Bradford White M1TW40S Series Service Manual page 8

Ttw series through-the-wall gas water heaters
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Venting Specifications for:
48 Gallon
65 Gallon
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Page 8
8
Vent Tables
3" Diameter (7.6 cm) PVC Vent Connector Lengths
# of
Terminating
Elbows
1
2
3
4
0
1
2
3
4" Diameter (10.2 cm) PVC Vent Connector Lengths
# of
Terminating
Elbows
1
2
3
4
5
0
1
2
3
4
Maximum Straight
Minimum Straight
Length ft (m)
55 (16.8)
50 (15.2)
45 (13.7)
40 (12.2)
60 (18.3)
55 (16.8)
50 (15.2)
45 (13.7)
Maximum Straight
Minimum Straight
Length ft (m)
175 (53.3)
170 (51.8)
165 (50.3)
160 (48.8)
155 (47.2)
180 (54.9)
175 (53.3)
170 (51.8)
165 (50.3)
160 (48.8)
Specifications
Length ft (m)
2 (.6)
2 (.6)
2 (.6)
2 (.6)
7 (2.1)
7 (2.1)
7 (2.1)
7 (2.1)
Length ft (m)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
12 (3.6)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)
Page 8

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