Keystoker 105 Directvent Stove Pipe

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Jim G
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Post by Jim G » Thu. Oct. 16, 2008 6:37 pm

Just got my 105 today (ordered 6/14/2008), and it came with (what I consider cheap stove pipe). It's single wall, a tee, an umbrella type hood and a 6" x 12" black section for a wall thimble. I don't mind upgrading to something superior and would like some suggestions. It's going straight out a 2x6 wood studded wall.

Can I use 4" pelllet stove pipe? (excel or duravent pro). Or can someone suggest something better.

Thanks for your help,

Jim the newbie

 
ken
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Post by ken » Thu. Oct. 16, 2008 9:47 pm

i have a 75,000 and it has 6" out the back on the bottom. after the DV assy , it goes to 4". if yours is 6" after the DV assy , then I would think you have to keep it at 6". you could use what you have now , then up grade later. go with SS and it will last a long time. remember to be leave a way to clean out the pipe without to much hassle. I can take the chimney part off outside and run the shop vac hose all the way to the DV assy.
Last edited by ken on Fri. Oct. 17, 2008 12:39 am, edited 1 time in total.

 
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Jim G
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Post by Jim G » Thu. Oct. 16, 2008 10:09 pm

Yes, it appears to be 6" out the back of the stove. The dv assembly is bolted to that and it is 4" cast iron off the dv blower. I was concerned the this single wall pipe would get too hot. It looks like Keystoker has down graded some stuff they ship with their stoves. I expected an actual wall thimble not a 6" pipe section to slide over the 4" and 2 small ss plates that fit very slopedly over that . No Kol-trol thermostat, just a Honeywell. And the ash pans are galvinized pales from Agway.
So if this pipe is sufficient I'll get a better wall timble and go with it for now. Thanks for the reply and any further ideas you can send my way.


 
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WNY
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Post by WNY » Fri. Oct. 17, 2008 7:07 am

that is all mine came with too, about 4 years ago, it worked fine, maybe not the greatest looking piece on the outside of hte house, but it functions fine.

 
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Post by Complete Heat » Fri. Oct. 17, 2008 7:50 pm

Jim,

I upgrade some of my customers to 4" Pellet Pro pipe. It is 4" inside dia., same as the pipe the 105 comes with, it is a stainless steel inner pipe that is rated for corn (very acidic) and looks a hell of a lot better. You will need a wall thimble, a stove adaptor, a horizontal cap and the length of pipe to go through the wall. Code is 12" away from wall, I usually go 24" beyond wall. you will need some high temp seal (Mil-Pac) for the joint between the stove and stove adaptor. Pellet Pro needs no sealant on their pipe joints.

Mike

 
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europachris
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Post by europachris » Sat. Oct. 18, 2008 6:53 pm

+1 on the Pellet Pro. I installed my 90k DV model last year with the stuff. You can have a look here: Keystoker Installation Finally DONE! It's not cheap, but it's REALLY nice. I bought the unfinished pipe and just sprayed it with black stove paint. It scratches easily, but looks good and is easy to touch up.

Zero corrosion inside the pipe, but the last few inches of the outer shell and the cap look a little rough as it exhausts so little heat that the combustion byproducts are able to condense (yellow sulfur deposits, etc) and when they get wet due to rain/snow, it causes some corrosion. I expect to have to replace the last section of pipe and maybe the cap every 3 to 5 years. The rest of the setup will likely last for eternity.

I do disconnect and disassemble the venting for the summer and plug the thimble hole inside and out, so there's no moist air or water getting in all summer.

Chris


 
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Jim G
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Post by Jim G » Sun. Oct. 19, 2008 8:12 am

OK guys, thanks for your replies and reccommendations. I'm going with the pellet pro pipe. I'll post the results later and I look forward to the stoker experience and being able to assist others in the future. I'm going to get the draft meter and a pipe thermometer to monitor the proformance of the stove.
By the way almost every pellet stove dealer in the greater Portland, ME area won't recommend doing this. It's clear most of them just don't know what to tell people. Which puzzles me because I'm in sales and I do everything I can to find out what the competition is up to and why they're successful (or not).

Thanks again.
Jim

 
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europachris
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Post by europachris » Thu. Oct. 23, 2008 8:53 am

Jim G wrote: It looks like Keystoker has down graded some stuff they ship with their stoves. I expected an actual wall thimble not a 6" pipe section to slide over the 4" and 2 small ss plates that fit very slopedly over that . No Kol-trol thermostat, just a Honeywell. And the ash pans are galvinized pales from Agway.
So if this pipe is sufficient I'll get a better wall timble and go with it for now. Thanks for the reply and any further ideas you can send my way.
I was going to reply further to this earlier and forgot - Keystoker hasn't downgraded anything they ship with their stoves - it's more that other companies have upgraded what they ship. My 90k unit is at least 10 years old, and the "manual" that comes with it is a copy of a copy of a copy. It's usable, but something a 6th grader could put together far better. But, it shows the same setup for venting and controls as the current stoves. BUT, the setup they supply for venting is entirely adequate (and inexpensive). The exhaust temps from my stove have never been over 200-230F even at almost max burn rate. Therefore, it doesn't take much to vent it. The Pellet Pro pipe is total overkill, but it looks good and was easy to set up.

I installed a Honeywell Round thermostat and even with it in same room as the stove, it maintains +/- a few degrees of temperature. I have no desire for a Coal-Trol. The Honeywell has an adjustable heat anticipator setting to allow you to tweak it for how many times it should cycle per hour and that helps avoid overshoots/undershoots.

The "Agway" ash pans simply WORK, and they are CHEAP to replace rather than a custom fabricated square pan. Furthermore, they are hot dip galvanized after they are formed and simply don't rust. I ordered a pair of pans from Keystoker, expecting "real" ash pans and laughed when I got them. I overpaid for what I got from them, considering I can buy them locally, but they were cheaper than a custom pan. The nice big bail handle makes them easy to carry and dump. The only thing I'd like would be covers for them, but I've not had a problem with ash blowing out as I carry them through the house.

The one thing they changed on the newer stoves is the actual design and construction of the body. My stove has a fully double wall construction with the stove completely surrounded by the air jacket, along with a heat exchanger above the firebox. My stove has a fantastic amount of steel in it (I estimate it's at least 500#) and a lot of fabrication to make it. It's wonderful in that the outside of it never gets above hand warm except the front around the door, so it's nice with small kids and pets. HOWEVER, the heat exchanger is a fantastic fly ash collector and a royal PITA to clean. When I purchased the stove (well used and ugly), in the process of getting it home and 're-habbed', during which I had it tipped on various sides, I estimate at least 10# of fly ash and junk fell out of the upper regions of the stove. It must have been plugged solid.

So now my routine twice a year is to hook up a washing machine drain hose to my shop-vac and snake that up in the stove and vacuum out the ash as best as possible. The newer stoves have eliminated the double wall/heat exchanger construction and will be a lot easier to keep clean.

Chris

 
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Post by ceccil » Thu. Oct. 23, 2008 10:35 am

I don't think Keystoker has downgraded anything. The thimble and venting pipes are the same ones they have been supplying as far as I can tell. To my knowledge the Honeywell thermostat has been the only thermo that came standard with the stoves. I believe the Coal-trol was an option at an additional cost. Without seeing a pick of the ash pans, I would think that if they are just Agway pans and they fit and work as well as the square that used to come with the stove that is an advantage. They most likely are cheaper and more readily availible.

Jeff

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