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Navien NCB 240 flame loss (error 12)
Hi all, A couple times a day, and especially every early morning, I get Error 012 (flame loss) at my Navien NCB 240. I have to reset the boiler to make it work again. I have called the installer...
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Downfiring a 300,000 btu/hr American Standard Steam boiler?
Can one simply throttle back fuel supply by replacing the current gas valve, or is a combination of replacing the valve and burner assemble required? If I have missed the mark, how does one down-fire a...
View ArticleHorn sound on low fire on TT 110
So, I had my gas valve replaced after the tech detected gas during a cleaning. However, the smell is still there and now I am getting this low fire horn sound. It goes away as soon as the burner ramps...
View ArticleSurging on new boiler
Hi, we recently became home owners and came with it a lot of headaches. We just replaced an old leaky boiler with a new Burnham gas-fired steam boiler - please see the picture link below. Since day one...
View ArticleAl294C Stainless, at local vendors?
I need some heating help, we serviced a Viessmann Vitodens, the original installer ran SS pipe to the chimney and (assuming!) ran it up the flue. The rep says Al294C Stainless is fine. I could call the...
View Articleparts list needed for carrier furnace
Does anyone have a parts list, and exploded diagram for the following Carrier furnace:m# 58mxa080-f-1-12p# 58mxa080-f-15112I have a customer with this furnace that needs several parts, and I can not...
View Articlepilot keeps going out
I've been working on a smith gb-100 boiler that the pilot keeps going out.I replaced the thermocouple twice and also the gas valve.The gas valve cured the problem for 24hrs then went out.The boiler is...
View ArticleChimney damage
I was observing the operation of a gas boiler in a 6 family building. The boiler must be 10 years old. I am not sure whether there is a lining in the flue, or if there is one it is a proper material.....
View ArticleHeater not working
We have a brand new home with brand new hvac unit. The heater will not blow hot air. Have no issues with the ac. We've done the following trouble shooting:- unit has a brand new filter- Pilot-less unit...
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tip of the pilot
Hi there, we have a williams gas wall heater that we've been using for a few years. I've just notice that the tip of the pilot is "burned". I was wondering if this is normal. Thanks in advance!
View ArticleDownsizing steam boiler w/oil to gas conversion
Hello All,I have a Utica Starfire 3 steam boiler that has been converted from oil to a Carlin EZ gas burner. The boiler is over sized. Is it okay to downsize the BTU input from 140K BTU to about 90K?...
View ArticleGas Radiator - Pump Not Working - Relay Buzzing
Hi guys, first off, great forum. I have been browsing and have fixed some of my home problems with advice from here several times. I'm not very knowledgeable about Boiler or AC systems in general, but...
View ArticleUpstairs heat not working properly
I live in a one story house with a basement. Both my main floor and basement have separate thermostats. The basement thermostat works great, the upstairs one not so much. I can set the thermostat above...
View ArticleBoiler Stops Heating Periodically, Power Reset Fixes It
My boiler stops heating periodically and I'd appreciate some insight on how to address it.I've got a 3 year old Weil-McLain GV90+ 3 Series 2 boiler. Single zone plus indirect water heat. Taco...
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2 Thermostat- 2 zone valve wiring
Hi folks. Posting a image of my 2 thermostat, 2 zone valve (taco) wiring. I have one open (unconnected) wire from thermostat 2 sheath (brown)Can anybody tell me where that should connect. Thanks, Forrest
View ArticleFiring issue with Carrier condensing furnace
I installed four new burners in a Carrier condensing gas furnace model# 58MXA080-F-1-12, that has been converted to PROPANE . The old burner's ends were collapsed. The furnace is from 2001. After...
View ArticleGas valve diagnostics
I have 24 volts going to an 80% York furnace gas valve assembly, I hear the switch click but no gas comes out. I have 6" incoming gas pressure and 0" on the manifold side. Hot surface igniter is...
View Articlebest gas heater for shed/greenhouse
Hello everyone i'm new here and need some advice. I have a well built shed 12' x 18' and i want to add a lean to greenhouse [21' x 10'. I have natural gas heat [Navian] in the main house. The sheds...
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GAS HEATER IN ATTIC won't come on
Just realized today that the value was not on but turned the value up and knob to on.. No lil flames are showing and the heater instructions say don't light pilot automatic... I'm confused now as to...
View ArticleSpill Switch
Hi, I'm a low skill handyman (just around my own house). I say that because I have no training in HVAC. I have a HearthStone Tuscon Gas-Fired B-Vent Room Heater, propane. It is about 5 years old. Has a...
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