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Vent Tables
Venting Specifications for:
40 Gallon—40,000 BTU/hr.
50 Gallon—40,000 BTU/hr.
6
0 Gallon—42,000 BTU/hr.
2” Diameter (5.1 cm) PVC Vent Connector Lengths
Terminating # of Elbows
Maximum Straight
L
ength ft (m)
Minimum Straight
L
ength ft (m)
T
hrough the Wall 1 45 (13.7) 2 (0.6)
Through the Wall 2 40 (12.2) 2 (0.6)
Through the Wall 3 35 (10.7) 2 (0.6)
Through the Wall 4 30 (9.2) 2 (0.6)
Through the Roof 0 50 (15.2) 7 (2.1)
Through the Roof 1 45 (13.7) 7 (2.1)
Through the Roof 2 40 (12.2) 7 (2.1)
Through the Roof 3 35 (10.7) 7 (2.1)
Through the Roof 4 30 (9.2) 7 (2.1)
3” Diameter (7.6 cm) PVC Vent Connector Lengths
Terminating # of Elbows
Maximum Straight
Length ft (m)
Minimum Straight
Length ft (m)
Through the Wall 1 115 (35.0) 10 (3.1)
Through the Wall 2 110 (33.5) 10 (3.1)
Through the Wall 3 105 (32.0) 10 (3.1)
Through the Wall 4 100 (30.5) 10 (3.1)
Through the Wall 5 95 (29.0) 10 (3.1)
Through the Roof 0 120 (36.6) 15 (4.6)
Through the Roof 1 115 (35.0) 15 (4.6)
Through the Roof 2 110 (33.5) 15 (4.6)
Through the Roof 3 105 (32.0) 15 (4.6)
Through the Roof 4 100 (30.5) 15 (4.6)
Specifications
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