Soldering near Pro-Press fitting
Any rules of thumb for sweating pipe near a Pro-Press fitting? Is wrapping the fitting with a wet rag sufficient? How close can to a Pro-Press fitting can you solder? I use map gas, which runs pretty hot.
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Buderus GB142 ... multiple corrosion issues.
A noob here, thanks for all the terrific advice. Hoping to get your views on the following. Pics attached. I've got a new-to-me, approximately 10 year old, natural gas fired GB142 w/ indirect Buderus...
View ArticleSlant Fin Heat Loss Calc Questions
Hi folks, Trying to use the Slant Fin Heat Loss calculator to properly size a new boiler for my 1989, 4k sq ft house that I've owned for about 1 year. However there's a lot of ambiguity in the app that...
View ArticleGas boiler with domestic hot water help.
I purchased a Westinghouse WBRCNG140W boiler with domestic hot water. My question is, I wasn't going to use the domestic hot water section of the boiler unit. Will this hurt anything ? Do I need to do...
View ArticleDid a Heat Loss calc and I'm surprised at the result. What do you think?
So I did the heat loss calc, as suggested, for my 3500 sq ft of heated space (natural gas boiler with baseboards). I have many large double paned windows, multiple rooms with high ceilings, and a bunch...
View ArticleBaseboards and Mod/Cons...What's the word?
Hey folks, As mentioned in my other post, I am replacing my natural gas boiler in my 30 year old house in Massachusetts. I have 3500 sq ft of heated space and it uses baseboards. My slant fin heat loss...
View ArticleNavien NCB-240E boiler makes vibrating noise on startup and 5-10 minutes...
Good Afternoon, We have a new Navien NCB-240 in our new construction home. We use it for hot water and for hydronic heating. It worked perfectly fine for several months, but now started making loud...
View ArticleBypass between supply and return headers / manifolds?
I've got a 3/4" copper connection between my supply and return labeled "bypass". It includes a ball valve with the handle at 45 (versus the direction of flow). Hoping someone can explain its purpose....
View ArticleHeating System Retrofit
Hi, Looking to replace an old oversized boiler with a more appropriately sized mod-con. Additionally, the current system has performance problems; one zone too hot, one zone too cold and one zone just...
View Articlebest gas furnace in 2018?
I found an old discussion from 2008 on the best gas furnace so I thought I would start another discussion. Anyone have any thoughts on the best gas furnace to replace an existing system that is 25+...
View ArticleVaried Formulas For Static Fill Pressure Calculating
Will have a chance Thursday to check/adjust/correct boiler static fill pressure and diaphragm expansion tank air pressure setting. I have already had tank size discussed in a prior thread. Pressure...
View ArticleHTP Hot plastic odors
I have a UFT-100 boiler installed with an SSU-40 indirect water heater with a Caleffi air separator and a Grundfos Alpha II pump(and pressure reducing valve and expansion tank and other assorted...
View ArticleNew boiler. condensing at lower temp with radiators?
I have a couple questions, but I'll give the specs of my system first: currently, I have a 175000 btu/hr weil mclain cast iron boiler that heats a ~4000 square foot house, with some oldschool standing...
View ArticleBosch Greenstar Combi FS151 leaking water
I got a Bosch Greenstar Combi unit three and half years back. It is leaking water. I called my home warranty company (Homeserve). They did some diagnosis with Bosch technical support and concluded that...
View ArticleBurnham Alpine Furnace
An Alpine ALP080 furnace keeps locking out with a fault 27 code. Hired a plumber to service (thankfully only charged for cleaning) didn't find anything wrong and they only thing he knew about the fault...
View Articlehigh gpm combi boilers? two units instead?
I've been planning to install a new boiler, and with some renovation, I can no longer vent anything to the roof. I had written off combi boilers because I will eventually have 5 bathrooms and 2...
View ArticleAnother Mod/Con Boiler Question(s) Please?
Hello Heating Help, I have a question similar to ones asked recently about installing a mod/con gas (propane) boiler with baseboard space heating. I am a homeowner, not a pro, and have been reading...
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Buderus ST120 Indirect Tank Not Looking Good
AFAIK this new-to-me tank is about 11 years old. Noticed a slight drip coming from underneath the top plastic cover and running down the side of the tank. Popped the two access covers on the top of the...
View Articledo combi boilers typically have outdoor reset controls
so, I had been looking into condensing boilers with an indirect tank, but I might be able to use a large combi boiler (liked the Noritz EZ98 at 9.8gpm or EZ111 at 11.1gpm). however, it's hard to tell...
View ArticleRunning gas line to new shed
Hello everyone! I just built a 1500 s.f. shed and want to run a gas line to it for heating. I'm going to be running an 80,000 BTU Mr. Heater and that is all. I will be feeding it from the house which...
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