| BTU Heating Input Rating (Custom) | : | 40,000 BTU/h |
| BTU Heating Input Rating | : | 42,000 BTU/h |
| Capacity | : | 50 gal |
| Condensing | : | No |
| Depth | : | 21.5 in |
| Diameter | : | 21.5 in |
| ENERGY STAR Certified | : | No |
| Energy Factor | : | 0.65 |
| First Hour Rating | : | 76 gal |
| Fuel Type | : | Natural Gas |
| Gas Connection Size | : | 1/2 in |
| Height | : | 59.25 in |
| Low NOx | : | Low NOx |
| Model Number | : | PRO |
| Power Source | : | Gas |
| Product Family | : | Professional Classic |
| Recovery Rate | : | 40.4 GPH |
| Shipping Weight | : | 165 lbs |
| Vent Size | : | 3~4 in |
| Vent Type | : | Atmospheric |
| Water Connection Size | : | 3/4 in |
| Width | : | 21.5 in |
The Rheem® Professional Classic atmospheric gas water heater is engineered to deliver a plentiful supply of hot water while maintaining low operating costs. This 50-gallon natural gas model provides a 40,000 BTU/h input and a 40.4 GPH recovery rate, making it a reliable choice for residential applications. It features a low-NOx design for reduced emissions and includes key safety and maintenance components, like a factory-installed T&P relief valve, for long-term performance.
- Guardian System™: Features an exclusive air/fuel shut-off device and a protective control system that disables the heater in the presence of flammable vapor accumulation.
- Low-NOx Burner: An eco-friendly burner design meets 40 ng/J NOx requirements for reduced emissions.
- EverKleen™ System: A patented system fights sediment build-up to improve efficiency and extend the tank's service life.
- Long-Lasting Protection: Equipped with a premium-grade anode rod for enhanced tank protection against corrosion.
- Enhanced Drain Valve: Includes an enhanced-flow brass drain valve for easier and faster draining during maintenance.
- Standard Warranty: Comes with a 6-year limited warranty on both the tank and parts for peace of mind.