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OUTPUT TEMPERATURE CHART
Chart is based on properly sized gas line
110U (AT-KJr3U-IN/OS)
Output Temperature Chart
Owner's Guide
*When the set temperature is 130 °F (55 °C) or higher, maximum flow rate is limited to 8.0 GPM.
Output Temperature vs. GPM (Max. 6.6 GPM) with Various Inlet Water Temperature
Output Hot Water GPM
Set Temp. (°F)
Incoming Temp. (°F)
510U (AT-D3U-IN/OS)
Output Temperature vs. GPM (Max. 10.0 GPM) with Various Inlet Water Temperature
Output Hot Water GPM
Set Temp. (°F)
Incoming Temp. (°F)
310U (AT-K5U-IN/OS)
Output Temperature vs. GPM (Max. 8.0 GPM) with Various Inlet Water Temperature
Output Hot Water GPM
Set Temp. (°F)
Incoming Temp. (°F)