Bradford White URG2PV75H6N-475-264 Manual page 15

Venting continued-
THROUGH THE WALL VENTING: (HORIZONTAL VENTING)
(8.9 cm)
Cut a 3 1/2 in. diameter hole in the wall at the point where the
vent connector is going to pass through the wall. Use the proper cement
to secure the 90° vent terminal provided with the water heater to the vent
connector. The distance between the edge of the 90° vent terminal and the
(2.5 cm)
exterior wall (see Figure 3) must be 1 in. . Use the proper cement
and assembly procedures to secure the vent connector joints between the
terminal and the blower outlet. Provide support brackets for every 5 feet
(1.5 m)
of horizontal vent.
Figure 3
15