Heating Help Forumshttp://www.heatinghelp.com/Forumen-ushttp://blogs.law.harvard.edu/tech/rssActiva FrameworkNEW: Strictly: Ros: Homeonwerhttp://www.heatinghelp.com/forum-thread/151344/Homeonwer#p1341850I had a new steam boiler with an extension for hot water baseboard heating installed in October 2013 and need an expert opinion as to whether the system is properly ...Tue, 02 Sep 2014 12:40:39 -0400RE: THE MAIN: Paul48: Informationhttp://www.heatinghelp.com/forum-thread/151343/No-hot-water-after-pilot-out-on-boiler#p1341849Is it a zone valve system, or circulators? In other words, circs for each zone, or one circ and zone valves for each zone?Tue, 02 Sep 2014 12:39:05 -0400RE: THE MAIN: icesailor: Something Specific?http://www.heatinghelp.com/forum-thread/151340/What-do-you-see-wrong-with-this-set-up#p1341848Is there something specific you think is wrong with it? In my minority opinion, other than that wrong and bogus circulator gasket on the boiler side, a lack of specific ...Tue, 02 Sep 2014 12:36:35 -0400NEW: THE MAIN: AdinP: No hot water after pilot out on boilerhttp://www.heatinghelp.com/forum-thread/151343/No-hot-water-after-pilot-out-on-boiler#p1341847Hello, We noticed last night that there was no hot water for showers. I looked at the boiler and noticed the pilot was out. I it is lit now and ...Tue, 02 Sep 2014 12:15:31 -0400NEW: THE MAIN: Le John: Dunkirk DWB Combihttp://www.heatinghelp.com/forum-thread/151342/Dunkirk-DWB-Combi#p1341846Anyone use or install the new Dunkirk DWB Combi Boiler? http://www.ecrinternational.com/secure/upload/document/3522.pdfTue, 02 Sep 2014 11:51:44 -0400RE: THE MAIN: T. J.: Grundfos UPhttp://www.heatinghelp.com/forum-thread/136177/Constantly-purging-air-in-hydronic-system#p1341845Not sure of the exact model number. I'll have to look it up when I get home. The white stuff looks to be calcium, they're hard deposits (I wouldn't say ...Tue, 02 Sep 2014 11:26:47 -0400NEW: Gas: needhelpplease: Venting Gas Insert + Tyvek?http://www.heatinghelp.com/forum-thread/151341/Venting-Gas-Insert-Tyvek#p1341844I am researching installing a direct vent gas insert in my basement. In order to vent it I have to drill through a rim joist, the plywood, through the tyvek, ...Tue, 02 Sep 2014 11:17:52 -0400RE: THE MAIN: SWEI: Nice detective workhttp://www.heatinghelp.com/forum-thread/136177/Constantly-purging-air-in-hydronic-system#p1341843"The weird thing is it seems to have leaked not at the joint, but in the the straight right before the bend in the elbow." Erosion corrosion?  What kind of ...Tue, 02 Sep 2014 11:06:13 -0400RE: THE MAIN: Paul48: Considerationshttp://www.heatinghelp.com/forum-thread/151306/Oil-to-gas#p1341842There are many considerations. First and foremost , should be the end user. It's a multi zone, fin-tube system with at least 2 different curves. Then there is the issue ...Tue, 02 Sep 2014 10:52:45 -0400RE: THE MAIN: gennady: blended temperaturehttp://www.heatinghelp.com/forum-thread/151319/Viessmann-Temp-Sensor-w-Caleffi-SEP4-Hydraulic-Separator#p1341841Isn't it what we want? Outdoor reset sets system inlet temperature, and this is system outlet pipe on separator. Even on Viessmann's LLH we install strap on sensor , not ...Tue, 02 Sep 2014 10:37:25 -0400RE: THE MAIN: T. J.: Glad I read Dan's book on basic hydronics.http://www.heatinghelp.com/forum-thread/136177/Constantly-purging-air-in-hydronic-system#p1341840Last update I posted, I mentioned that after a week, everything seemed to hold pressure....or so I thought. With the city water make-up shut off and and expansion tank isolated, ...Tue, 02 Sep 2014 10:30:31 -0400RE: THE MAIN: HydronicRookie: Thermal Greasehttp://www.heatinghelp.com/forum-thread/151319/Viessmann-Temp-Sensor-w-Caleffi-SEP4-Hydraulic-Separator#p1341839Great pro tip regarding the thermal grease, will definitely get some and use it in either scenario but also insulate the strapped sensor if I don't end up using the ...Tue, 02 Sep 2014 10:07:25 -0400RE: THE MAIN: HydronicRookie: Easy enoughhttp://www.heatinghelp.com/forum-thread/151319/Viessmann-Temp-Sensor-w-Caleffi-SEP4-Hydraulic-Separator#p1341838Thanks for this. It definitely alleviates concern about a peg and hole mismatch.Tue, 02 Sep 2014 10:04:59 -0400NEW: THE MAIN: Ross: What do you see wrong with this set up?http://www.heatinghelp.com/forum-thread/151340/What-do-you-see-wrong-with-this-set-up#p1341837This is a system with some fairly classic mistakes, but I want to get the smart minds of this forum to help explain the shortcomings even better. What do you ...Tue, 02 Sep 2014 10:02:50 -0400RE: THE MAIN: Ironman: Better pics?http://www.heatinghelp.com/forum-thread/151329/Old-House-Single-pipe-hydronic-with-diverter-tees#p1341836Icesailor has over fifty years experience in this trade and I have over forty, but neither of us knows what a "four way" Tee is. Your pic is indicating some ...Tue, 02 Sep 2014 09:24:52 -0400RE: Domestic: icesailor: Smart:http://www.heatinghelp.com/forum-thread/151324/hot-water-demands#p1341835My old and dear friend Max, the electrician has a saying. Whenever I was in a quandary, I would seek him out as someone to throw things around with He ...Tue, 02 Sep 2014 09:19:44 -0400RE: THE MAIN: Roger_at_SorbOx: spark noteshttp://www.heatinghelp.com/forum-thread/151331/two-different-metals#p1341834Here's the spark notes versionTue, 02 Sep 2014 09:13:58 -0400RE: THE MAIN: icesailor: Technacalities:http://www.heatinghelp.com/forum-thread/151331/two-different-metals#p1341833That's way too technical. You'll confuse the Climate Change deniers and they might have a melt down. At a minimum, a case of the O2 Vapors.Tue, 02 Sep 2014 09:07:38 -0400RE: THE MAIN: Roger_at_SorbOx: Oxygen v. Oxygenhttp://www.heatinghelp.com/forum-thread/151331/two-different-metals#p1341832Just to clarify, there is an important difference between Oxygen the element (O), and Oxygen gas molecules (O2). Unfortunately they both have the same name. So yes, all water contains ...Tue, 02 Sep 2014 09:02:26 -0400RE: THE MAIN: Patchogue Phil: Not understanding youhttp://www.heatinghelp.com/forum-thread/143244/Boiler-electric-feed-on-a-male-3-prong-S-O-cord-plug#p1341831"For emergency cut off plugs are often verboten but wall switches are demanded? Can't the latter fuse closed?" Please explain further.  Thanks.Tue, 02 Sep 2014 08:35:01 -0400