Chimney Liner Capacity Chart

For single category 1 appliance.

Chimney liner capacity chart.

Chimney liner insulation kit 6in. Just muliplying these dimensions together 6 75 x 6 75 45 56 sq in. For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4. Chimney vent capacity chart btu h and kw pdf.

601 760 sq. The vent connector should be routed to the vent utilizing the shortest possible route. 761 942 sq. Flex king 7 5x20 insert kit.

Stainless steel chimney liners while offering unrivaled customer service for the best buying experience. For each additional elbow greater than 45 deg up to and including 90 deg the maximum capacity in the sizing tables must be reduced by 10. Chimney liner size calculator amp. Deluxe terra cotta top plate 12in x 13in x 13in 155 00.

Guide provided by rockford chimney. The liner size is the number one factor for the appliance to burn properly. Aluminum flexible chimney liner and gas vent connector installation instructions vent connector capacities f or m u l tipl e categ ory 1 appl iances connected to a com m on vent rigid connector siz ing inf orm ation nat nat nat nat. 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.

But chimney experts and draft measurements show that in a rectangular flue not all of the cross sectional area is equally effective in developing draft. Chimney vent capacity chart btu h and kw. The chart below uses a 10 1 ratio. Capacity listed in the sizing tables must be reduced by 5.

This can cause smoke to pour out of the stove and it can also cause gas and oil. Flex king pro chimney liner 4x40 316ti 460 00. Use this tool to quickly calculate flue diameter or btu s for single or multiple category 1 appliance venting. Undersized liners will not allow the appliance to vent properly.

This is no job to cut corners though. The chimney liner should never be undersized for any appliance especially to accommodate insulation around the liner. Doing the work as a d i y homeowner can save hundreds and possibly thousands of dollars. A 10 1 ratio should be used for chimneys less than 25 feet in height and a 12 1 ratio for chimneys greater than 25 feet in height.

Up to 600 sq. A cross sectional area of chimney m 2 q volume of flue gases at chimney temperature m 3 s v velocity m s in general 1 kw boiler heat requires 1100 mm 2 of chimney area.