http://www.heatinghelp.com/Forumen-ushttp://blogs.law.harvard.edu/tech/rssActiva Frameworkhttp://www.heatinghelp.com/forum-thread/141451/Does-anyone-have-any-experiences-good-or-bad#p1266292with Geofinity units. Looks like a Canadian company. Trying to find some feedback before I install the first one. Thanks HarvoWed, 16 May 2012 22:45:39 -0400http://www.heatinghelp.com/forum-thread/141448/Lochinvar-listens#p1266291But, I have one that is going on 7 years, and have not had ANY problems with it. This is the Gianonni that has a composite water jacket. Personally, the ...Wed, 16 May 2012 22:44:45 -0400http://www.heatinghelp.com/forum-thread/141450/Heating-n00bie#p1266290You can find all you need in the store here at heating help. I have most of Dan Holohan's books and enjoy them. He has a very practical and easy ...Wed, 16 May 2012 22:31:39 -0400http://www.heatinghelp.com/forum-thread/141449/Is-there-a-steam-boiler-under-75-000-btu#p1266289.Wed, 16 May 2012 22:16:31 -0400http://www.heatinghelp.com/forum-thread/141439/Pex#p1266288Look at using Viega fostapex tubing for hot water boiler systems. This is a full size Pex tubing with aluminum that works as the oxygen barrier plus the aluminum keeps ...Wed, 16 May 2012 22:04:30 -0400http://www.heatinghelp.com/forum-thread/141449/Is-there-a-steam-boiler-under-75-000-btu#p1266287Have you checked Sussman or Thermolux ? Or you can use hot water to steam. Don't have to worry about low water level on steam side.Wed, 16 May 2012 21:15:06 -0400http://www.heatinghelp.com/forum-thread/141450/Heating-n00bie#p1266286hello! I have a general question Im a licensed plumber but i have never installed or serviced a boiler of any kind. Ive been looking for diagrams/ reading material on ...Wed, 16 May 2012 21:13:05 -0400http://www.heatinghelp.com/forum-thread/141309/Treasurer-Condo-Assoc#p1266285Use old steam radiators with new piping. Steel or copper ? Do you use thermostatic valves on each radiator ? On return or supply ? Do you need balancing valves ...Wed, 16 May 2012 21:04:38 -0400http://www.heatinghelp.com/forum-thread/141449/Is-there-a-steam-boiler-under-75-000-btu#p1266284A customer of mine wants me to convert their carrage house boiler to gas. The problem is the house only has 3 rads, about 93 sq ft of steam. A ...Wed, 16 May 2012 20:45:25 -0400http://www.heatinghelp.com/forum-thread/141443/heated-driveway#p1266283Check out www.rehau.com. They have their snow melt design info on their site. Plenty of good info there.Wed, 16 May 2012 20:22:21 -0400http://www.heatinghelp.com/forum-thread/141448/Lochinvar-listens#p1266282Would be the comparison. The boiler Mark posted has a lower firing end and the smallest 100 is 93k input. I love the approach but just not a fan of ...Wed, 16 May 2012 20:20:21 -0400http://www.heatinghelp.com/forum-thread/141448/Lochinvar-listens#p1266281Thanks Mark for posting. Talk about low mass! Great as a small (size & btuh rating) boiler, but in any application that requires more than the combi can handle in ...Wed, 16 May 2012 20:04:24 -0400http://www.heatinghelp.com/forum-thread/141443/heated-driveway#p1266280Are you in. Generally need 120 btu/hr per sqft in a 0 degree climate. How ma y sqft of of melt are you doing? That by the way is to ...Wed, 16 May 2012 19:50:10 -0400http://www.heatinghelp.com/forum-thread/141448/Lochinvar-listens#p1266279A Giannoni hx? Love the low end but not a fan of the hx if it is what I think it is. Just too many bad past experiences with it. ...Wed, 16 May 2012 19:44:06 -0400http://www.heatinghelp.com/forum-thread/141448/Lochinvar-listens#p1266278AND responds. We've been telling ALL high efficiency manufacturers to come out with a good quality, low input, high turn down boiler for smallish applications, and those super insulated homes ...Wed, 16 May 2012 19:31:44 -0400http://www.heatinghelp.com/forum-thread/141446/Heat-Load-for-greenhouses#p1266277Single pane would be R 1 to 2, double pane could be R 3 to 5 (with gas) and triple pane could be R 5 to R 7 (also with ...Wed, 16 May 2012 19:21:33 -0400http://www.heatinghelp.com/forum-thread/138595/Glass-Lined-versus-Stainless-Steel-Indirect-HW-Heater#p1266276Want the mack daddy of all stainless tanks? http://www.viessmann.ca/etc/medialib/internet-ca/pdfs/tanks.Par.84646.File.tmp/Vitocell-V_300_TDM.pdf You will pay top dollar but be assured its the last tank your customer will ever purchase. Max chloride acceptance before ...Wed, 16 May 2012 19:13:44 -0400http://www.heatinghelp.com/forum-thread/141447/Choosing-an-Indirect-Hot-Water-Heater#p1266275Hi, I'm new to this board and have previously posted this to an earlier thread. I thought it would be better to start a new thread. I am a general ...Wed, 16 May 2012 18:43:14 -0400http://www.heatinghelp.com/forum-thread/141446/Heat-Load-for-greenhouses#p1266274How do you do a heat load for a greenhouse? there's no walls, only glass. A little help please.Wed, 16 May 2012 18:40:54 -0400http://www.heatinghelp.com/forum-thread/141402/boiler-feed-on-or-off#p1266273I haven't read the instructions for PRVs in a long time , but I believe some state to leave the valve open and some want it closed . Why not ...Wed, 16 May 2012 18:23:54 -0400