Rinnai SE Series 7.5 GPM Outdoor Condensing Tankless Water Heater – Natural Gas (RUS75EN)

Experience unlimited hot water and premium energy efficiency with the Rinnai SE Series 7.5 GPM Outdoor Condensing Tankless Water Heater (RUS75EN). Designed for performance, reliability, and convenience, this ENERGY STAR® Certified water heater is the perfect upgrade for any modern home.

With Wi-Fi readiness, remote diagnostics, and 2x longer service life, the Rinnai SE Series delivers intelligent comfort and long-term savings. Capable of servicing 2 to 4 bathrooms simultaneously, this powerful 160,000 BTU natural gas unit ensures you’ll never run out of hot water again—no matter how busy your household gets.

Built for outdoor installation, this compact, sleek white heater blends modern design with state-of-the-art condensing technology, making it both eco-friendly and space-efficient.

Key Features:

• Endless Hot Water Supply – Consistent hot water for multiple outlets simultaneously.
• Wi-Fi Ready – Connect for smart control and monitoring (Wi-Fi module sold separately).
• Remote Diagnostics – Easily monitor and maintain system health for peak performance.
• ENERGY STAR® Certified – Reduces energy use and utility costs.
• High Efficiency Condensing Technology – 0.89 Uniform Energy Factor for superior performance.
• Compact Outdoor Design – Saves indoor space with durable, weather-resistant housing.
• Flexible Installation Options – Easy setup with multiple venting configurations.
• Long Lifespan – Up to twice the service life of traditional water heaters.
• Powerful Output – 160,000 BTUs supports 2–4 bathrooms at once.
  

What’s Included

• Rinnai RUS75EN 7.5 GPM Tankless Water Heater (Outdoor Model)
• Mounting Bracket and Hardware
• User & Installation Manual
• Warranty Documentation

Specifications:

Care & Maintenance Instructions

• Inspect Annually: Check for debris or blockages around the vent and air intake.
• Flush System: Descale the unit every 12–18 months to prevent mineral buildup.
• Monitor Performance: Use Wi-Fi monitoring or regular diagnostic checks.
• Outdoor Protection: Keep the area clear of leaves, dirt, and obstructions to maintain airflow.
• Professional Service: Schedule professional maintenance at least once a year for optimal longevity.