13
A. Fuel: Natural Gas
B. Total Vertical Vent Rise: 12 feet
C. Total Horiz. Vent Run (Actual): 0 feet
D. 90° Elbows Needed: 1
E. 45° Elbows Needed: 0
F. Total 90° Elbows Equivalent : 0
G. 90° Elbows in Excess of 2: 0
H. Additional Horiz. Feet Equivalent 0
I. Total Horizontal Vent Run (Equivalent): 0
Use Natural Gas Chart Settings for:
12 feet Vertical Rise, 0 feet Horizontal Run.
Exhaust Restrictor Used: A
Air Restrictor Tabs Open: 4
A. Fuel: Natural Gas
B. Total Vertical Vent Rise: 6 feet
C. Total Horizontal Vent Run (Actual): 6 feet
D. 90° Elbows Needed: 3
E. 45° Elbows Needed: 0
F. Total 90° Elbows Equivalent: 3+(0 x ½) = 3
G. 90° Elbows in Excess of 2: 3 - 2 = 1
H. Additional Horiz. Feet Equivalent: 1 X 3 = 3
I. Total Horiz. Vent Run (Equivalent) 6 + 3 = 9
Use Natural Gas Chart Settings for:
6 feet Vertical Rise, 9 feet Horizontal Run.
Exhaust Restrictor Required: A
Air Restrictor Tabs Open: 4
A. Fuel: LP Gas
B. Total Vertical Vent Rise: 10 feet
C. Total Horizontal Vent Run (Actual): 7 feet
D. 90° Elbows Needed: 2
E. 45° Elbows Needed: 2
F. F. Total 90° Elbows Equivalent:2+(2 x ½) = 3
G. 90° Elbows in Excess of 2: 3 - 2 = 1
H. Additional Horiz. Feet Equivalent: 1 x 3 = 3
I. Total Horiz. Vent Run (Equivalent): 7 + 3 = 10
Use LP Gas Chart Settings for:
10 feet Vertical Rise, 10 feet Horizontal Run.
Exhaust Restrictor Required: B
Air Restrictor Tabs Open: 5
A. Fuel: LP Gas
B. Total Vertical Vent Rise: 2 feet
C. Total Horizontal Vent Run (Actual): 10 feet
D. 90° Elbows Needed: 2
E. 45° Elbows Needed: 0
F. Total 90° Elbows Equivalent: 2+(0 x ½) = 2
G. 90° Elbows in Excess of 2: 2 - 2 = 0
H. Additional Horiz. Feet Equivalent: 0 x 3 = 0
I. Total Horiz.Vent Run (Equivalent): 10 + 0 = 10
Use LP Gas Chart Settings for:
2 feet Vertical Rise, 10 feet Horizontal Run.
Exhaust Restrictor Used: Restrictor Not Used
Air Restrictor Tabs Open: 3 ½
A. Fuel: Natural Gas
B. Total Vertical Vent Rise: 0 feet
C. Total Horiz. Vent Run (Actual): 0 feet
D. 90° Elbows Needed: 0
E. 45° Elbows Needed: 0
F. Total 90° Elbows Equivalent : 0
G. 90° Elbows in Excess of 2: 0
H. Additional Horiz. Feet Equivalent 0
I. Total Horizontal Vent Run (Equivalent): 0
Use Natural Gas Chart Settings for:
0 feet Vertical Rise, 0 feet Horizontal Run.
Exhaust Restrictor Used: Restrictor Not Used
Air Restrictor Tabs Open: Restrictor Not Used
A. Fuel: LP Gas
B. Total Vertical Vent Rise: 1 feet
C. Total Horizontal Vent Run (Actual): 3 feet
D. 90° Elbows Needed: 2
E. 45° Elbows Needed: 0
F. F. Total 90° Elbows Equivalent:2+(0 x ½) = 2
G. 90° Elbows in Excess of 2: 2 - 2 = 0
H. Additional Horiz. Feet Equivalent: 0 x 3 = 0
I. Total Horiz. Vent Run (Equivalent): 3 + 0 = 3
Use LP Gas Chart Settings for:
1 feet Vertical Rise, 3 feet Horizontal Run.
Exhaust Restrictor Used: Restrictor Not Used
Air Restrictor Tabs Open: Restrictor Not Used
VENTING CHART WORKSHEET EXAMPLES