Modcons, boilers with a lower min fire rate than 8kbtu/hr? Future?
It seems like the min fire rate on modcon's has stuck at or around 8000 btu for a couple years. I would love to see a 4000-5000btu/hr min, it means substantially less cycling if you have a micro-zoned...
View ArticleHow many BTUs
I am a customer of the Columbia Gas event that happened in Lawrence, MA. They replaced my 30,000 BTU gas space heater in my basement with a 10' section of baseboard, but it never quite gets to the temp...
View ArticleHelp with HOT Lochinvar Fire Tube Combi boiler
We just had a Lochinvar Noble Fire Tube Combi boiler installed today and it seems to be WAY overheating. The floors are uncomfortable to stand on, and the boiler keeps recycling from 140-165 F...
View ArticlePropane tank draw
I have a couple of 1000 gallon underground propane tanks. One of the tank is drawing and is now at about 20% full while one the other tank, the level needle has not moved in the last 3 month (shows at...
View ArticleGarage heater issue
A 46000 BTU Advanced Distributor Products Gas heater mdl # SEP- 60A-1 becomes intermittent the colder it gets. It’ll heat to the setting on the Lux 500 thermostat at 30 +- but will not fire up...
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Optimizing my ductwork to combat low airflow
Hi All, I've shared many a tale of woe from an ~2500 sf old mostly-masonry house renovation including a new central hydro heat/air system. I won't go rehash every detail but you can see most of the...
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Vent heights for a two pipe sidewall
Hi, Its been difficult to find a discussion online on accumulated snow and vent height. Do both pipes need to be over 30 inches which is what I have on one pipe. The other, exhaust pipe is just a foot...
View ArticleSpace Conditioner
Came across an old furnace with a cast nameplate logo with a small leters on top "es" and large letters (about 3/4 inch =SPACE CONDITIONER Appears to be 60 to 70 yrs old. Any one have info as to...
View ArticleNoise issue w/ Lochinvar boiler
We are having a noise issue with a Lochinvar boiler model# RBN 180. It is one of three of this same model installed in 2004. The three boilers are piped in parallel. One of the boilers makes a humming...
View ArticleBoiler Recommendation
We need to replace a grossly oversized boiler that is also on its last legs and are hoping for some general recommendations given the somewhat unusual configuration we have. The house is a three story...
View ArticleWilliamson-Thermoflo GWA 105 problems
Greetings, I have done a search here and done as much reading as I can, and am a bit stuck/unsure how to proceed. About 5 years ago, a Williamson-Thermoflo GWA 105 boiler was installed for this 1940s...
View ArticleUtica parts----is there a parts sheet
It's a pain calling the vendors everything i need a part 'look up', does Utica have a parts sheet?
View ArticleHow many shut-off valves for hot water cast iron radiators?
I'm putting in a entirely new 2-pipe hot water heating system with cast iron radiators. Should shut-off valves for each radiator be installed on just the supply side pipe or on both the supply and...
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Must I make costly replacement of ONIX with PEX?
I have new a Laars Minitherm JV225NDISU2 natural gas forced hot water boiler with six zones of baseboard. When the previous owner added a kitchen and dining area in 2004 they added the sixth zone and...
View ArticleLochinvar Knight boiler that sometimes makes a loud singular BANG, upon...
Hello All, I have a Lochinvar Knight boiler that sometimes makes a loud singular BANG, upon firing up. It is very similar with the thread from aksteveex from March 2017 in Gas Heating. Ironman had the...
View ArticleMath time: condensate drain on common exhaust
Gang, I have 2 Navien NFB-200s that are exhausting via a common vent. Per Navien's instructions, we put a tee facing downward just downstream from the last unit to catch condensate (otherwise,...
View Articleultra 155 cycles on and off repetitively
My boiler sounds like it is turning on and off over and over all night sometimes. It makes heat though.
View Articleoil to gas conversion
would like to convert my Peerless WBV-3 oil fired boiler to gas, what would be the best gas conversion burner to use?
View Articlequick furnace transformer wiring question
i am replacing an old york 025-21911-001 transformer...while positioning it to snap a pic of the wiring before removing it, one of the wire clips fell off. with the 5 thermostat wires, there were 3...
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