In most cases a step up is also fine.
Wood stove flue pipe size.
Venting a wood stove.
The smallest stove we ve seen that drafts reliably well with a wall exit is our dwarf 3kw standard which uses a 4 flue system.
For example if you purchase a zero clearance wood burning fireplace with an 8 flue and want to use the simpson duravent duratech chimney pipe you would need to use the duravent dvl 6 inch double wall stovepipe to stove flue adaptor.
A 6 inch stove requires a 6 inch flue.
Use black painted flue pipes.
A fire inside will tend to smolder and the air control settings will have little impact on the burn rate.
My vermont castings wood stove has a 8 inch flue size.
The household rules of thumb start to break down at 3.
The original flue size was 8 inch.
Should the size of the flue be reduced at the back of the stove or continue to use the 8 inch stove pipe and reduce the flue to 6 inch at the thimble that goes into the chimney any advice will be appreciated.
6 7 and 8 inch diameter flue pipes must be at least 24 gauge in thickness.
The other end is smooth and mates with the first section of stove pipe.
The flue will be 6 black stove pipe.
Flue pipe joints should overlap 30 mm 1 1 4 in each joint in the assembly must be fastened with at least three screws.
Because of this manufacturers offer stove pipe adapters to start the run of pipes.
8 single wall or double wall stove pipe.
The way wood stoves and fireplaces work a correct match on fitting the flue size to the appliance is a must.
I originally was going to wrap it in a high temp batting with a stainless wire wrap to hold it in place.
I m now slightly concerned about the insulation on the riser.
Stove pipe is used from the top of the woodstove or freestanding fireplace to the bottom of the ceiling or wall where it will connect to class a chimney pipe or a masonry chimney.
This section is usually 3 to 4 inches in height with a tapered end that fits into the stove collar.
Galvanized flue pipes must not be used because the coatings vaporize at high temperatures and release dangerous gases.
The size of vent collars varies by brand.
In our experience most 3 stoves will not function reliably well with a wall exit even if the pipe size matches the stove.
A wood stove without a flue system attached will not function properly.
Otherwise the remainder will be 1 4 inch thick 5 square tube.