Jotul 118B

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No need to line bottom with firebrick. Manual says you can put sand in the bottom.
After a few fires the ash will cover the bottom to the top of the swiggle steel ribbons, so i just have ash in the bottom of my 118 clone.

And i have the same set up you are talking about. 5" to 6" adapter to 4Ft of 6" single wall into 8" ceiling box. Works fine till the wind blows from the NE. My my chimney is extremely short though. Maybe about 10ft from the top of the 118. This means no fires on NE wind days which thankfully is fairly uncommon. If i was using this house more i would definitely have raised the chimney height years ago and changed from the ceiling box up to 6".

You can cut plates for the side from steel plates, i did that for a buddy with a 602. Same idea with the 118.
These are cast plates, from what I gather. And even if I were to replicate them in mild steel, there would be some bending. The 'pegs' made into the castings hold the side plates, but the top plate keeps them from falling into the center of the firebox.

Thanks for the sand idea; that would be cheaper and infinitely easier than firebricks. Yes, there was a good layer of ash when I vacuumed it all out. The bottom plate looks pristine.

From the math, 6" to 8" should be fine, especially if I use double-wall inside the house.

Kevin
 
you can also try to find a beat up clone for cheap that might have decent side plates in it and just take those plates.
Not really in the cards to have 300lb donors sitting around. All the 118Bs are very hard to find on this side of the mountain anyway. I got very lucky to find TWO. I've not seen a 118B yet with side plates that weren't burnt out. It would have to be someone who replaced them and decided to get a newer stove, or was moving. I scan eBay pretty regularly for the plates.

Kevin
 
If you’re handy I bet you can make side plates out of steel plate stock, using the old ones as a template. The 602s weren’t anything special, I think the eBay ones were just water jet cut plate.

Edit: just saw your post, I think the 602 plates have a little radius on them too, I think that’s why I ended up going the non-eBay route.

Changing topics i used sand at the bottom of my 602 when i cleaned it bare to replace the plates.
 
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If you’re handy I bet you can make side plates out of steel plate stock, using the old ones as a template. The 602s weren’t anything special, I think the eBay ones were just water jet cut plate.

Edit: just saw your post, I think the 602 plates have a little radius on them too, I think that’s why I ended up going the non-eBay route.

Changing topics i used sand at the bottom of my 602 when i cleaned it bare to replace the plates.
Plates look like cast to me and have some features cast into them. Cast will last longer than mild steel plates in a firebox. But I'm certainly not set on spending $200 each on them.<>

Been working out of state all weekend. Hope to post some pre-cleaning pics soon.......

Kevin
 
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Plates look like cast to me and have some features cast into them. Cast will last longer than mild steel plates in a firebox. But I'm certainly not set on spending $200 each on them.<>

Been working out of state all weekend. Hope to post some pre-cleaning pics soon.......

Kevin
Yes sir, the ones i took out/ put back in were cast. No idea if that will hold up better or worse than plate, but the whole stove is cast and mine’s from the 60s still looking great.
 
Yes sir, the ones i took out/ put back in were cast. No idea if that will hold up better or worse than plate, but the whole stove is cast and mine’s from the 60s still looking great.
From my shop days, cast would have an advantage over a mild steel plate. However, what that translates to in a working stove would depend on the fire frequency, cooldown, and how often the burn intervals occur.

I found some plates for $159 each. I'm calling them tomorrow. I have no idea about the shipping charge.... They could be obscene, although the package would not be huge if packed tightly. I've had 25-lb weight-lifting plates sent to me via Priority Mail at reasonable charges.

Kevin
 
Went to the Woodsmanpartsplus site, and the shipping is $128. So that brings the total up to $442 for the Jotul side plates. And I'm supposed to be taxed as well, although that hasn't shown up yet on their purchase form. So that's another 9%

I can't just let this project sit while I move Heaven & Earth to find cheaper alternatives.

Kevin
 
OK, as promised, here she be in all her unrestored glory.

Top plate not pictured because it's flawless.

Kevin
 

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Those side plates are way worse than my 602s were, nice job keeping the old beauty up and running!

I’m super interested in burn times with this, my 602 turned all the way down can leave me coals to restart after 9hrs with hardwood.
 
Be happy to report that once I get 'er up and running and figure out its nuances. They had a steel plate behind the one side plate 'hole', I guess so the casting didn't crack.

Mostly, I'll be burning seasoned sugar Maple for awhile.....until the stack goes down. Also some seasoned Walnut. After that, most likely Doug Fir if I can get a good price. I might even get a permit and go out and fetch in some downed or snags. I sold 17 cords off of the sister Maple tree I took down. 100 years old, five trunks. Mostly growing into my neighbor's yards and causing me grief.

Kevin
 

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Holy moly, 17 cords out of one tree? Pics of the tree?
They have big trees your side of the country but that big, gotta be a redwood...

Or face cords...?
 
Holy moly, 17 cords out of one tree? Pics of the tree?
They have big trees your side of the country but that big, gotta be a redwood...

Or face cords...?
No, real cords. Sugar Maple, five trunks. I used to be a logger in the PNW. These old Maples here are tremendous in size, that old. I had a service top it first, so when I fell it, it wouldn't hit the other one. But I let it sit for a year or so, and a lot of it regrew at the top... lol. Long story: I had a shouting match for all my neighbors to hear with the scumbag tree service. My ex-wife had a video of me working on it.

That computer was stolen, but I got it back. I'll see if the vid is still on there. My ex may have it too.

Kevin
 
Definitely a knock-off copy. I see one side burn plate. Check to see if the other one is there too.
 
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wish i was closer, mine only has the short burn plates with 2 square hanger holes.
i also don't have the legs, mine sits on concrete blocks