Chimney Liner Capacity Chart

601 760 sq.

Chimney liner capacity chart.

Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue. Undersized liners will not allow the appliance to vent properly. This can cause smoke to pour out of the stove and it can also cause gas and oil. Chimney liner size calculator amp.

Chimneys and vents on an outside wall must be. 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. The liner size is the number one factor for the appliance to burn properly. Chimney vent capacity chart btu h and kw pdf.

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. Flex king pro chimney liner 4x40 316ti 460 00. Chimney vent capacity chart btu h and kw. 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.

Capacity listed in the sizing tables must be reduced by 5. Doing the work as a d i y homeowner can save hundreds and possibly thousands of dollars. The vent connector should be routed to the vent utilizing the shortest possible route. Chimney liner insulation kit 6in.

761 942 sq. Guide provided by rockford chimney. Just muliplying these dimensions together 6 75 x 6 75 45 56 sq in. The chimney liner should never be undersized for any appliance especially to accommodate insulation around the liner.

Flex king 7 5x20 insert kit. This is no job to cut corners though. 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. The chart below uses a 10 1 ratio.

Stainless steel chimney liners while offering unrivaled customer service for the best buying experience. For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4. 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. For single category 1 appliance.

5in thickness 320 00. 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.