






Rinnai RN 11.0 GPM Tankless Water Heater (SAK41735)
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Rinnai RN 11.0 GPM Tankless Water Heater
High-Efficiency Endless Hot Water — Smart Gas Control, Compact Design
Overview
The RN 11.0 GPM Tankless Water Heater is a high-efficiency, on-demand system designed to deliver continuous hot water without the limitations of traditional tank models. Built with advanced condensing technology and a Smart Sense adaptive gas valve, it provides precise performance, energy savings, and long-term durability.
Compact and versatile, this unit supports both natural gas and propane, making it a flexible solution for a wide range of residential and system-based installations.
Why This System Works
Endless Hot Water
Delivers up to 11.0 GPM, supporting multiple fixtures at once without interruption
Smart Fuel Adaptability
Smart Sense adaptive gas valve automatically adjusts for natural gas or propane
High Efficiency Performance
0.98 UEF rating reduces energy usage and operational costs
On-Demand Heating
Heats water only when needed, eliminating standby energy loss
Compact, Space-Saving Design
Wall-mounted system frees up valuable space compared to tank units
Wi-Fi Control Capability
Allows remote monitoring and system adjustments
System Role
Functions as the primary hot water system within residential or modular builds, delivering consistent performance across multiple fixtures without storage limitations.
Ideal for:
- Residential homes and ADUs
- Off-grid and hybrid system builds
- Cabins, container homes, and modular structures
- High-demand or shared living environments
Key Specifications
| Spec | Detail |
|---|---|
| Flow Rate | 11.0 GPM |
| Energy Factor (UEF) | 0.98 |
| Fuel Type | Natural Gas / Propane |
| Installation | Indoor (Outdoor capable with accessory) |
| Temperature Range | 98°F – 140°F |
| Venting | 2" Venting up to 75 ft |
| Ignition Type | Direct Electronic Ignition |
| Control | Wi-Fi Enabled |
| Warranty | 15-Year Heat Exchanger |
Ideal Applications
- Full residential hot water systems
- Multi-bathroom homes
- Off-grid or utility-integrated builds
- Retreats and shared living environments
Bottom Line
A high-efficiency, space-saving tankless system that delivers reliable, on-demand hot water with intelligent fuel control and long-term performance.
