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S
pecifications
V
enting 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.
Through the Wall
Terminating
# of
Elbows
Maximum
Length ft (m)
Minimum
Length ft (m)
3" Diameter (7.6 cm) PVC Vent Connector Lengths
1 55 (16.8) 2 (.6)
Through the Wall 2 50 (15.2) 2 (.6)
Through the Wall 3 45 (13.7) 2 (.6)
Through the Wall 4 40 (12.2) 2 (.6)
Through the Wall
Terminating
# of
Elbows
Maximum
Length ft (m)
Minimum
Length ft (m)
4" Diameter (10.2 cm) PVC Vent Connector Lengths
1 95 (29.0) 10 (3.1)
Through the Wall 2 90 (27.4) 10 (3.1)
Through the Wall 3 85 (25.9) 10 (3.1)
Through the Wall 4 80 (24.4) 10 (3.1)
Through the Roof 0 60 (18.3) 7 (2.1)
Through the Roof 1 55 (16.8) 7 (2.1)
Through the Roof 2 50 (15.2) 7 (2.1)
Through the Roof 3 45 (13.7) 7 (2.1)
Through the Roof 0 100 (30.5) 15 (4.6)
Through the Roof 1 95 (29.0) 15 (4.6)
Through the Roof 2 90 (27.4) 15 (4.6)
Through the Roof 3 85 (25.9) 15 (4.6)
Through the Wall 5 75 (22.9) 12 (3.6)
Through the Roof 4 80 (24.4) 15 (4.6)
Vent Tables
Page 7
PDX Series
Maximum
Length ft (m)
Minimum
Length ft (m)
45 (13.7) 2 (.6)
40 (12.2) 2 (.6)
35 (10.7) 2 (.6)
30 (9.1) 2 (.6)
50 (15.2) 7 (2.1)
45 (13.7) 7 (2.1)
40 (12.2) 7 (2.1)
35 (10.7) 7 (2.1)
Maximum 75 gal.Maximum 48, 65 gal.
Maximum 75 gal.Maximum 48, 65 gal.
Maximum
Length ft (m)
Minimum
Length ft (m)
85 (25.9) 10 (3.1)
80 (24.4) 10 (3.1)
75 (22.9) 10 (3.1)
70 (21.3) 10 (3.1)
90 (27.4) 15 (4.6)
85 (25.9) 15 (4.6)
80 (24.4) 15 (4.6)
75 (22.9) 15 (4.6)
65 (19.8) 12 (3.6)
70 (21.3) 15 (4.6)
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