Install Instructions
17
Venting continued-
Connection to 2 in. (5.1 cm) Connection to a 2 in. (5.1 cm) to
vent pipe 3 in. (7.6 cm) reducer or 4 in.
(10.2 cm) reducer vent pipe
Figure 2 – Vent Connections
NOTE: When connection is made to a 3 in. (7.6 cm) or a 4 in. (10.2 cm) vent pipe,
the reducer must be applied to the 2 in. (5.1 cm) pipe attached to the blower
exhaust as shown.
NOTICE
The air intake and exhaust terminals may be located on separate outside
walls or one terminal may exit the roof while the other is through the wall.
The total combined equivalent vent length must be within the limits specified
in the venting tables and the intake length cannot exceed the exhaust by
more than 30 ft. (9.2 m).
IMPORTANT
All venting connections must be leak checked with a soap and
water solution upon initial startup of the water heater. Any leaks
must be repaired before continuing operation of the water heater.