Description
Rheem 120,000 BTU Indoor High-Efficency Condensing Direct Vent Propane Tankless Water Heater Model RTGH-68DVLN-3 – RRTGH68DVLP3701170
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PVC Vent runs up to 60′ (2″), 150′ (3″)
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The enhanced design is up to 20% smaller and lighter-making one-person installs even easier
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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
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On-Demand Hot Water: Tankless design delivers continuous hot water when you need it, no storage tank to run out
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High-Efficiency Condensing: Condensing heat exchanger maximizes energy savings while reducing waste heat
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120,000 BTU Propane Power: Strong heating capacity tailored for homes with moderate to high hot-water demand
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Indoor Direct Vent System: Sealed combustion with direct venting improves safety and performance
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Reliable Rheem Build: Engineered for consistent daily use with smart controls and solid durability
Q&A
Q: What fuel does this water heater use?
A: Propane (LP)
Q: Is this a tankless system?
A: Yes — provides hot water on demand without a storage tank
Q: Where is it installed?
A: Indoor with direct venting
Q: Who is this model best for?
A: Homes with moderate to high hot water needs, like multiple bathrooms or simultaneous appliance use
Maintenance Tips
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Annual Flushing: Flush the system yearly to minimize mineral buildup and preserve flow efficiency
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Clean Water Inlet Filter: Periodically remove and clean to maintain proper water flow
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Inspect Venting & Air Intake: Ensure vents and intake passages remain free of debris
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Check Propane Connections: Confirm gas fittings are secure and leak-free
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Professional Inspection: Schedule yearly service to check burners, heat exchanger, and control systems for safe, long-lasting performance






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