Rheem IKONIC RTGH-SR11i - Gas; Condensation

IKONIC Tankless Water Heater Service Manual
8
GENERAL INFORMATION
GAS
Proper gas size is imperative, as this unit may be able
to get sufficient gas but other appliances on the same
gas line will not. This could cause issues throughout
the home. Refer to U&C Manual for gas supply require-
ments.
CONDENSATION
Remove the cap to prevent an A029 error code. Con-
nect a ½” drain hose at the condensation drain (Shown
in yellow in following illustration.)
17
5
/
16
"
(440 mm)
6
11
/
16
"
(170 mm)
4
9
/
16
"
(116 mm)
3
3
/
8
"
(899 mm)
18
3
/
32
"
(459 mm)
Air Intake
29
15
/
16
"
(760 mm)
1
3
/
4
"
(45 mm)
1
3
/
8
"
(35 mm)
28
9
/
16
"
(726 mm)
5"
(128 mm)
Exhaust Vent
2" (51 mm)
5" (127 mm)
11
1
/
4
" (286 mm)
Hot Outlet
Fitting
Recirculation
Fitting
(Available only on
certain models)
Condensate
Drain
Cold Inlet
Fitting
13
1
/
8
"
(333 mm)
4"
(101 mm)
13
11
/
16
"
(348 mm)
6
11
/
16
"
(170 mm)
5
11
/
32
"
(135 mm)
Gas Supply Fitting
BOTTOM VIEW