| Capacity | : | 40 gal |
| Depth | : | 20.25 in |
| Diameter | : | 20.25 in |
| ENERGY STAR Certified | : | No |
| First Hour Rating | : | 55 gal |
| Heating Element Watts | : | 4.5 kW |
| Height | : | 48.25 in |
| Model Number | : | PRO |
| Phase | : | 1 ph |
| Power Source | : | Electric |
| Product Family | : | Professional Classic |
| Recovery Rate | : | 21 GPH |
| Shipping Weight | : | 106 lbs |
| Voltage Rating | : | 240 V |
| Water Connection Size | : | 3/4 in |
| Width | : | 20.25 in |
This Rheem® Professional Classic 40-gallon electric water heater is engineered for reliable performance and a long service life in residential applications. It delivers a first hour rating of 55 gallons and a recovery rate of 21 GPH to meet household hot water demands.Designed for durability, the unit features an isolated tank to reduce heat loss and a proprietary self-cleaning system to fight harmful sediment buildup. It also includes a corrosion-resistant tank lining and a premium anode rod, ensuring dependable operation for years to come.