heat transfer, pex vs. copper | Hearth.com Forums Home
2009年4月24日 · Copper is really pretty expensive. 1/2 inch copper is $1.50+ per foot on a quick google search. I could do a very large heat exchanger in pex. I'd rather work in pex, it is a lot …
Water-to-water Heat Exchanger. Wow, soft copper pipe is expensive
2011年3月25日 · With the current prices on soft copper pipe I am not excited about making a heat exchanger for a storage tank. I could go with a aluminum heat exchanger and sacrificial rod, …
heat transfer copper tubing | Hearth.com Forums Home
2009年4月24日 · I have recently come across a section of 3" copper pipe 56" long. Am thinking about trying to build a large heat exchanger to make dhw. Has anyone tried winding 1/2" soft …
3/4" vs. 1/2" copper tubing for heat exhangers?
2008年8月18日 · 3/4" copper has a greater surface area for heat transfer (3/4" x 120' is 23.56 sq. ft. - 1/2" x 120 is 15.7 sq. ft.) and if I fed the tank with 1" pipe to the coils its area is roughly …
Heat Loss from Copper Pipe | Hearth.com Forums Home
2010年12月5日 · great info, thanks. My Dad has a long run of 1 1/4" between his Multi-Heat pellet boiler and his oil boiler. We left the lines uninuslated in order to keep the …
Home-made copper coil heat exchanger - Hearth.com Forums
2013年4月22日 · Using the 26,400 BTU/h rating for 120" of 3/4" copper and assuming that heat transfer is proportional to the diameter of the tube, 1/2" tube will transfer 147 BTU/h/ft. …
Type of Copper Tube for Heat Exchanger - Hearth.com Forums
2011年1月27日 · Am I OK using refrigeration type flexible copper tubing instead of schedule K or L to make a home-made heat exchanger for my unpressurized thermal storage? I plan to use …
Heat raclaimer for pellet stove | Hearth.com Forums Home
2008年1月14日 · It must be different for those burning corn, because I saw a web site ((broken link removed)) a couple of months ago advertizing a heat exchanger that attaches to the vent …
Heat exchanger setup on stove pipe - Hearth.com Forums
2019年3月7日 · Realistically the air moving up the flue is what, 400 degrees. The amount of hot air stripped off by 70 degree room air, moved then to the copper heat exchanger and then try …
What is the recommended way to join hard copper to soft copper …
2009年1月29日 · An adjustable wrench can easily be used to "round" copper pipe. Just adjust it until it has a snug fit around the hard copper. Then put the wrench on the out-of-round soft …