Keystoker 90K BTU Stoker Direct Vent Parts Unknown

A Coal stoker furnace or stove controls most operations including automatically feeding the coal. They are quite similar to any conventional oil and gas units and easily operated for extended periods of time. They commonly use rice coal but may use larger sizes like buckwheat. They can be used as primary heat, supplementary heat or have a dual set up with your existing oil/gas furnace.
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New Member
Posts: 5
Joined: Sat. Apr. 26, 2014 9:00 pm
Other Heating: St Croix Prescott

Post Mon. May. 12, 2014 7:16 pm

I recently purchased a used Keystoker 90K BTU stove. When moving it to bring it home I heard a noise (something dropped inside) the previous owner said it was the flapper plate that sits in front of the exhaust port. The stove is a direct vent and the manual I downloaded has a drawing but no pictures or exploded parts diagrams. The angle looks to have several welds across one edge. Any one have a picture of the assembly intact. I'm in the process of going thru the stove top to bottom replacing all gaskets, glass, hopper, and whatever is needed which I hope isn't much more. Thanks for your time. This site is very helpful.

Posts: 90
Joined: Sat. Nov. 28, 2009 3:30 pm
Hot Air Coal Stoker Furnace: Keystoker A 90
Coal Size/Type: rice
Other Heating: New Yorker Oil boiler
Stove/Furnace Make: keystoker
Stove/Furnace Model: Econo
Location: Sunbury PA

Post Wed. Sep. 03, 2014 3:00 pm

You can get a manual for your stove online at the Keystoker website. Just search for keystoker. I have one like yours, the plate you mention is missing....I operate mine w/o it with no great consequence. The main thing is to have your draft at the proper setting as per the manual. Remove, clean and reset the grates and stoker unit with furnace cement to control the draft. The draft motor flap should be set at about 1/2 open. To reduce the draft open the flap wider, to increase it close it. That sounds backwards, but it that's the way it works. If you don't set the draft properly you will eventually get fire up into the fire box, melt the nylon coal feed cam, maybe burn up the feed motor, all of which I've done! Expensive to replace all that. It's a good stove but you have to learn how to operate it.

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