Rheem RTGH-3 Series High-Efficiency Indoor 199K BTU Natural Gas

High Efficiency Performance

• Up to 1.5X the efficiency of a standard 
  50-gallon gas tank – .93 UEF for condensing and .82 UEF for non-condensing
  
• Up to 2.5X the lifespan of a standard 50-gallon gas tank – With the industry's 
  most comprehensive 15-year warranty3
  

Flexible Upgrade

• Industry-best ½" side-to-side and front clearance to combustibles –Provides peace of mind to install in a closet and close the door 
  
• Easy-hang front door – Slides down and hangs for easier servicing
  
• Faster servicing – A Phillips screwdriver is all that's needed to disassemble the unit
  

Smarter Solution

• Built-in EcoNet® Wi-Fi Technology lets homeowners control Rheem® RTGH and 
  RTG Series Tankless Water Heaters from their smart phone
  
• Receive notifications, maintenance reminders and LeakGuard™ leak detection alerts
  
• Set temperature, change modes, and access energy and water usage report

Easy Installation

• PVC Vent runs up to 60' (2"), 150' (3")
  Enhanced design is up to 20% smaller and lighter making one-person installs even easier
  

Ready for Retrofits

• Industry Best! 1/2" side to side clearance allows you to safely work in spaces the competition can't. 1/2" Gas line compatibility (subject to local code)

Key Features

• Rheem® Exclusive! Hot-start Programming™ ensures the unit is in a ready state between back-to-back usage, minimizing any cold-water bursts 
• Built-in EcoNet® Wi-Fi technology for direct control from your device (on select models)
  
• LeakGuard® – All-inclusive leak detection and prevention system that detects any 
  leak that comes from the unit (on indoor Wi-Fi models)