Gas and Oil Home Heating Furnaces - Wood Burning Fireplace

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vilnev
11-11-02, 03:33 PM
I am finishing my basement that is actually first floor level. I got a great deal on a Heatilator NA36 wood burning fireplace, understanding that it could be used with the chimney already in place. Currently we have an old cast iron wood stove. The stove is vented through the wall to the roof via a brick masonry chimney. The chimney is split and also serves the first floor fireplce. I believe the stove has 6" stove pipe run inside the chimney from the stove to the roof. Is there any reason that I could not replce the stove with this "zero clearance" wood burning fireplce. The fireplace uses a 8" insulated pipe, venting at the top of the unit. Can I use a reducer and use my chimney or do I have to use the air-cooled chimney system. After I purchased the unit, I've heard conflicting views. HELP!!!
C Villeneuve


GregH
11-11-02, 06:34 PM
vilnev:
The only one that can answer your question with any degree of certainty is the manufacturer of the stove.
Any approvals that your stove has will be dependant on using the mfr's recommended chimney.

hvac4u
11-11-02, 07:44 PM
reduce the flue size on any appliance. period. this opening is sized for the unit, and can be increased if venting tables call for it. excessive horizontal run, or flue type will be taken into consideration here. check liner size, it may accommodate larger capacity than 6 inch


vilnev
11-14-02, 06:29 PM
Originally posted by hvac4u
reduce the flue size on any appliance. period. this opening is sized for the unit, and can be increased if venting tables call for it. excessive horizontal run, or flue type will be taken into consideration here. check liner size, it may accommodate larger capacity than 6 inch

I know little to nothing about indoor fireplaces. I can start a mean fire but that is where my knowledge ends. By liner I am assuming you mean the liner in the chimney. If the chimney can accomodate an eight inch liner, how do you get the old one out to put a new one in? We're talking three stories and an A-frame with a dangerously pitched roof. I would hate to think I've purchased a $300 corner ornament. Is this going to cost a fortune to replace the liner if needed? Thanks for your imput.
PS My husband served in the First Batallion Tenth Marines at Courthouse Bay at Camp LeJeune, North Carolina.
Semper Fi

GregH
11-15-02, 08:11 PM
vilnev;
It is very important that the chimney be the correct design for the stove. You are replacing your old cast iron stove with one that could have completely different burning characteristics. Because of this and the fact that your chimney is so high the room for error is very small.
Because we are unable to see the whole picture we can only provide generalities.
Again I would suggest you consult the stove mfr, or a qualified installer.
There is too much at stake if something is not right.