Masonry Chimney Venting

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Macpack7
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Joined: Sun. Nov. 05, 2017 9:33 am
Hot Air Coal Stoker Stove: Alaska Hearth Model

Post by Macpack7 » Sun. Nov. 12, 2017 9:36 pm

How many people who vent their Stoker into a masonry chimney line the chimney to the top vs running a flex pipe into the first couple clay flue liners?

 
brandonh98
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Location: Drums, PA (NEPA)
Hot Air Coal Stoker Stove: Leisure Line Hyfire

Post by brandonh98 » Sun. Nov. 12, 2017 9:51 pm

No liner for me but I also have trouble with draft when the temp goes above 50.


 
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McGiever
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Joined: Sun. May. 02, 2010 11:26 pm
Location: Junction of PA-OH-WV
Stoker Coal Boiler: AXEMAN-ANDERSON 130 "1959"
Hand Fed Coal Boiler: BUCKET A DAY water heater
Hand Fed Coal Stove: Warm Morning 414A
Coal Size/Type: PEA,NUT,STOVE /ANTHRACITE
Other Heating: Ground Source Heat Pump and some Solar

Post by McGiever » Sun. Nov. 12, 2017 10:04 pm

Clay liner will outlast 2 lifetimes.
Full flex liner will perforate from condensing acidic gases and adhering fly ash, besides the cost to replace, corroding flex liner will also poses a danger if left to crumble and collapse in which can create a restriction or even a blockage which both would cause carbon monoxide to back up in the house.
This isn't wood and it's creosote, were talking acids strong enough to rot stainless steel.

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