On Sun, Dec 11, 2011 at 3:21 PM, V G wrote: > Ah. Going to build a system with a radiator mounted outside my apartment, > so need a pump that has enough pressure and flow to push through many > meters of tubing. It's pretty cold here in Toronto. I'll move the radiato= r > to inside my (surprisingly quiet and very cold) chest freezer during the > summer. I'm sure you've thought of the consequences of having very cold apparatus exposed to warm moist air. Insulate well. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .