Bradford White THROUGH-THE-WALL GAS WATER HEATER Install And Operation Instructions page 13

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
NOTE: When using 4" (10.2 cm) PVC, use a 4" (10.1 cm) to 3" (7.6 cm)
reducer and exit the building wall with 3" (7.6 cm) PVC using the 3" (7.6
cm) 90 vent terminal supplied. Two 45 elbows are equivalent to one 90
elbow.
All of the Venting connections must be leak checked with a soap and
water solution upon initial start up of the water heater. Any leaks must
be repaired before continuing operation of the water heater.
NOTE: ABS or CPVC pipes may be substituted for PVC pipe. Do not mix
ABS and PVC pipe in the same installation.
Venting (Part I) continued-
TABLE 3 -VENT CONNECTOR LENGTHS
FOR 4" (10.2 cm) DIAMETER PVC
# of 90 Elbows
(excluding vent
terminal)
1
2
3
4
5
1
2
3
4
5
IMPORTANT
Maximum
Length
70 ft (21.3 m)
65 ft (19.8 m)
60 ft (18.3 m)
55 ft (16.8 m)
50 ft (15.3 m)
70 ft (21.3 m)
65 ft (19.8 m)
60 ft (18.3 m)
55 ft (16.8 m)
50 ft (15.3 m)
Figure 2
13
Minimum
Length
2 ft (.6 m)
3 ft (.9 m)
5 ft (1.5 m)
8 ft (2.4 m)
12 ft (3.6 m)
2 ft (.6 m)
3 ft (.9 m)
5 ft (1.5 m)
8 ft (2.4 m)
12 ft (3.6 m)