Rinnai 11.1-GPM Commercial 199000-BTU Exterior/Interior Propane。Rinnai Super High Efficiency Plus 9.8-GPM 199000-BTU Indoor。Rinnai Steel Recess Box For Tankless Gas Water Heater RGB-CTWH-2。目立った傷汚れ無し綺麗な方です。Rinnai Demand Duo R-Series 119 Gal. Commercial Hybrid Water。都市ガス用