Keystoker 90 Direct Vent Install

Keystoker 90 Direct Vent Install

PostBy: Dans58 On: Sun Jul 13, 2008 10:01 pm

I am installing a Keystoker 90 in my basement. I'm struggling to find a place to put the direct vent where it isnt' too close to a window or door. So, I have a couple of questions: 1) How far can I run my vent pipe horizontal in my basement? One place that might work would require me to run about 8-10 feet inside my basement in a horizontal run to get to the exterior wall/vent . 2) Can I put more than one 90 elbow in my vent pipe? If I can go 90 off of the top of the stove and go about 3 feet to another 90 and "turn left" toward the exterior wall, that would work well. thanks.
Dans58
 
Stove/Furnace Make: Keystoker
Stove/Furnace Model: 90K DV

Re: Keystoker 90 Direct Vent Install

PostBy: Blackdiamonddoug On: Mon Jul 14, 2008 9:33 am

Direct vent

It is better to travel a longer distance that to install 90 elbows.
There probally tell you in the direction how many degrees of bend you can put in with out causing problems.
Two 45 deg bends don't give you as much resistance to flow as one 90 in close proxcimity to the stove.

If you can adjust fan speed thus overcomming the back pressure from installing 90 degree elbows probally won't matter.
If it is fixed speed be careful with the 90 degree elbows.

Had a simular problem with a pellet stove.
I had to add 2 feet of arctectual cinder block under stove to avaoid using a 90 elbow behind the stove.

When direct venting avoid door and windows by 3' to keep you and your family safe.

BDD
Blackdiamonddoug
 
Stove/Furnace Make: axemen 260 rebuilt by Matt
Stove/Furnace Model: stoker AA 260

Re: Keystoker 90 Direct Vent Install

PostBy: LsFarm On: Mon Jul 14, 2008 10:20 am

The longer you make the horizontal runs, the more ash will accumulate in the flue pipe, and will require more frequent cleaning..

Remember, a DV has pressure in the flue pipes, so they must be sealed with RTV and high temp tape.. I'd make a short a run and as few elbows as possible so that the dissassembly for cleaning is simplified.


Greg L
LsFarm
 
Stoker Coal Boiler: Axeman Anderson 260
Hand Fed Coal Boiler: Self-built 'Big Bertha' SS Boiler
Baseburners & Antiques: Keystone 11, Art Garland



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