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Author Topic: Central Boiler 750 - not a happy customer - serious issues with cleaning  (Read 7153 times)

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Offline woody_88

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #20 on: October 18, 2019, 03:31:47 PM »
To add about how sucky it can be to clean the exchangers from the inside of the early edge models. I have a 550. I’m about 6’ 220 ish and felt like was doing a *DanG magic show act trying to fold my body to get inside and unbolt the “access” panels. 

At the time of purchase, the dealer offered a deal on this old model being stainless inside and out. The new model was only stainless inside and mild out( one way or the other). BUT..new one had the rear access!  :'(

Offline DDW_OR

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #21 on: October 20, 2019, 10:53:02 AM »
I went to their manufacturing plant a couple years ago
took the tour, no cameras allowed.
then the rep took me out side to look at the 750, old style.
i then asked him to remove the plates inside the firebox.
he looked and tried to figure out how he was going to crawl inside to do it
i then suggested the rear door and rotating the heat exchanger
he liked that idea
then i mentioned that their competitors where using stainless steel for their fire boxes
he liked that idea
then i suggested using stepper motors instead of solenoids
he liked that idea

all i got was a hat
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Offline petefrom bearswamp

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #22 on: October 23, 2019, 09:12:57 AM »
I have an older (2005) classic that eats anything.
I read about the many problems with the eclassic and am glad I didnt upgrade when I had one small leak about 6 years ago.
Im sure that as has been said here that dry dry dry wood is a necessity.
My 2 year old wood gets to about 16 percent or slightly lower, so maybe 22 is too high for these finicky critters. 
LT40SHDD51
Kubota 8540 tractor, Farmi winch
Kubota 900 RTV
Polaris 550 Sportsman ATV
1 Husky 1 gas Echo 1 cordless Echo vintage Homelite super xl12
241 acres of woodland

Offline Logging logginglogging

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #23 on: November 07, 2019, 09:47:30 AM »
My 750 has been good so far, This will be the third season with it. I have not had these really bad blockages like this but had some creosote in the primary elbow. Before this i had a E-classic 2300 that had similar elbow clogging, I cleaned that every 3 weeks, I clean this 750 about every 4 weeks. When I burn i try and keep a low bed of coals, often letting it burn down on the weekends when i can be home and stir it. I get some pretty hot reaction chamber temps. I know that if i were having the clogging in the bars in the reaction chamber I would try and make a sharp tool that would fit in between them to try and dig it out, I think if u put a good sharp edge on a metal tool just the right size to fit in there it might work well.

Offline DDW_OR

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #24 on: November 07, 2019, 10:07:24 AM »
i use a 3/4 piece of metal conduit about 6 feet long
i bent both ends at 90 degrees
one end has a 12 inch past the bend, the other end has maybe 1 inch



 
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Offline woody_88

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #25 on: November 08, 2019, 02:10:39 PM »
i use a 3/4 piece of metal conduit about 6 feet long
i bent both ends at 90 degrees
one end has a 12 inch past the bend, the other end has maybe 1 inch


(Image hidden from quote, click to view.)
 
I believe this is what my installer uses/makes/sells. He was explaining  it over the phone last year and I never got a chance to go get one...

Appears to work reallll good at getting in between and up inside the exchanger!


Offline Logging logginglogging

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #26 on: November 08, 2019, 03:21:41 PM »
i use a 3/4 piece of metal conduit about 6 feet long
i bent both ends at 90 degrees
one end has a 12 inch past the bend, the other end has maybe 1 inch


(Image hidden from quote, click to view.)

i am usually pretty good with imagining this, but in this case i dont get it? but i want to, got any pictures of this tool?

Offline DDW_OR

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #27 on: November 10, 2019, 11:55:15 AM »
here is a photo of the fire box end resting on a wheelbarrow
the other end with the short bend is a handle


 

and the garden hoe i use to do a cleanout when i let the fire die out
note the angle


 

then i sift the ash through 1/8 inch screen


 




save the fine ash for the garden
return the larger chunks back to the furnace


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Offline DDW_OR

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #28 on: November 10, 2019, 12:00:39 PM »
yes that is a plastic barrow. I do not let any live embers get into it.
the lid is removable and the barrows can stack inside one another
I found them on CL in Oregon
here are the search words i used
55 gallon stackable food grade



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Offline Logging logginglogging

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #29 on: November 11, 2019, 08:21:21 AM »
OK, i guess i did picture what you made correctly. Thank you.

I like the sifting idea, that makes for starting up the boiler a lot quicker and easier too.

Offline Bob Lentz

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #30 on: November 25, 2019, 03:25:38 PM »
So, last fall i made my dealer take back the 750 that you had to climb into to clean and with the chains, and he brought me a new 750 where we have access to the heat exchanger from the outside on the back-side, no more chains and Stepper motors in place of solenoids. This furnace is a gem to clean and keep operational.  Sooooo much better than the 750.  Obviously there was a design flaw given all the other people who had similar issues and CB Made serious changes to the unit.

Thanks for all the input and feed back!

Bob
eClassic-2400
Triangle Tube Backup (Propane)
Heating 6500 sqft house and small pool

Offline Logging logginglogging

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Re: Central Boiler 750 - not a happy customer - serious issues with cleaning
« Reply #31 on: December 04, 2019, 09:21:41 AM »
So, last fall i made my dealer take back the 750 that you had to climb into to clean and with the chains, and he brought me a new 750 where we have access to the heat exchanger from the outside on the back-side, no more chains and Stepper motors in place of solenoids. This furnace is a gem to clean and keep operational.  Sooooo much better than the 750.  Obviously there was a design flaw given all the other people who had similar issues and CB Made serious changes to the unit.

Thanks for all the input and feed back!

Bob
I haven't had any problems with mine, But I burn good season wood and know how to do good maintenance.

Offline bushwacker55

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postin here from the middle of alberta. have had a new "wonder furnace" for awhile now. Purchased august 2018 and fired up for the first time in nov 2018.  Only wonder why they call it a furnace, it hung up the week.. so its nothin to do with clean. Ive tried long wood, short wood, stubs, layers of long and short wood, layers of dry wood and greed wood, in hopes the weight would push it down. At the best of times, which is extremely rare, it will run for 3-4 days tops, and then hangs up. sometimes its half full on bottom full of dry wood and the fire goes out. re fire it and away it goes again. you cannot trust this thing to burn, you need someone around daily to push wood down or else it will go out. Luckily, I have a neighbor that has been around to help this last winter and he has had to either re fire the thing or gets there just as temps are falling as the wood is hung up AGAIN. i have tried getting in contact with the dealers and they have been no help whatsoever.  The last and final straw was on friday...out. saturday morning..out. again saturday night..out. sunday morning, low and behold , its out again!  it fires up on the same wood so its not the wood. The furnace is junk at any price and support is nonexistent once they get your money...deliver the thing to the dump and leave it there not worth your time picking the garbage up. 
The furnace is now completely drained, i will not fire up this thing again. going back to dealer for a 6048 that actually works.  4 months old and nothing but grief, pure junk.  So much for reliable heat for paint and drywall (currently building home furnace is supposed to be heating)
Im farther behind then when i started.

Offline woody_88

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postin here from the middle of alberta. have had a new "wonder furnace" for awhile now. Purchased august 2018 and fired up for the first time in nov 2018.  Only wonder why they call it a furnace, it hung up the week.. so its nothin to do with clean. Ive tried long wood, short wood, stubs, layers of long and short wood, layers of dry wood and greed wood, in hopes the weight would push it down. At the best of times, which is extremely rare, it will run for 3-4 days tops, and then hangs up. sometimes its half full on bottom full of dry wood and the fire goes out. re fire it and away it goes again. you cannot trust this thing to burn, you need someone around daily to push wood down or else it will go out. Luckily, I have a neighbor that has been around to help this last winter and he has had to either re fire the thing or gets there just as temps are falling as the wood is hung up AGAIN. i have tried getting in contact with the dealers and they have been no help whatsoever.  The last and final straw was on friday...out. saturday morning..out. again saturday night..out. sunday morning, low and behold , its out again!  it fires up on the same wood so its not the wood. The furnace is junk at any price and support is nonexistent once they get your money...deliver the thing to the dump and leave it there not worth your time picking the garbage up.
The furnace is now completely drained, i will not fire up this thing again. going back to dealer for a 6048 that actually works.  4 months old and nothing but grief, pure junk.  So much for reliable heat for paint and drywall (currently building home furnace is supposed to be heating)
Im farther behind then when i started.
Although it sounds like you have already gotten rid of the “wonder” furnace, did you try adjusting the pulse length and interval? What you explained is EXACTLY what happened to me, and by changing the pulse length to 160 seconds, every 15 mins, I was able to keep it running. I am sorry this caused so much frustration and grief. It sucks. 

Offline boilerman101

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Bushwacker, Let me say as a multi year Edge owner/operator they are great! When you operate them how a "gasser" needs to be operated. Burn much less wood and have great features. That furnace came with a DVD showing how to start it up, operate it and maintain it. None of it is hard to do. Large rounds or chunks and/or green wood can hang up or suspend and burn out underneath. If the fire goes out you must go back to creating a coalbed with kindling or yes it can go out. If there is airflow blockage withing the exhaust path it will go out. There is a "sweet spot" of coal bed depth that works best. If it gets too deep it cannot burn down and through which will also make it go out. You must have a "live" coalbed and remaining burning wood to load on. You cannot open door, throw wood in that you cut 2 months ago and close door and walk away with a gasser. If that is what you plan to do then yes buy a traditional Classic stove. Otherwise it is like buying a new Ford Diesel Truck for the extra power and engine longevity, but you burn gas in it anyway because that is what you burned in your old truck and now your new Ford diesel won't run, so therefore Ford builds crap. If you need help and are willing to follow instructions from experienced operators, there are people on this forum that can help. If you just want to vent and blame the furnace or manufacture for your inability to run the furnace you are not helping anybody.


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