Crossover Mode - Rinnai SENSEI RX199i Installation And Operation Manual

Plumbing Diagram (Crossover Mode)
Note: Warm water may come out of the
cold side of the faucet for a few seconds.
Install thermal bypass valve
at the farthest fixture from the
tankless water heater.
Figure 85
78

CROSSOVER MODE

Figure 84
Hot Water Supply Line
Hot Water Fixtures
Rinnai Tankless Water Heater Installation and Operation Manual
Condensate Drain Line
Floor Drain
Gas Supply Line
Cold Water Supply Line