Installation and Operation Manual
Rinnai Tankless Water Heater Installation and Operation Manual 51
4.7 Install the Isolation Valves
4.7.1 Instructions
Hot Isolation Valve (Red)Hot Outlet
Hand tighten the Swivel NutHot Isolation Valve (Red) to the Hot Outlet
Rotate the Drain ValveSwivel Nut to the
Cold Isolation Valve (Blue)
Cold Isolation Valve (Blue) to the Cold Water Supply Line
Hot Isolation Valve (Red) to the Hot Water Supply Line
Drain Valves
Figure 54
Hot Outlet
Cold Inlet
(Red)