Basement Install Stove

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CAUTION: Do not connect your furnace’s ductwork to the cold air return duct of your existing furnace because a possibility exists of components of the central furnace overheating and causing it to operate other than intended.
This manual says to feed into the hot ducting, not the cold air return.
 
That setup looks like it is a furnace setup. The one I have waiting for me is a stove, not a furnace. Pretty sure I am going to scrap the idea about running this through my existing furnace. However I still might put this stove in my basement to make it nicer down there.
My next question comes on the exhaust pipe. If I run it out the back of my furnace and up to the ceiling and out the side of my house, I am only going to be above 18" about the grade outside. Is this going to be ok? Also it is going to be about 3' from my exhaust/ intake on my lp furnace.
 
This manual says to feed into the hot ducting, not the cold air return.

Yes, that depends on your make and model furnace. The one I serviced did go into the cold air return but it does depend on your furnace.
 
The CFM on the Harman is under 150. Hardly able to pump much on its own through a duct system. One of my few gripes I have with the stove. Our Bixby, Elena and Hestia have blowers more than twice that and quieter. Stove will be nice addition to man cave and able to use it on fireplace mode too.
 
Don222
I think the OP was suggesting hooking a Pellet Stove Not a Furnace and hooking into the Cold Air Return and not the plenum.

If I understand your picture correctly you are showing a picture of a Pellet Stove hooked to the Plenum and not the Cold Air Return. A lot of Cold Air Returns are wood chases so I don't think a stove manufacture would like it hooked to the cold air return for fire safety.
It would be interesting to me if someone has a pellet burner hooked up to the cold air return and is using the furnace fan to circulate the heat what the temperature is at one of the registers.
 
And what hot, instead of cold, air being run through the guts of the furnace does to it. The only add ons I have seen, and no I haven't seen a lot of them, fed the hot air into the hot air distribution ducting, not the cold air return.
 
We have a few stoves feeding the cold air return on gas and A/C central ducted systems. I haven't read through the thread so I assume the stove would not be direct coupled. If so it works great as the ducted system moves a far greater volume of air than the stove produces so you are mixing room air with the stove heat so the temp is not that high. It does reduce the load on the system a lot so you save a lot of energy.
I would never direct couple, that would be just asking for trouble.
This is what I was thinking. I keep going back and forth on it.
 
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