Weil Mclain ultra 155 series 2 Digital display dead
I have a Weil Mclain ultra 155 series 2. I have to often reset it when it heats domestic hot water as it goes too high. Today it was flashing code E 05. I hit the reset and the entire digital display...
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Very strange boiler problem
Okay so I noticed a couple of days ago that my gas boiler was acting strange. I turned on the heat on my thermostat and my radiators were heating up. But after about 20 mintues the radiators weren't...
View ArticleAll-electric replacement for Munchkin?
My first time posting here. We have a Munchkin MU-199M that was installed in 2007 and may need to be replaced. I’d like to avoid another gas boiler if possible because my plumber (who’s serviced the...
View ArticleAmerican Standard control board flashing 3x
It's a large, old, poorly insulated house, heated by two American Standard 105,000 BTU 80% efficient approx 10-year old furnaces. They are twinned together and I refer to them as F1 and F2. Several...
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Cracked Heat Exchanger?
I have a very long thread on here with all of the issues I’ve had over the last few months, but thought I’d repost with a more direct question for those not inclined to wade through 6 months of...
View ArticleBOSCH T9800SE 160K BTU having Heating Problem Water Flow Rate shows 0.3gpm No...
Hi there, I need help from BOSCH Experience exports those who have knowledge about this BOSCH. We have BOSCH T9800SE 160K BTU Machine, and we have Heating problem from last full Winter 2022-2023. When...
View Article20 Year old Munchkin, efficient house, looking for next steps
This is a 20 year old house, I use 400 therms of natural gas to heat it for the year, heating zone 5. Heat calculation yields a 14K BTU requirement, Manual J close to 24K BTU. Currently with an 80k BTU...
View ArticleWayne Conversion Burner - Direct fire ignition module problems?
Thanks in advance for your help! I have a Weil McLain oil Boiler with a Wayne HSG200 gas conversion burner in it. It has been giving me nuisance lockouts for a few months now, but it always started...
View ArticleHeating season over
The heating season is over, do I drain my steam boiler, run some rectorseal or surgemaster in boiler before draining, do I not need to drain water if not being used till next heating season? What do...
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New zone with one vent
Hello everyone, I have central HVAC system. Bosch Gas furnace, 120,000 BTU, forced air, up-flow (Model: BGH96M120D5) with currently 2 zones ( 1st floor w 2 dampers and 2nd floor w 1 damper). Basement...
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Radiant floor with poly b replacement boiler
Hello, I want to replace my boiler for my roughly 200sq foot radiant floor heating. The floor has poly b piping with brass fitting from what I can see. I'll attach info on my current boiler. I...
View ArticleNew Furnace sparking - blue lights when it operates
My daughter in Portland OR rents a home. the landlord replaced the furnace 4 months ago. When it operates, there are ticking noises and when looking into the air intake, you can see blue sparking. It...
View ArticleFrom letters to the editor @ the WSJ
Mr. Lieberman has some worthwhile gripes about washers that take forever to wash poorly, but he struck out in his complaints about gas-furnace regulations. Regulators are trying to encourage the...
View ArticleBurner Flame Mystery
Try this. On any fossil fuel flame, whether on a water heater, or a boiler or a furnace, remove the sheet metal so the flame is open to the room, lean close to the opening, and clap your hands in front...
View ArticleNti ftvn 101 error code
How do I clear nti ftvn 101 error code ? Pressure is at 20 and I’m pretty sure the other things mentioned in manual for this code are as they should be.
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Coil Replacement
AO Smith boiler coil replacement. Looking for a company to manufacture direct fire copper heat ex-changers. Water is non-potable as it is for a hydronic system. AO Smith tech support is lost and has...
View ArticleBurnham Alpine 210 stops heating water but thinks it's hot
I bought a new construction home in NH in Oct 2014 that has a Burnham Alpine 210 boiler in basement using Propane and FHA. House is about 4000 sq.ft. has 5 zones, 2 on 1st floor, 3 on second floor,...
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Crystal Ball prediction 15% Consumer drop
Actually not even close for all the increases the past 3 years but seeing a December rate decrease of 15% is encouraging
View ArticleGas piping
Hello All, I need a little help in finding out about allowable fitting location on gas piping. I looked in the NFPA54 book and could not find what I needed. I have a job that has a union in the middle...
View ArticleGravity fed boiler OLD
So today I saw an American Radiator & Standard Sanitary Corp, Old gravity fed boiler system without a PRV, no low water cutoff,no manual reset aquastat, no roll out no spill switch hardly any...
View Articlegreen light
has a Utica MAC-150 Combi which intermittently has a flashing display screen. The screen is green in color when flashing. There doesn't seem to be any other issues with performance of the...
View ArticleWeil McLain CG-t5 boiler Water temp stops at 180 , L-Aqua set @140, H set@ 210
Replaced Boiler aquastat , applied contact cleaner to all cont. Bd, terminals, tried new 3way valve as a test -same results , tried 3 diff. mix valve positions -same results- Heating not being used at...
View ArticleBURY HEATING PIPES NEAR BASEMENT EXTERIOR WALL IN CLOSED CELL SPRAY FOAM
Finishing basement and want to place copper and pex heating pipes close to the exterior wall of the basement to maximize space with new walls in front of them. Planning to have someone spray closed...
View ArticleBurnham Alta Combi Experience?
Hello, Has anyone has any experience with the Burnham Alta Combi Boilers? I have a house with Hydronic and I am looking to convert from Oil to Gas. Thanks, Pat
View ArticleDunkirk Q90-100 - Blinking Valve Light
I have a Dunkirk Q90-100 boiler that was working but I noticed there was no more hot water. I took the cover off and saw that the IBC has the Valve light blinking. I power cycled the boiler by turning...
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Gas regulator
We have a Navien 110NCB where the Ignitor keeps gumming up and failing. Navien won't warranty the parts because they say the gas regulator has to be 10' away from the boiler. It is currently 7' away....
View Article25-year old Burnham Series 2, Model B Boiler: Parts and reliability possible...
Have a 1999 Burnham Series 2, Model B cast iron boiler... with the remodel tightening up the home, have a few challenges around combustion makeup air and moving from a high temp system to a Mid + low...
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Why I turn off the pilot
This is pretty self explanatory. That little flame that burns, what 400 btu's, provides enough energy to actually drive my entire converted old gravity system. And that is despite the heat, and dirt...
View ArticleHELP Bradford White Brute FT Series Wall Mount Boiler
Hello. Hoping someone can help with my problem. My boiler won’t turn on. I get the following on the display screen and I cannot find the info in my manual. Pdn 0071SPn00.04SFnsometimes 0009 appears...
View ArticleHow to add cleaner to flush hot water baseboard system
Probably a stupid question but , I am looking to replace an older utica gas fired hot water baseboard system with a mod con. Should I just flush the lines good with fresh water before disconnecting the...
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Update boiler or stay the course?
I have a Weill-McLain CGi that is 23 years old with a TriangleTube "super store". I am thinking of updating to a high efficiency boiler with or without indirect DHW. Attached are some pics of my set...
View ArticleFlashShield Supply Sizing Question
I’m in the midst of dealing with a subpar contractor installing my 125k BTU boiler and wanted to verify wether the supply line he ran is sufficient. I know it is difficult to give exact numbers...
View Articlesuitable boiler replacement
I have a small commercial boiler Weil McLain LGB650 (650,000 input) I need to replace but the boiler is 30+ weeks out. I cant find anything available and I don't have enough room to twin smaller cast...
View ArticleNavien combi does Startup/Post Purge cycle few times a day when there is no...
I am homeowner that recently had a Navien NCB 240/110H professionally installed. I work at home and the unit is in a closet next to my desk, so I hear everything it is doing. It's summer and the...
View ArticleRinnai convector FC824N keeps heating even after reaching set temp.
Hi, I could use some help with my Rinnai convector FC824N unvented gas heater. It keeps heating even after reaching set temp. Its summer time, its 75 in the room, the rinnai display "room temp" says...
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Can anyone help me ID the age of this boiler & how to clean it?
2 pipe hot water radiator system. Curious if the age and how to maintain it! Does it need a yearly clean out? I’m coming from a steam system which I knew more about.
View Article3 Amp Fuse Blows Sporadically
I have an older Bryant gas furnace and a Lennox central AC unit and have an issue where the furnace or AC will start up and run normally for anywhere from 20 minutes to several hours and then the 3 amp...
View ArticleVar speed circulators
Are there applications (using conventional gas boiler) where upgrading to a variable speed circulator with delta T set point are economically justified?
View ArticleBuderus Threaded Connection Question
In a Buderus GB142, one of the steps in removing the heat exchanger requires unscrewing the large upper nut in the picture to disconnect the return water supply. Looking down at that upper nut, does it...
View ArticleAdding NEST 2020 to Weil-Mclain Gas Steam Boiler
Here's what I got: weil mclain eg-45 steam boiler with sensit safeguard low water cut off honeywell pa404a1009 and honeywell s8610u. Want to add the common wire without adding a relay and another power...
View ArticleHow can you tell if your using the right pressure relief valve on a boiler?
I have a Weil Mclain CGT boiler. Here is a picture of the side plate. https://imgur.com/a/9BEeHxx The max pressure is 30 psi and the input btu/hr is 133,000 for the boiler. I bought a Zurn pressure...
View ArticleLaars Mascot Error code 79 Lockout
my Mascot was working fine this morning, took 2 showers and no issues. After second shower the unit was calling for hot water even those no appliances or faucets were on. Which cause the unit to throw...
View ArticleOlder System 2000 no hot water (resolved!)
So I have an energy kinetics system 2000 an older version. It seems to me that maybe the circulator is not working. I see the thermostat light calling for hot water on the left of the panel but the...
View ArticleIgniter as flame rod
HiI was looking and couldn’t find very good info on this. What happens electrically when the igniter is used as a flame rectification?im looking for good schematics or technical data. I realize it...
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Boiler Identification
Good Evening Gentlemen, I looking to identify the model of the boiler and circa in the photos below. The doors have the logo of Brittania, however I can not find any similar model.It is located in the...
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Pressure relief valve leaking... any advice?
Hi, I moved to a different home, heat is natural gas, hot-water baseboard. This spring I noticed that my pressure relief pipe is dripping (a few cups a day even with system not in use). Everyone I talk...
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Economite issues.
Boiler won't fire up. Come downstairs and the fan on the burner is running but no flame. I noticed the pilot was out so I relit the pilot.Flipped the switch and I have a pilot and I have a blower but...
View ArticleE20 purge running constantly
I awoke to boiler purge running constantly. Only way to stop it was turning power off. I noticed pilot light was off and tried to get pilot lit while power off . No good. Changed out thermocoupler...
View ArticleNew gas boiler efficiency standards how soon?
Hi. Last month in the news were articles that the government is proposing new regulations to make gas boilers much more efficient. I have a rental property with a gas Burham furnace for hot water heat...
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