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[Maxnchej]

Hi I have a bl 2840 and I clean up the air exchanger weekly. Is it normal to get a large amount of black power that you need to scrape off the walls and ceiling? I'm always surprised how much is in this top put of the stove.

When I perform the clean out, I scrape everything from the right side (stack) to the side that the firebox whole is on and push everything into gate firebox to burn. Usually takes me about 10 minutes din e I make sure I get it all. Also a build up on the door that I scape down as well.

I'm I doing everything right.

[Bud Man]

I clean mine every week. I pull most of it to the door and catch it in the lid of my ash can. The rest I shove back into the burn chamber.

[Maxnchej]

Do you have a lot of ash that you clean out of the exchanger ?

[sceptre74]

Mine is the same. There is a fair amount sometimes, but cleaning it out once a week ensures the exchanger can do it's job properly.

[Bud Man]

In a weeks time I get about a half to 3/4 coffee can full.

[ijon]

It a good thing people post different things about the bl s on the forum. That way people know what is normal with the boiler.

[Maxnchej]

Thanks for the information, guess what I'm seeing is normal. 

[slimjim]

Ash i mostly bark,  the meat of the wood makes very little ash, I see this very clearly with the wood chip boiler, debarked wood before it is chipped such as out of a lumber yard or ground pallets give up about 1/4 pan of ash per tank 3 1/4 yards of fuel, one tank of regular whole tree fuel chips straight out of the woods is at least a full pan of ash sometimes up to 2 pans.