Pressurizing an Expansion Tank on Boiler
Hi I have an Extrol 30 expansion tank on my gas boiler, (hydronic system) and I wanted check pressurization and make sure it's working properly. I am able to isolate the boiler without draining the...
View ArticleAnnoying How Water Radiator Banging Sound
Hey, I have this problem with my bedroom radiator. Whenever I turn on the heating the radiator makes this banging sound for about 20-30min until it fully heats up, then it stops. And when I turn off...
View Articleheat controller inc, gas furnace model # GHJ-95-DH
looking for the correct pilot orifice for this gem, the pilot tube was taken apart and original orifice is lost cannot find any info online, any leads appreciated
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2-zone hydronic baseboard system: zone 2 is always heating
Hello, I just moved into a new home and the baseboard heating has two zones, one for the first and one for the second floor. Even when zone 1 is called, the radiators upstairs get more or less warm....
View ArticleSaunier Duval boiler just heat bathroom's rooms water but it doesn't heat...
Hello; Here we have a Saunier Duval Thema Fast F30 or F35 gas boiler and it turns out that the heating mode does not work while the domestic hot water production mode is working. At least the heating...
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80% Gas Furnace Not Infighting - No voltage to Gas Valve - Soft Lockout every...
My furnace burner isn't producing flame. It was working when it last ran early this year. The only blink code I can get out of it is for "Soft Lockout." 80% Rheem / WeatherKing: 92-101654-01-01 IFC...
View ArticleNEED GAS BURNER ASSEMBLY FOR OLD GRAVITY FURNACE
I have an old Roberts- Gordon conversion burner, Model Number 302-21X-3, Serial No. M3-01117. I may need to replace the entire burner assembly soon, including the horn and flame spreader. Can anyone...
View ArticleHow to diagnose a bad expansion tank?
So my boiler began to burp fluid out of it's overflow valve last week. As I understand it this is often a sign of a bad expansion tank, but my expansion tank isn't waterlogged, I can tap on the bottom...
View Articlegas boiler sometimes doesn't fire
For years my gas boiler will often not fire when heat or hot water is called for. (Radiant floor heat.) I've gotten it to start by swinging the galv. gas pipe back and forth so it touches the sides of...
View ArticleAfter Mod-Con install, should I upgrade baseboard radiators?
Hi All, I'm new to this forum and have a question I was hoping you could answer. Six years ago my wife and I moved into this 1600sf condo in Maine. The heating system was an oil-fired boiler that fed...
View ArticleRadiator loud knocking and not heating
Greetings. I have a single line steam system and all is good, but one radiator in the bathroom isn't heating up. The intake valve seems to get warm, but no part of the radiator itself heats up. In...
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Great hot water boilers.
I got to do some seasonal maintenance on a couple of Aerco Modulex mod-cons today. If you get a chance to get your hands into one, I fully recommend you check out what some next-level engineering looks...
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Two zones heating issue...
My heating system has two zones, one is with CI radiators, while the other is baseboard. This works just fine most of the times, but it is dependent on which zone starts up first. Here's an image for...
View ArticleYork furnace problems
I’m reaching out with the hope that I can get some help with my York furnace as it’s been acting up for the second winter season in a row and it’s beginning to get cold. Last year the furnace would...
View ArticleBuderus antifreeze
I have a Buderus Logano g124x furnace in my home (bought my house in 2019, furnace was installed in 2002). During our annual maintenance visit, the tech noticed a bucket of Utility NoFreez sitting next...
View ArticleCombi-boiler replacement
We have a 15 y/o NTI gas combi-boiler system that is on its last legs. The latest problem is that the valve that switches between DHW and Heat gets stuck on DHW and we have to physically prod it to get...
View ArticleBosch Greenstar Combi 151 Not Maintaining Temp
Hey All, I realize this question/issue has been posted many times before, but I've read through most of the existing info and can't figure out my problem. I have a Bosch Greenstar 151 that does DHW and...
View ArticleHow often do you get the heating curve right?
It's your last day on the job where you've installed a new system or replaced the boiler with a condensing boiler that has outdoor reset controls and it's time to program the high and low water...
View ArticleUpstairs heat not working
I have central gas air and my downstairs is working, blowing heat, whereas the upstairs stopped working. It works for cold air if I turn down the thermostat, but for the heat nothing comes out.
View ArticleGf200
I have a GF 200 that will not start. It is getting gas/ purged the lines. I checked the exhaust which is clear. Any help would be appreciated. Here is a video. https://youtu.be/yugmSuXYhKE
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