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Specifications
All models are available in Natural Gas and Propane (LP).
For Propane replace the N with P when ordering.
Installation Vent Kits available separately:
Vent Termination Kits are required for Direct Vent models. Contact your distributor for details.
Proper gas pressure must be ensured to supply tankless gas water heaters – up to 199,900 BTU for
RTG-74 models. (Consult your gas supplier)
Water Heater Flow Rate Curves
9
8
7
6
5
4
3
2
1
0
10
15
20
25
30
35
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.
74 Max Flow
40
45
50
55
60
70
80
Delta-T
90
100
®
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