Installation Guide
GAS COOKTOP INSTALLATION INSTRUCTIONS
14
DUCT PIECES
EQUIVALENT
LENGTH X
NUMBER
USED =
EQUIVALENT
LENGTH
6" (15.2cm) Round
Straight **
1 Ft. (0.3m) Ft. or m
6" (15.2cm) Round Metal Flex
No Bends **
1.5 Ft. (0.45m) Ft. or m
6" (15.2cm)
90° Elbow
10 Ft. (3m) Ft. or m
6" (15.2cm)
45° Elbow
5 Ft. (1.5m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
Straight **
1 Ft. (0.3m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
90° Elbow
10 Ft. (3m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
45° Elbow
5 Ft. (1.5m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
90° Flat Elbow
10 Ft. (3m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
to 6" (15.2cm) Round Transition
90° Elbow
30 Ft. (9m) Ft. or m
6" (15.2cm) Round to 3¼" x 10"
(8.2cm x 25.4cm) Transition
90° Elbow
30 Ft. (9m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm) to
6" (15.2cm) Round Transition
5 Ft. (1.5m) Ft. or m
6" (15.2cm) Round to 3¼" x 10"
(8.2cm x 25.4cm) Transition
5 Ft. (1.5m) Ft. or m
6" (15.2cm) Round Wall Cap
with Damper
30 Ft. (9m) Ft. or m
3¼" x 10" (8.2cm x 25.4cm)
Wall Cap with Damper
30 Ft. (9m) Ft. or m
6" (15.2cm) Round Roof Cap 30 Ft. (9m) Ft. or m
TOTAL DUCTWORK Ft. or m
** For Straight Round / Rectangular Duct, measure actual linear
feet used and then multiply by Equivalent Length shown.
Calculating Duct Length Table
For maximum eciency, use the shortest and straightest duct possible. Use as few ttings as
possible. For best performance, the duct run should not exceed 100 feet of equivalent length.
Calculations are approximate and based on HVAC industry standards.