| BTU Heating Input Rating (Custom) | : | 36,000 BTU/h |
| BTU Heating Input Rating | : | 38,000 BTU/h |
| Capacity | : | 40 gal |
| Condensing | : | No |
| Depth | : | 19 in |
| Diameter | : | 19 in |
| ENERGY STAR Certified | : | No |
| Energy Factor | : | 0.58 |
| First Hour Rating | : | 64 gal |
| Fuel Type | : | Natural Gas |
| Gas Connection Size | : | 1/2 in |
| Height | : | 59.75 in |
| Ignition Type | : | Direct Spark |
| Low NOx | : | Low NOx |
| Model Number | : | PRO |
| Phase | : | 1 ph |
| Power Source | : | Gas |
| Product Family | : | Professional Classic |
| Recovery Rate | : | 38.4 GPH |
| Shipping Weight | : | 127 lbs |
| Vent Size | : | 3~4 in |
| Vent Type | : | Atmospheric |
| Water Connection Size | : | 3/4 in |
| Width | : | 19 in |
Engineered for reliable performance and low operating costs, the Rheem Professional Classic Atmospheric gas water heater is an ideal choice for residential hot water needs. This 40-gallon natural gas model provides 38,000 BTU/h of heating input to ensure a consistent supply of hot water.The unit is equipped with the maintenance-free Guardian System™, which includes an air/fuel shut-off and flammable vapor sensor for enhanced safety. Its eco-friendly, low NOx burner reduces emissions, and the heater is certified for installation at altitudes up to 5,999 feet.
Guardian System™: Features an exclusive air/fuel shut-off device and flammable vapor sensor for enhanced safety without requiring filter maintenance.Durable Tank: A premium-grade anode rod and exclusive Rheemglas® tank lining combine to resist corrosion and extend the life of the unit.Sediment Reduction: The patented EverKleen® self-cleaning system fights sediment buildup, improving efficiency and prolonging tank life.Eco-Friendly Performance: A low NOx burner design reduces emissions, meeting 40 ng/J requirements for environmentally friendly operation.Quality Components: Includes an enhanced-flow brass drain valve for easy servicing and a factory-installed temperature and pressure relief valve.Warranty Coverage: Comes with a 6-year limited warranty for both the tank and parts, with an option to extend the tank warranty to 10 years.
