Rheem 120,000 BTU Indoor High-Efficency Condensing Direct Vent Natural Gas Tankless Water Heater Model RTGH-68DVLN-3 - RRTGH68DVLN3701169

Rheem 120,000 BTU Indoor High-Efficency Condensing Direct Vent Natural Gas Tankless Water Heater Model RTGH-68DVLN-3 - RRTGH68DVLN3701169

• PVC Vent runs up to 60' (2"), 150' (3")

• The enhanced design is up to 20% smaller and lighter-making one-person installs even easier

• Industry Best! 1/2" side-to-side clearance allows you to work in spaces the safely competition can't 1/2" Gas line compatibility up to 24 ft (subject to local code)

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)

What Our Experts Think

• On-Demand Hot Water: Tankless design provides continuous hot water without running out, perfect for homes with multiple bathrooms or high usage

• High-Efficiency Condensing: Condensing heat exchanger maximizes energy savings and reduces waste, lowering monthly utility costs

• 120,000 BTU Power: Strong heating capacity that supports showers, laundry, and simultaneous fixture use

• Indoor Direct Vent Design: Sealed combustion system with direct venting for safe, efficient indoor installation

• Reliable Rheem Performance: Engineered for durable, everyday use with smart operational controls

Q&A

Q: What fuel does this water heater use?
A: Natural Gas

Q: How does tankless technology help?
A: Provides hot water on demand without storing a tank of heated water

Q: Where is this unit installed?
A: Indoor with direct venting

Q: Is this energy efficient?
A: Yes — condensing design boosts efficiency and lowers operating costs

Maintenance Tips

• Annual Flushing: Flush the system yearly to reduce mineral buildup and preserve efficiency

• Clean Water Inlet Filter: Periodically remove and clean to maintain proper flow

• Inspect Venting & Air Intake: Ensure vents and intake paths remain clear of debris

• Check Gas Connections: Confirm fittings are secure and leak-free

• Professional Inspection: Schedule yearly service for burners, controls, and heat exchanger performance