Will my Harmon mark III

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bigfutty
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Hand Fed Coal Stove: Harman Mark III

Post by bigfutty » Wed. Nov. 10, 2021 7:59 pm

I have recently moved to a newer house. Our old place was a large farm house in a drafty area and the mark III would keep the downstairs warm but up stairs was still cool. The place we have moved to is rough 1800 sq ft bi-level that is tight and out of the wind. The house has good southern exposure so it get good warmth in the morning. I am wondering if the mark III will be too big for this house or do you guys think that with it turned down and most likely using pea coal do you think it will not cook us out of the house. Thank

 
waytomany?s
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Location: Oneida, N.Y.
Hand Fed Coal Stove: Harmon Mark II
Hand Fed Coal Furnace: Looking
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Coal Size/Type: Nut
Other Heating: newmac wood/coal combo furnace

Post by waytomany?s » Wed. Nov. 10, 2021 8:58 pm

Only 1 way to find out, hook it up and fire it up. You already have it, might as well use it. Or are you saying no chimney and debating a stoker with a power vent?

 
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anthony7812
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Location: Colley,Pennsylvania
Stoker Coal Boiler: VanWert VA 400
Coal Size/Type: Buck/Anthracite

Post by anthony7812 » Wed. Nov. 10, 2021 9:17 pm

I think you'll enjoy the mark 3 in a home like that. It won't need all the energy as quickly as your previous home so theoretically you'll have some nice long burn times.


 
bigfutty
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Hand Fed Coal Stove: Harman Mark III

Post by bigfutty » Thu. Nov. 18, 2021 7:10 am

For a slow burn what size coal would you guys burn????

 
Hounds51
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Location: Bethel, Pa
Hand Fed Coal Stove: 2 Legacy TLC 2000 one in the upper and 1 in the lower part of the house
Coal Size/Type: Wood and pea, nut ,stove and egg coal

Post by Hounds51 » Thu. Nov. 18, 2021 9:40 am

bigfutty wrote:
Thu. Nov. 18, 2021 7:10 am
For a slow burn what size coal would you guys burn????
Pea
The finer grade you go, the cooler it burns. I think the smallest you would want to go in a Harmon Mark 3 is pea as the grates are too coarse and spaced to far apart for anything smaller.

 
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anthony7812
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Location: Colley,Pennsylvania
Stoker Coal Boiler: VanWert VA 400
Coal Size/Type: Buck/Anthracite

Post by anthony7812 » Thu. Nov. 18, 2021 9:48 pm

I always used Nut when I had a mark 3. I can only speak for that size but with nut, at half tilt on the draft dial , I could make 10-12 hr burns.


 
Hounds51
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Posts: 556
Joined: Sat. Feb. 22, 2020 9:46 pm
Location: Bethel, Pa
Hand Fed Coal Stove: 2 Legacy TLC 2000 one in the upper and 1 in the lower part of the house
Coal Size/Type: Wood and pea, nut ,stove and egg coal

Post by Hounds51 » Fri. Nov. 19, 2021 9:15 am

anthony7812 wrote:
Thu. Nov. 18, 2021 9:48 pm
I always used Nut when I had a mark 3. I can only speak for that size but with nut, at half tilt on the draft dial , I could make 10-12 hr burns.
On mine, I get a 24 to 30 hour burn. Of course I built up my Fire chamber with extra firebricks so my bed is nice and deep. Because the weather is fairly moderate, I am only full loading and taking ash out about every 36 to 40 hours. I top off from time to time, but full loading as mentioned above.
So far I have been blessed as I still am in the 1 match club for this season. This TLC is really a monster for it's size and the built up firebrick really helps also. I burn pea when it's warm, nut when it's cold and stove when it's bitter. Hope this helps.

 
Jerrybro
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Post by Jerrybro » Mon. Nov. 22, 2021 12:18 pm

My Mk3 is in the basement under the living room. I put a vent in the floor to help distribute the heat. The stove side of the vent is typically in the high 80s. The far end of the basement is 70, the living room is 72, the top of the stairs on the 2nd floor is at 70. I couldn’t imagine being in the same room as the stove on a normal day, but there have been some truly frigid days where we sat next to it to thaw out after coming in from the outside.

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