Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater with Smart-Circ™ Recirculation Pump (LP)

The Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater with Smart-Circ™ Recirculation Pump (LP) redefines comfort and efficiency for modern homes. Designed for outdoor installation, this high-performance water heater offers endless hot water on demand, smart learning technology, and energy-saving performance in a sleek, durable design.

Featuring Smart-Circ™ Intelligent Recirculation™, this advanced system learns your household’s hot water usage patterns and automatically schedules recirculation, minimizing water waste and improving convenience. Built with a compact copper heat exchanger, LED screen, and easy wall mounting bracket, the Rinnai RE Series ensures long-lasting reliability and low maintenance.

Perfect for homeowners who value efficiency, innovation, and sustainability, the Rinnai RE Series delivers premium comfort with a smaller footprint.

Key Features:

• Smart-Circ™ Intelligent Recirculation™ – Learns and adapts to your hot water habits for optimal performance.
• Endless Hot Water – 6.6 GPM flow rate ensures steady water supply for multiple fixtures.
• Energy Efficient – 0.81 Uniform Energy Factor helps save on energy costs.
• Built-In Recirculation Control & Pump – No external controller needed; fully integrated system.
• Compact Design – Clean internal layout and sliding wall bracket make installation simple.
• Durable Construction – Copper heat exchanger enhances longevity and thermal efficiency.
• Optional Freeze Protection – Keeps your system safe during cold weather.
• LED Screen & Programmable Reminders – Easy monitoring and maintenance alerts.
• Safety Handle & Mounting Bracket – Secure installation and simple servicing.
• Optional Accessories Available – Leak Detection Kit and Isolation Valve Kit sold separately.
  

What’s Included

• 1 × Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater (LP)
• Built-In Recirculation Pump
• Wall Mounting Bracket
• Programmable Control System
• Valve Kit
  

Specifications

Care & Maintenance Instructions

• Schedule annual professional maintenance for optimal performance.
• Keep the outdoor unit clear of debris and obstructions to ensure proper ventilation.
• Flush the system every 12–18 months to prevent scale buildup in the heat exchanger.
• Protect the unit during freezing temperatures using Rinnai’s optional freeze protection kit.
• Regularly inspect all valves and connections for leaks or corrosion.