If you are planning on installing a liner for a gas or oil burning appliance we need to know the total input btu s of all the appliances that will vent into the chimney liner.
Chimney liner sizing chart for oil.
This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home.
Refer to our fireplace sizing chart to help you find the liner diameter size you need.
A csia certified chimney sweep can properly evaluate size recommend and install the appropriate chimney liner for your home heating equipment.
Once we have the btus and the gph the next item to address is to count the amount of elbows that are in the connector pipe that goes from the appliance to the chimney.
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.
The standard 10 1 ratio has been used in the chart above.
To be safe we recommend a 10 1 ratio for chimneys less than or equal to 25 feet in height and a 12 1 ratio for chimneys greater than 25 feet in height.
A guide to chimney sizing tables for venting heating appliances.
Never size a liner based on the size of the exhaust for gas or oil appliances.
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.
If it is a wood burning appliance we need to know the size of the flue outlet on the stove.
A ul listed stainless steel flue liner or a ul listed cast in place chimney lining system designed to vent the flue gases of oil fired appliances should be installed.
If you need to convert round liner dimensions to oval or rectangular try our liner shape calculator for ordering multiple sections of liner pipe try our chimney liner and flue pipe length calculator.
10 6 general factors for chimney sizing graphs section 11 general design methods 11 1 the chimney design equation 11 2 the chimney design chart 11 3 design chart recommended factors 11 4 steps to use design chart figure 34 for sizing 11 5 example using design chart to find gas vent size section 12 checking vent system operation draft hood.