40 Mounting the Vent System – Vertical Discharge
Figure 32. Illustration Showing the Installation of Vertical Discharge Venting.
Vent connections must be firmly pressed together, so that the gaskets form an airtight seal. Secure the
system with a vent pipe clamp or perforated hanger iron.
High Altitude Installations
The default setting for the water is 0-2,000 ft (0-610 m) with dip switch numbers 2 and 3 in the OFF
position. If this water heater is installed at a higher altitude, it is necessary to modify the dip switch
settings according to Table 9.
Table 9. Dip Switch Settings for High Altitude Installations.
0-2000 ft
(0-610 m)
2001-5200 ft
(610-1585 m)
5201-7700 ft
(1585-2347 m)
7701-10200 ft
(2347-3109 m)
Switch No. 2 OFF OFF ON ON
Switch No. 3 OFF ON OFF ON
Switch N o.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch No.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch N o.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch N o.
F
O
F
8
5
7
6
4
3
ON
1
2