Easy Installation
- Industry Leading! 43' vent run capability
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 up to 24ft (subject to local code)
- Universal Venting Compatibility with Metal Fab, ProTech® and UBBINK standard concentric venting for easier tankless to tankless replacements
Key Features
- Ruud® Exclusive! Hot-startProgramming™ 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)
- Available built-in recirculation models (RTG-R) for no-wait hot water at the tap and up to 12,000gallons of water savings
Specifications
- 0.82 UEF
- Built-in EcoNet® Wi-Fi technology
- Rheem® Exclusive! Hot-Start Programming™ minimizes cold water bursts
- Industry Leading! 43' vent run capability
- Industry Best! 1/2" side to side clearance
- Built-in recirculation for no-wait hot water at the tap
Energy Guide Details
- Understanding Energy Efficiency
- Click here to review this water heater's Energy Guide for more details.
Certifications
Documents
RUTG- R Series High Efficiency Tankless Gas Water Heater with built-in Recirculation (Outdoor)
Warranties
- 15-Year Heat Exchanger
- 5-Year Parts
- 1-Year Labor

KwikComfort® Financing can help make your purchase even easier.
Ruud makes it easy to find a financing option that works for you! With many options and benefits available,
KwikComfort Financing is the best way to get the home comfort you need without the wait.
- Applications made easyWe'll help you avoid lengthy contracts, headaches and hassles.
- Kwik credit decisionsYou'll get an answer to your application within minutes.
- Fast credit for the futureFinance your Ruud equipment and anything you want to add later.
- Reduced interest/fixed paymentsGet low interest and fixed monthly payments until the purchase is paid.
- Minimum monthly paymentTake advantage of convenient monthly payments that fit your budget.
- Deferred interest/no interestEnjoy interest-free payments as long as the balance is paid by the due date.










