Upgrade your home’s hot water system with the Rinnai SE Series 7.5 GPM Outdoor Condensing Tankless Water Heater (LP – RUS75EP) — a reliable, high-efficiency solution designed to deliver endless hot water for up to four bathrooms simultaneously.

Engineered for performance and longevity, this ENERGY STAR® certified model provides up to 160,000 BTUs of heating power while maintaining an impressive 0.89 Uniform Energy Factor (UEF). Its Wi-Fi-ready design offers convenient control, diagnostics, and maintenance via smart connectivity — ensuring you always have access to performance insights and troubleshooting options.

Ideal for outdoor installation, the Rinnai SE Series combines advanced condensing technology with durable construction, giving you superior energy savings, minimal maintenance, and a service life twice as long as standard water heaters.

Key Features:

• Endless Hot Water: Consistent flow up to 7.5 GPM — perfect for 2–4 bathrooms.
• Wi-Fi Ready: Connect for remote monitoring, diagnostics, and maintenance.
• High Performance: 160,000 BTUs with 0.89 UEF for top energy efficiency.
• ENERGY STAR® Certified: Environmentally friendly and cost-efficient operation.
• Outdoor Installation: Compact, weather-resistant design saves indoor space.
• Easy Installation: Flexible venting options and compatibility with Rinnai accessories.
• Extended Service Life: Built for long-term reliability and 2× longer lifespan.
• Consistent Supply: Operates from 0.26 GPM to 7.5 GPM for all water demands.
  

What’s Included

• Rinnai SE Series RUS75EP Tankless Water Heater (LP)
• Installation Manual and Mounting Hardware
• Warranty Registration Information
• Quick Start Guide
  

Specifications:

Care & Maintenance Instructions

• Perform annual professional maintenance to maintain optimal efficiency.
• Inspect air intake and exhaust vents regularly for blockages or debris.
• Use soft water where possible to minimize scale buildup.
• Keep the unit clean and dry, especially around outdoor installations.
• If the unit will not be used for an extended period, drain all water from the system to prevent damage from freezing.
• Always use Rinnai-approved accessories and replacement parts for service or upgrades.