Buderus Logamax Plus GB142 Gas Wall Hung Boiler Not Working
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- Опубликовано: 7 дек 2021
- Love Bosch, the owners of Buderus and especially Platsky. Got this Buderus Logamax Plus model GB142 gas fired wall hung boiler not working. Error 3L - blower issue. Resolved!
#buderus #boiler #fixed
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The GB142 was actually made by Nefit in the Netherlands. Nefit was bought by Buderus, Buderus bought by Bosch. As for the UBA controller (that blackbox with the thumb screw) the proper way to secure it is to push it in with your hand first, then tighten the thumb screw. Behind that UBA controller is an 88 pin connector - YES that is 88 different leads that all have to be firming connected. Based on the corrosion inside the housing - check the termination/fresh air, could be cross contamination. The cross contamination normally effects the small control board (not replaceable) in the blower assembly, causing intermittent 3L codes.
The GB142 is no longer offered, replaced by the GB162 and the Greentherm (which you installed in the veteran's home the other day). Just a small side dish to help feed the people!
I can send some pics of failed heat exchangers on Gb142’s. From lack of maintenance. By the looks of the corrosion on the bottom of that cabinet coming from the unions to the supply header, that boiler is not long for this planet. The metal loss that’s piled up in the condensate trap is from the heat exchanger. They factored that into the design but if you open up the bottom cover you will see why. Its deteriorating from the heat exchanger. Needs to be brushed and flushed yearly. A little white mineral oil helps. We have a lot of them in CT. A lot of them have been replaced already with Bosch after the purchase of Buderus.
@@kevinlombardi3244 correct, needs to be cleaned every once in a while with some Mineral oil, which will loosen the crusts in a burn off. Then flush with water.
The GB162 is also no longer available, as far as i know. The greentherm style is sold as GB182/GB192i in Europe.
@@hansi6606 correct i have one and it's also made in holland Nefit factory . heat exchanger had a dessign issue .. replaced by Buderus for free. The newer models GB172/ GB182 are actually more Junkers inside also Bosch Thermotechnology brand . Bosch Thermotechnology brands are : Bosch / Nefit / Junkers / Buderus / Worchester(UK ) and maybe some more i don't know about :-)
@@kittsdiy jup, i forgot about Worcester.
Way to go Saint Mike! The best Pipe Doctor there is!
Wall hungs seem to be great for service techs and manufacturers to sell more parts, but not the owner. Unless you are really tight on space, I'm not sure what the attraction is, the little bit of fuel savings is destroyed by the high maintenance and repair costs.
Wow the pipe doc never fails to deliver
Hi Mikey, first thoughts when you mentioned "some kind of weird boiler" - Bosch Partner: Buderus, Nefit, Junkers, Sieger...
This boiler might start leaking fumes right underneath the Navien Plate, where the front and the side of the burning chamber are only sealed with silicone. Can easily be resealed with heat resistent silicone. Anyway there is very little electronics underneath the hood, thus no possible cross contamination. These GB112/142 run like a beast.
Bosch has a decent video on GB142 cleaning/service available on youtube. Might wanna consider giving it a good clean with some white mineral oil when replacing the fan assembly.
The typical blower errors are 3L and 3Y.
3L: broken electronics on the blower PCB. Some of the electrolytic capacitors became old and out of spec. Can be replaced.
3Y: red rubber suspension are worn,. The spacing between speed sensor on the board an fan axis is shifted. Can be fixed with small portion of cable tie underneath the rubber plugs to bring fan assembly back to old, upper position.
Back here in Germany and the Netherlands you can find refurbished blowers for nearly all Bosch boilers around ~150-200$.
👍🏻
Hi Mikey, I fixed one of those 5 years ago, broken igniter. Changed a few other parts and got it going for two more years until it was time to replace. Got the last one that my distributor had. In my case the manual was right there and I just had to read, be aware of my surroundings and do what we do.
I am Chinese and I love you Oriental jokes (plus I am learning) hahaha which makes this Channel one of my favorite!
We installed a bunch of these. Good boilers
Hell yeah, go make that money!!! I’ve worked on several GB142’s great machine. Pain in the ass to clean due to having to use white mineral oil but still a great machine. I’ve had issues with the boiler gas line which was under recall and the headers. So if you ever see one again spray some soap bubbles were the gas line comes into the boiler notorious for leaks.Ask your rep for a service book. It’s thicker that the holy bible but it has all the answers. Keep making stacks!!
hello mike good work again 🙂👍
Hell yeah. Replaced a few of those. They’re not cheap AND may not be available with all these parts shortages. On another note, that darned stairway safety switch has gotten me a time or two. Especially elderly folks.
Boiler is super easy to work on we have a lot of them in Boston.I’ve replaced a lot of those inducer it cost 400 for that motor
Those Buderus boilers are a run off from the Nefit boilers over here in Europe , Nefit is also part of the Bosch Company, I got 4 boilers with the same heatexchanger that are 27 years old now , still running like new, but it all stands or falls with maintenance , 3 of them still have the original fan in them😎
Mikey, I’m new to your channel. Nice vids. You work on a lot of the same exact models I work on here in Maryland. We installed these a few years ago. Great machine. Do you work on any oil fired equipment?
I wish you guys were a little west of Boston. My neighbors have had troubles finding someone competent on their Buderus boiler.
The termination venting looks wrong. The exhaust should be periscoping up and the combustion air supply should be terminated in a downward 90. With a minimum of 12” of separation. That termination is likely what has lead to the internal rust we saw. Budearus is lovely equipment. Over engineered for sure but easily repaired. 👍👍🇨🇦
Yea that’s a call back….Thanks for the video going to a job tomo for the same code.
Worked on one today. Replaced the wiring harness for the UBA 3 control
@@PipeDoctor it actually wasn’t that bad. Only took about 25 minutes
0:24 Those telephone poles on Main Street were doing the “Rockaway……lean-back lean-back…….!”
I have this boiler love Bosch.
Hello Mike this is Mike from Amsterdam Holland I'm ecgi just like you and in Holland we've got a lot of the Bosch Here in Holland we called them na nefit You see a lot of rushed behind the heat exchanger Nikon Maybe cost by a leakage from the heat exchanger to the gasket from the gas burner You got to be very careful with this type of naveed Bosch heater any few gonna work on it ask somebody who did it before because you have to put a gas en
And co just ride.
Hell no, you’ll be back to replace the outside air temperature sensor. Bosch, a ton of these in NH.
I would worry more about the control box with the thumb screw. I believe it was vibrated by boiler action and did not send the correct voltage to the motor. When you tested and got 120 v you had tightened the screw. I would want to know what that box controls and how. Can't believe Bosch would use a thumb screw like that.
Hell yeahhh. Get Money!! 😂
That boiler is so Awesome they discontinued them.. Law suit's Bosh Green Star is decent
Heck yeah
Hell yeah…guess we’ll see…on another note, install a pipe strap on the emergency shutdown switch plate cover to prevent accidental shutdowns. You can still use your finger to get access to the switch
Peter is a hot head 🤣🤣🤣Good vid Mikey 😎👏👍✌Thx ...
@@PipeDoctor I was referring to the FLIR when you pointed it at his head .The top was red ... I wasn't being mean ...
Could be intermittent issue with power feeding motor from the board as well?? Weird one
Changed out quite a few of those boilers.
@@PipeDoctor Eh?
HELL YEA!!
Yes
I have the same unit and have been recently having issues. The circ pumps are circulating but the boiler isn’t heating. The view window shows the pilot light off but all three zones are calling for heat and pushing water but the pipes are cold for the zones. It shows no error code. I shut it off then turn it back on and the flame ignites and the heat returns. This was a bi weekly occurrence which now is happening almost daily. Called the HVAC company that installed it and told them the issue and mentioned it’s due for service. They came and serviced it and said that may of fixed the issue (lots of corrosion on the fins of what they said was the heat exchanger that they attempted to scrape off). I’ll be calling them again tomorrow as the loss of heat has become more frequent. Boiler was installed in 2010.
FWIW, our GB-142 went intermittent and it turned out to be the blower; if it runs a bit slow, the cycle of:
- Purge (blower only)
- Igniter on, turn on the fuel gas:
- If the blower is normal speed, enough fuel/air makes it to the combustion chamber to light
- If the blower is a bit slow, not quite enough fuel makes it in; it times out and repeats the purge / ignition attempt
I tested using an unlit propane torch in the inlet *at the right time* to give it a bit more fuel; it lit, showing that it wasn't getting enough fuel (which was the blower not getting it to the combustion chamber fast enough to avoid the timeout).
Can also be plugged up by 'lava rock' residue from the propane; supposed to clean every 6 mo with 50/50 mineral oil (Health section of supermarket) and water. Make sure you have replacement gaskets on hand, probably a spare igniter, and keep the ionization rod and igniter clean.
Feed me pipe doctor 😂
Hell yea
Hell yeah
one of my favorite boilers mr mcfly.
I'm full now bye!!!!
I'm friends with UNCLE JOE who brought buderus to this country
secret handshake 👋👋👋🖕👏👏👏
Heck yea, fortunately
hell yes
I think it will make it through the winter. Remember it’s a Bosch not a navien
Seeing as I've have experience with those EBMpapst motors on my blowers at work I would say yes but rolling the dice on when. I would have had it at least ordered it and have sitting at the warehouse.
yep, 99% chance speed sensor/controller is failing on it. one of the times it simply wont start ever again :)
then wait until they find out the parts on multi-month back-order. lol
Yes will be
Hell yeah you will
yes
Maybe, it may have been some oxidation resulting in a bad connection, by u unplugging and plugging it back in, it may have cleaned the connection...just my opinion.
Hell Yeah
I personally hate Buderus units, but good video Mike👍🏽
have a Bosch dishwasher that is nearly 15 years old. German fabricated and works like new.
I think you will be back. If not to turn on the emergency disconnect again. 😁
These are great for our trade, has life span of furnace due to aluminum heat exchanger. All the energy they save can be given to us to repair it after 6-8 years. Brand is irrelavant, cond. boilers are very expensive, plagued with intermittant problems, parts over-priced, will NEVER pay for themselves. On top of that they are not maintained by customers ALL making them highly profitable for contractors.
Agree 100%. I’ve been saying this for quite a while.
Mine is running 12-13 years for now . ( GB162 ) but yes i get what you mean .. my old ideal standaard boiler was replace after 30 year + but had a pilot flame like a torch and lots of water .. my gas meter was tikking like crazy when it was running ( 32KW ) Condensate boiler are more efficient so you save gas .. but WILL have to be replaced way sooner ..( complexer technology more parts that can fail and are expensive ) the question is did you make profit if you need to replace it again after 10+15 years .. ( gas & power prices in 10 year are incrasing like crazy here in Europe ) ..
Buderus make the best oil boilers on the market.
Some one is gpoing to either have a big Christmas Party or they hate washing dishes.
Hello from the great state of Michigan. Heck No #Lovebosch
maybe next year Mikie.
Hell yeah it’s never that easy
He'll yeah, Just after the holidays they'll call for replacement.
@@PipeDoctor at midnight on 31dec :-)
👍
Heck-no
Hell yeah
I give that blower 5 to 6 months
#LOVEBOSCH
If you banged the motor first and it turn on then I would say replace but if just the contact then I say you will not be back for awhile.
Heck Noo
Hell yea lol
Hell jea
They are one of easiest to clean properly
It's a Dutch designed boiler peter pan.
Had an error code p15 ?
1) I work on RTUs, but yes, you will be back.
2) I'm not doing condensing boiler work, but I would agree with the posters below, in that this is nice and expensive equipment that will never make up the expense factor. This is true of most HVAC equipment that touts "efficiency" as the "raison d'etre." Usually, this is caused by a government agency attempting to transfer more cost to the consumer while being able to tell constituent advocacy groups that they are 'saving the planet." Government is their replacement deity instead of God, and they worship at the altar of government. The consumer gets to pay for that worship.
Buderus was the Name around here, then again Navien was the name for a while along with others. Buderus has since fallen out of favor. Lochinvar seems in the lead for now, subject to die humiliated at some point like all the rest. BTW resets never solve the problem, your always back at some point to fix something.
Emphast blower bad speed sensor. You will be back
You will be back April 1st
Buderus is owned by Bosch but designed and made in Holland before Bosch bought them.
Buderus use to make only oil burners in the past .. and thet lasted for ages . Then they bought Nefit ( dutch company with good reputation in gas boilers ) . And then Bosch bought Buderus ( already owning junkers ) . So the newer systems are more junkers inside the nefit inside ( or a combination of both ) . Lifetime of a condensing boiler i would say 10-15 years .. if after 10+ years you need to replace parts .. better replace the boiler to a newer model . ( my GB162 is 13 years ..and had some small issues .. rubber seals on the circulator leaking .. 1cm water inside .. so some rust of the case ) . For now it's running fine..combustion test done all ok ( i actually NEVER really serviced it in 13 years.. with the money i would pay for yearly service i can buy a new one almost here in Belgium .. ) The water heater thank 160 liter connected to it . .i had to replace couple weeks ago ..tank was leaking .. i never replaced the anode in 13 years ...
Hi Mikey! I am watching you since month s ago !! and i am new to your channel ! I am Mike too, a romanian , working in Spain .so i send you regards from Madrid ! I really apreciate your job , and your enthusiast to your work! i am a plumber too, and i do mostly the thing s you do. BUT, i must say that i have seen thigs you doo , out there , over the sea s, that are not totally correct !!! and it s not only you! More plumbers over there are making the same error s !!First y wanna say that you complicate way, way too much the heating sistems, and boilers room s ! Man, that is awful ! I ve seen that Navien boilers , and i wanna tell you that with boilers like that, whe are heating houses here from 600 to 900 square feet, whithout exterior circulators and other external circuit s !!!!
The unions between copper and iron pipes, bras and iron pipes, copper and cast iron boiler s, you name it..... , here whe DO NOT DO IT IN THE SAME THREAD !!!! MAAAN THAT S NOT RIGT !!! There are chemical and fisical reactions between the two metal s, and it end s with leak s and serious problem s with the boilers !!! Whe put in the union copper-cast iron a neutral teflon made part . It annulate the chemical reaction between the two materilas!!! You understand that, i am shure abouth it !!! I have a jetter too, for cleaning the drain s a n sewer isue s, so the way you fix the drain s over there, it is not like we do it here !!! Not the rigt one for sure ! I just say mi opinion, I AM NOT A HATER ! I APRECIATE YOU VERRY VERRY MUCH !!But i am telling all these , in order to help the plumbers man kind !!! Sorry mi bad english !!! All mi regard s to you people !!!
Yes. 6months
Heck yes even though I’m kind of border line
Your never going to guess who made that aluminium heat exchanger for Buderus. Hint: it's made in south Korea
Sad but true. Open up that heat exchanger I bet you will see channels where the condensate has eaten through the aluminum. Run away from aluminum heat exchangers. Love your channel.
#LoveBosch
#loveBosch
#lovebosch #loveplatsky
Hell No!
Heck no
I may not know but I know someone who does
Lol
They damn near killed all your people. Now, about that Porsche....🤔
You said BOSCH?👀🇩🇪
Heck no if it's working leave it alone
No I think you had a loose connection
heck no
Hell no!
No, no, a thousand times NO!
hell no. motor will run .
Heck no #LOVEBOSCH
312 thumbs up
Hell No
Hell no
If the unit is +10 years, you will go back.
Hack NO
@@PipeDoctor those people usually call cheap companies and when shit hits the ceiling then they cry screaming HELP PIPEY MIKEYS🤣😂🤪
Ahh I can’t stand these units, it’s always something
Phuk No
thats wall hung
no
Run away from aluminum heat exchangers
the very expensive viesman inox ones are not that better it seems .. and naviens claims also to have inox ones lol .. we all know about those : -)