12
Rinnai Tankless Water Heater Installation and Operation Manual
Cold Inlet
Hot Outlet
Indoor (wall
bracket retracted)
Indoor (wall
bracket extended)
Outdoor
G
Gas
4.57 (116)
5.79 (147)
4.74 (121)
3/4 MNPT
C
Cold Inlet
2.24 (57)
3.46 (88)
2.41 (61)
3/4 MNPT
H Hot Outlet
4.6 (117)
5.82 (148)
4.76 (120)
3/4 MNPT
B
Bracket
.40 (10)
1.6 (41)
0.59 (15)
N/A
3.4.1 Supply Connections
Measurements: in. (mm)
Figure 7: Outdoor Model Supply Connections
Table 3: Supply Connections
H
C
G
B
1.17 (30)
4.33 (110)
2.71 (69)
Gas
Cold Inlet
Hot Outlet
H
C
G
B
1.17 (30)
4.33 (110)
2.71 (69)
Gas
Figure 6: Indoor Model Supply Connections
Indoor Models
(RE199i, RE180i, RE160i, and RE140i)
Outdoor Models
(RE199e, RE180e, RE160e, and RE140e)