Meet the Rinnai Sensei SE+ 10 GPM Outdoor Natural Gas Condensing Tankless Water Heater — a compact, on-demand hot water solution crafted for households that want reliable warmth without the waste. Outdoor-ready and WiFi-enabled, it delivers endless hot water when you need it and zero standby energy loss when you don’t. Say goodbye to cold showers and hello to smarter, more efficient comfort.

Key Features & Design

• Delivers up to 10 GPM — powerful enough for multiple showers or appliances running at once.
• WiFi control via Control-R module — monitor and adjust from your smartphone.
• 0.95 Uniform Energy Factor — strong energy savings while staying green.
• Installed outdoors to free indoor space, with a rugged design built to withstand the elements.
• Compatible with an external pump for faster hot water through scheduled or on-demand recirculation.
• Temperature protection prevents accidental changes for peace of mind.
• Operates only when hot water is needed, with up to 180,000 BTUs for fast heating and zero standby energy loss.
• Ultra-low NOx emissions meet modern clean-air standards.
• Long-term reliability with up to 15 years on the heat exchanger and strong parts-and-labor coverage.
• Includes manuals, specs sheet, and brochures to help with setup and maintenance.

FREE USA SHIPPING — Your Rinnai Sensei SE+ Tankless Water Heater will be packed and shipped within 1-3 business days and delivered to you between 5-10 business days.

Specifications

• Delivers up to 10 GPM
• 0.95 Uniform Energy Factor
• Up to 180,000 BTU input
• Outdoor installation
• Ultra-low NOx
• 15-year heat exchanger warranty and strong parts-and-labor coverage