Stack and Surface Temp?

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Post Fri. Feb. 01, 2008 8:09 am

What is a normal temperature for the surface of a coal stove and the chimney pipe? I am curious if anyone has measured theirs or knows what it should be.

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Stoker Coal Boiler: 1959 EFM 350
Hand Fed Coal Stove: Harman Magnafire Mark I
Baseburners & Antiques: Sears Signal Oak 15 & Andes Kitchen Range
Coal Size/Type: Rice and Chestnut
Other Heating: Fisher Fireplace Insert
Location: Stillwater, New Jersey

Post Fri. Feb. 01, 2008 8:16 am

My hand fired runs 225 to 300 degrees on the pipe before the baro, surface mount thermometer, highly inaccurate. The other day I left the ash door open too long after reloading, hit 650! :blowup: I added more coal and cut the air way down, temps returned to the safe zone.

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Stove/Furnace Make: Keystoker 90 Stove
Stove/Furnace Model: Keystoker 160 Furnace
Location: Erieville, NY

Post Fri. Feb. 01, 2008 10:26 am

My Keystoker 90 runs around 125* on the vent pipe with a magnetic thermometer about 4 feet from the stove.

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Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
Coal Size/Type: Rice
Stove/Furnace Make: Keystoker, LL & CoalTrol
Stove/Furnace Model: 90K, Hyfire I, VF3000 Soon
Location: Cuba, NY

Post Fri. Feb. 01, 2008 10:43 am

Hand fed may be a bit different in temps.

My Hyfire runs 300-450 on the sides and 150-240 Deg. Stack temp INSIDE the pipe After the Baro just before going into the chimney.
My Keystoker Divect Vent (No Baro) runs 120-190 Deg. about 8 feet from the stove Inside the pipe just before existing thru the wall.

I have digital Temp. Probes that measure the flue temps inside the pipe.

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