Rheem Tank Water Heaters
Rheem's residential gas tank water heaters range from a dependable entry-level Classic model up to the Prestige Maximus, with Wi-Fi connectivity and built-in leak detection.
Good
Classic
Classic Ultra Low NOx
- Efficiency
- .58 to .64 UEF
- Capacities
- 29, 39, 40, and 50 gallon
- Recovery rate
- 30 to 38 GPH at a 90°F rise
- Meets 10 ng/J ultra-low NOx requirements
- Guardian System flammable vapor ignition resistance
Warranty: Tank and Parts – 6 Years
Better
Classic Plus
Classic Plus Ultra Low NOx / Maximus
- Efficiency
- Up to .90 UEF
- Recovery rate
- Up to 64 GPH at a 90°F rise
- Built-in condensate neutralizer on Maximus models
- Long venting options up to 100 feet
Warranty: Tank and Parts – 8 to 12 Years, depending on model
Best
Prestige Maximus
Prestige Maximus
- Continuous hot water
- Up to 3.8 GPM at setpoint
- First hour rating
- Up to 95 gallons
- Integrated EcoNet Wi-Fi connectivity
- LeakSense built-in leak detection (internal or external)
- Built-in condensate neutralizer
Warranty: Tank and Parts – 12 Years
Looking to replace one? See our water heater replacement page.
Want help deciding which model fits your home?