http://www.heatinghelp.com/Forumen-ushttp://blogs.law.harvard.edu/tech/rssActiva Frameworkhttp://www.heatinghelp.com/forum-thread/146297/Mr#p1301751Heatpro makes a great point.I know with Nat Grid they offer rebates on Burnham.If you are not 100% on the Alpine try the ES2 with the Alliance indirect put an ...Sat, 25 May 2013 09:18:55 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301750The focus of this first meeting is collaboration of training/educational initiatives for steam equipment, which is to provide the foundation for further endeavors.Sat, 25 May 2013 08:26:12 -0400http://www.heatinghelp.com/forum-thread/88830/Steel-Pipe#p1301749Here is my understanding as well as my standard practice….A black steel fitting should turn onto a threaded pipe 3 1/2 to 4 turns, by hand,if not something is wrong….This ...Sat, 25 May 2013 08:12:43 -0400http://www.heatinghelp.com/forum-thread/146183/Time-to-choose-a-boiler#p1301748The finished floor will be 3/4 solid oa, no doubt the W.B is better and has thicker aluminum but the S.B is thicker than the zurn the contractor originally wanted ...Sat, 25 May 2013 06:02:23 -0400http://www.heatinghelp.com/forum-thread/146183/Time-to-choose-a-boiler#p1301747If you look at the output charts for given average water temps with r 1 floor covering. SB 105 avg. WT 17.5 btus sf WB 105 avg.WT. 23 btus sf. ...Sat, 25 May 2013 05:50:42 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301746Good points. Phase change is the key to superior thermal transfer! Heat pipes. and the new heat sinks for electronics with internal refrigerant filled microchannels for enhanced heat conductivity are ...Sat, 25 May 2013 01:11:52 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301745but please bear with me for a bit... Today's modulating/condensing hot water boilers are the result of roughly 30 years of technological evolution.  The combined power of mathematical analysis, materials ...Fri, 24 May 2013 23:43:31 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301744agenda of this meeting?Fri, 24 May 2013 23:11:09 -0400http://www.heatinghelp.com/forum-thread/146304/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301743.Fri, 24 May 2013 21:58:47 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301742This is the organization that Steamhead and I addressed last fall. However, they are not just refrigeration.  Their main specialty is training and certification programs throughout North America for all ...Fri, 24 May 2013 21:56:53 -0400http://www.heatinghelp.com/forum-thread/146302/Steam-Assoc-Planning-Meeting-June-21-Chicago#p1301741rses ?Fri, 24 May 2013 21:47:58 -0400http://www.heatinghelp.com/forum-thread/146307/Honeywell-Zone-Control-Question#p1301740Nothing shuts the power off to the valve when open. When power is shut off to the valve, it closes. The coil that operates the valve  is energized by your ...Fri, 24 May 2013 21:26:19 -0400http://www.heatinghelp.com/forum-thread/146307/Honeywell-Zone-Control-Question#p1301739I ran all of the wiring for the ZCV and thermostats through a Taco control unit. Everything seems to be working as it should except for the one ZCV cycling ...Fri, 24 May 2013 21:00:29 -0400http://www.heatinghelp.com/forum-thread/146303/Oil-Boiler-Leaking-Water#p1301738Replace the PRV.Sometimes when they discharge, they will not seal afterwards. Replace and properly mount the expansion tank. Is there a coil for domestic hot water in the boiler?Fri, 24 May 2013 20:57:13 -0400http://www.heatinghelp.com/forum-thread/146307/Honeywell-Zone-Control-Question#p1301737The power for the valve itself should not go through the "end switch". The end switch is just a set of dry contacts that work off the valve position. It ...Fri, 24 May 2013 20:22:51 -0400http://www.heatinghelp.com/forum-thread/146309/Need-to-replace-Oil-Burner-Gonna-have-to-spend-anyway-what-is-the-best-brand-for-reliability-and-efficiency-I-should-look-at#p1301736Buderus and Biasi,but Viessmann,Energy Kinetics and many others are quite good s wellFri, 24 May 2013 20:08:12 -0400http://www.heatinghelp.com/forum-thread/146296/Mitz-sizing-thoughts#p1301735that his design load is somewhat indeterminate, since the owner will probably use them to cool additional areas of the house -- hence my suggestion to compare the minimum modulation ...Fri, 24 May 2013 20:05:54 -0400http://www.heatinghelp.com/forum-thread/146269/I-have-noticed-more-and-more-shotty-work#p1301734before you get to the job. 1 day and I hadn't been there before and all I had to work off of was the before photo and a couple of ...Fri, 24 May 2013 19:25:02 -0400http://www.heatinghelp.com/forum-thread/146257/Ideal-Gas-Boiler-American-Radiator-Company-conversion#p1301733That's interesting that the ven is so similar to that on my trapless Trane vapor/vacuum system; they must have been converging on a similar style for the vapor systems. My ...Fri, 24 May 2013 18:48:23 -0400http://www.heatinghelp.com/forum-thread/146296/Mitz-sizing-thoughts#p1301732You should feel comfortable with the size determined by your load calculation, provided it is ACCA Manual J or their sanctioned partner. Oversizing a mini-split with DC inverter technology could ...Fri, 24 May 2013 18:46:14 -0400