Rinnai Sensei 8.9 GPM Commercial 160,000 BTU Propane/Natural Gas Indoor/Outdoor Tankless Water Heater CX160iN,Leading Tankless Water Heater in the US | Rinnai,Rinnai Tankless REP Series 160 | York County Natural Gas Authority,Rinnai 104000021-K Gas Control Valve,104000218 - Rinnai 104000218 - NG to LP Conversion Kit for RUCS75I Tankless Water Heater, 104000218