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PDX Series
Venting Specifications for:
48 Gallon
65 Gallon
75 Gallon
This water heater is approved for installation with the following PVC, CPVC or ABS
Schedule 40 venting material.
The maximum and minimum vent lengths listed on this label are for the exhaust portion of
the vent. The intake portion of the vent must be equal to or less than the length of the
exhaust.
Terminating
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Terminating
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
Vent Tables
3" Diameter (7.6 cm) PVC Vent Connector Lengths
Maximum 48, 65 gal.
# of
Maximum
Elbows
Length ft (m)
1
55 (16.8)
2
50 (15.2)
3
45 (13.7)
4
40 (12.2)
0
60 (18.3)
1
55 (16.8)
2
50 (15.2)
3
45 (13.7)
4" Diameter (10.2 cm) PVC Vent Connector Lengths
Maximum 48, 65 gal.
# of
Maximum
Elbows
Length ft (m)
1
95 (29.0)
90 (27.4)
2
3
85 (25.9)
80 (24.4)
4
75 (22.9)
5
0
100 (30.5)
95 (29.0)
1
90 (27.4)
2
85 (25.9)
3
4
80 (24.4)
Maximum 75 gal.
Minimum
Maximum
Length ft (m)
Length ft (m)
2 (.6)
45 (13.7)
2 (.6)
40 (12.2)
2 (.6)
35 (10.7)
2 (.6)
30 (9.1)
50 (15.2)
7 (2.1)
45 (13.7)
7 (2.1)
7 (2.1)
40 (12.2)
7 (2.1)
35 (10.7)
Maximum 75 gal.
Minimum
Maximum
Length ft (m)
Length ft (m)
10 (3.1)
85 (25.9)
10 (3.1)
80 (24.4)
10 (3.1)
75 (22.9)
10 (3.1)
70 (21.3)
12 (3.6)
65 (19.8)
15 (4.6)
90 (27.4)
15 (4.6)
85 (25.9)
15 (4.6)
80 (24.4)
15 (4.6)
75 (22.9)
15 (4.6)
70 (21.3)
Specifications
Minimum
Length ft (m)
2 (.6)
2 (.6)
2 (.6)
2 (.6)
7 (2.1)
7 (2.1)
7 (2.1)
7 (2.1)
Minimum
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)
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