7.4 Pressure Drop and Water Flow Curves
Figure 100
The chart below applies only to incoming water temperatures of 70°F (21°C) or less. For incoming water
temperatures greater than 70°F (21°C), please contact Rinnai.
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Figure 101
Rinnai Tankless Water Heater Installation and Operation Manual
Dashed lines represent flow rate
after parameter adjustment.
Dashed lines represent flow rate
after parameter adjustment.
Delta T - Temperature Rise (°F)
Water Flow (GPM)
NOTE: Maximum flow rates may vary based
on set temperature, Delta T and altitude.
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