Noritz N-132M Owner's Manual And Installation Manual page 62

B-2. Example of Installation with a Storage Tank and Recirculation System
The pump will push water through the Multi-System to heat up the tank.
When the return temperature is high, the flow within the device will be limited to 2.5 GPM*.
(For the 84M, the flow will be limited to 1.25 GPM.)
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