460	Type L Or M Copper Pipe Type K is the thickest copper pipe (usually outdoor use), Type L is medium thickness, and Type M has the thinnest wall. OD is same-same. Sorry, but I don't know which is best for baseboard heat. Good luck! Mike Last edited by Mike Swearingen; 11-20-2005 at 08:56 PM.