Rinnai Circ-Logic - Appendix - System Drawings; SENSEI and Non-SENSEI Recirculation Using One Tankless Water Heater

Rinnai Circ-Logic with Grundfos GTK03 Kit 12
Figure 5
Hot Water Outlets
Check Valve
Cold Water Supply
Gas Supply
Condensate Drain Line
3/4 in. Return Line Recommended
GTK03U Pump
Expansion
Tank