Rinnai 's V65I INTERIOR-mount tankless water heater efficiently up to 6.6-Gallon per narrow -LRB- GPM -RRB- of sweltering water, making it ideal for your one to two and uncomplete bathroom home. This easy-to-install, ultra-compact unit you enjoy all the benefits of Rinnai tankless water heating. You 'll clean , time-tested sweltering water at a pursuant pre-set temperature, while saving energy and wanted floor space in your home.