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Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
Product Description Rinnai's high-efficiency non-condensing indoor tankless natural gas water heater models offer advanced technology for your home with comfort and value. Designed to be extremely compact, this small water heater only takes up the space of a small suitcase, letting you reclaim some of your home's most valuable real estate. This smart on-demand hot water heater can be made even smarter with a Rinnai Controlr for WiFi connectivity (not included). This easy-to-install, ultra-compact unit lets you enjoy all the benefits of Rinnai tankless water heating. You'll experience clean, reliable hot water at a consistent pre-set temperature, while saving energy and precious floor space in your home. From the Manufacturer Stop planning your mornings and evenings around your water heater. Set your own schedule, thanks to the R75LSi. Ideal for two- to three-bathroom homes, the R75LSi delivers up to 7.5 gallons of hot water per minute (GPM), while saving energy and money. Mount your compact R75LSi in virtually any room, and vent directly to the outside with a single wall or roof penetration.