Bradford White TTW ULG2PV50H565N19 Installation And Operation Instruction Manual page 13

Venting continued-
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) vent pipe, use a 4" (10.1 cm) to 3" (7.6 cm)
reducer and exit the building wall with 3" (7.6 cm) vent pipe using the 3"
(7.6 cm) 90° vent terminal supplied. Two 45° elbows are equivalent to one
90° elbow.
CONNECTION TO 3" (7.6 CM)
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.
TABLE 2 -VENT CONNECTOR LENGTHS
FOR 4'' (10.2 cm) DIAMETER VENT PIPE
# of 90°
Elbows (excl.
vent term.)
1
2
3
4
5
0
1
2
3
4
VENT PIPE
IMPORTANT
Maximum straight
Length ft (m)
48 gal.
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)
CONNECTION TO A 3" (7.6 CM) TO
4" (10.2 CM) REDUCER
Figure 2
13
Min
straight
Length
ft (m)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)