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ThermaCirc360™ Recirculation (Crossover Mode)
Plumbing Diagram (Crossover Mode)
Install thermal isolation valve at the
furthest fixture from the tankless water
heater?
Rinnai Tankless Water Heater Installation and Operation Manual
Condensate Drain Line
Hot Water Supply Line
Hot Water Fixtures
Floor Drain
Gas Supply Line
Cold Water Supply Line
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