Rheem 180,000 BTU Indoor High-Efficency Condensing Direct Vent Propane Tankless Water Heater Model RTGH-90DVLP-3
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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 installseven 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
RheemĀ® Exclusive! Hot-start Programmingā¢ ensures the unit is in a ready state between back-to-back usage, minimizing any cold water bursts
Built-in EcoNetĀ® Wi-Fi technology for direct control from your device (on select models)
LeakGuardĀ® ā All-inclusive leak detection and prevention system that detects any leak that comes from the unit (on indoor Wi-Fi models)
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What Our Experts Think
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Continuous On-Demand Hot Water: Tankless design delivers hot water when you need it without running outāideal for large families or simultaneous use
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High-Efficiency Condensing: Condensing heat exchanger maximizes energy savings and reduces wasted heat for lower operating costs
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180,000 BTU Propane Power: Strong heating capacity supports showers, laundry, and multiple fixtures running at once
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Indoor Direct Vent Operation: Sealed combustion with direct venting enhances safety and performance in indoor installs
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Durable Rheem Engineering: Built for reliable, everyday use with robust components and user-friendly controls
Q&A
Q: What fuel does this water heater use?
A: Propane (LP)
Q: Does it provide endless hot water?
A: Yes ā continuous 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 demand, including multiple bathrooms and simultaneous fixtures
Maintenance Tips
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Annual Flushing: Flush the system yearly to reduce mineral buildup and keep flow optimal
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Clean Inlet Filter: Regularly clean the water inlet filter to maintain performance
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Inspect Venting & Air Paths: Ensure vent and intake routes remain free of blockage
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Check Gas Connections: Verify propane lines and fittings are secure and leak-free
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Professional Service: Have a qualified technician inspect burners, heat exchanger, and controls once a year for best performance and longevity
Damage 
Loss 
Theft 
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