New Yorker Wood Boiler Cresoting


Old 12-01-07, 08:26 PM
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New Yorker Wood Boiler Cresoting

I am having trouble with my NY wood burner. It is building cresote, and is infact shinny on the inside of the firebox. When the draft opens it sucks very hard, and heats the flu up pretty hot, hot enough that the flu pipe makes crackling/snapping sounds when the draft closes down. When outdoors all you can smell is cresote coming from the chimney (I am burning seasoned wood). Is there anything I should be looking at? I have attached a photo of my flue pipe, does anyone else have a similar set up?
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Old 12-01-07, 08:34 PM
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Have you talked to the manufacturer??

Creosote buildup inside of the boiler might be an indication that the return water coming back to the boiler isn't hot enough. That will cause condensation and other problems in the boiler. You might need a Danfoss TV valve to eliminate the problem. I own a VanVert multifuel boiler. It would also make creosote when the automatic air dampers throttled the unit back; especially during the early fall and late spring heating seasons. Some creosote might be expected at times... ?

Old 12-02-07, 06:30 AM
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No, I haven't..Perhaps I should. Thanks
Old 12-06-07, 06:01 AM
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Check out 'HEARTH.COM'. This is a site deticated to wood heating. Post this question in the 'BOILER ROOM' forum.
Old 11-25-08, 06:52 PM
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New Yorker

I don't see a barometric damper to control your draft. The New Yorker's installation calls for one. As they fire burns hotter, and the chimney warms up, gets hot even, the chimney will pull harder and harder, causing the boiler to over fire.

Creosoting is usually related to under firing, idling often and long. If the weather isn't cold enough, the boiler won't fire efficiently and you'll make creosote. Other issue is temperature of return water, as if it is too cold the walls of the firebox won't stay clean...

Again, firing during marginal weather can cause this...

Definitely recommend a barometric damper in compliance with the installation manual though...
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