However the interior of your chimney especially after insulating may not have the adequate space.
Chimney liner sizing oil.
The final measurement we need to determine the correct size liner is the height of the chimney.
The ideal flue size is typically determined by the exhaust outlet of the stove or appliance.
For example if it has a 6 opening where the pipe is to be inserted that is the ideal size liner you need.
Sizing tables 12 multiple appliance vents procedure 15 sizing tables 16 additional guidelines 19 multiple story venting sizing guidelines 21 system examples 22 factory built all fuel chimney systems includes flexible stainless liner sizing description 26 sizing tables 27 table of contents.
Air flow and velocity due to natural draft air flow volume and velocity due to stack or flue effect caused by indoor hot and outdoor cold temperature difference.
Boiler heat load and chimney area boiler capacity and chimney area.
And a properly fitted chimney.
For hot water heaters and oil furnaces the ideal diameter of the liner needed to vent your appliance is the size on your unit.
Measure from the top of the chimney to the top of the thimble and add 3 5 to accommodate the liner clamping to the top plate.
Which chimney sizing table to use here is a quick guide to the umc s chimney sizing btuh venting capacity tables when sizing a metal or masonry chimney diameter to match the total input btuh of the heating appliances boiler furnace water heater being vented.
The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don t want the liner to be three times the area of the exhaust hole of the appliance.
A guide to chimney sizing tables for venting heating appliances.
This can cause smoke to pour out of the stove and it can also cause gas and oil appliances to fail.
A properly sized chimney liner protects against fire by providing a proper draft for your furnace thus controlling the amount of heat moving through the chimney.
Undersized liners will not allow the appliance to vent properly.
This self paced online course covers chimney inspections contracts and warranties fireplace flue sizing oil flue sizing gas flue sizing metal specifications reasons to reline a chimney the importance of a flue liner and why a chimney should be inspected as part of the lining relining process.
