Rinnai 50
Ducted Gas Heater IM
Models
Gas Input
MJ/hr
Heat Output
kW
Duct
Connection
Pop Sizes
(mm)
Minimum
Recommended
Return Opening
Airflow @ Total Static Pressure
(L/s)
Weight
(kg)
Fan Motor
Total
Maximum
Current (A)
Maximum
Recommended
Add-On Cooling
Capacity
(kW)
Max
Input
NG
Max
Input
ULPG
Max
Output
NG
Max
Output
ULPG
No Filter
(m²)
With Filter
(m²)
50 Pa 75 Pa 100 Pa 125 Pa
Power
(W)
Current
(A)
Internal
SP521IN
90
N/A
21
N/A
300
0.26
0.39
785 765 740 715
53
315
4.2
6
13
SP521IN XA
90
N/A
21
N/A
350
0.28
0.42
830 800 770 735
53
315
4.2
6
15
SP530IN
130
N/A
30
N/A
350
0.36
0.54
1170 1140 1110 1080
71
650
4.3
6
18
SP530IN XA
130
N/A
30
N/A
400
0.38
0.57 1220 1195 1170 1140
71
650
4.3
6
18
SP535IN
150
N/A
35
N/A
450
0.39
0.58 1245 1215 1190 1160
72
650
4.3
6
22
SP615IN
58
N/A
14
N/A
300
0.26
0.39
695 665 630 595
57
315
4.2
6
10
SP623IN
+
86
N/A
23
23
300
0.26
0.39
765 745 720 695
59
315
4.2
6
13
SP623IN XA
+
86
86
23
23
350
0.28
0.42
795 775 755 730
59
315
4.2
6
13
SP630IN
+
110
N/A
29
29
350
0.36
0.54
1125 1110 1085 1065
72
650
4.3
6
18
SP630IN XA
+
110
110
29
29
400
0.38
0.57
1165 1145 1120 1095
72
650
4.3
6
18
SP635IN
+
129
129
35
35
450
0.39
0.58 1205 1180 1185 1130
76
650
4.3
6
22
ULP capacities are based on propane. All UPG units are compatible with butane/propane blends.
** Model and base duct size
+
ULPG models
Note:
• The manufacturer reserves the right to change specifications without notice.
• Rated air flow of universal units is in the factory default 'internal' configuration.
• Internal units in 'lay down' position reduces rated airflow by up to 30%
