| BTU Heating Input Rating (Custom) | : | 38,000 BTU/h |
| BTU Heating Input Rating | : | 36,000 BTU/h |
| Capacity | : | 50 gal |
| Condensing | : | No |
| Depth | : | 20.5 in |
| Diameter | : | 20.5 in |
| ENERGY STAR Certified | : | No |
| Energy Factor | : | 0.64 |
| First Hour Rating | : | 85 gal |
| Fuel Type | : | Natural Gas |
| Gas Connection Size | : | 1/2 in |
| Height | : | 61.25 in |
| Ignition Type | : | Intermittent Pilot |
| Low NOx | : | Low NOx |
| Model Number | : | PROG50 |
| Power Source | : | Gas |
| Product Family | : | Professional Classic |
| Recovery Rate | : | 38.4 GPH |
| Shipping Weight | : | 150 lbs |
| Vent Size | : | 3~4 in |
| Vent Type | : | Atmospheric |
| Water Connection Size | : | 3/4 in |
| Width | : | 20.5 in |
The Rheem® Professional Classic 50-gallon atmospheric gas water heater is engineered to provide a reliable and efficient hot water supply for residential homes. With a 38,000 BTU/h input and an 85-gallon First Hour Rating, it delivers consistent performance at a low operating cost.This model is built for safety and longevity, featuring a standard atmospheric vent and top-mounted water connections for straightforward installation. It comes with a factory-installed temperature and pressure relief valve and is low-lead compliant.
- Guardian System™: Features an exclusive air/fuel shut-off device and sensor that disables the heater in the presence of flammable vapor accumulation.
- Sediment Reduction: The patented EverKleen™ system fights sediment build-up to improve efficiency and prolong tank life.
- Low Emissions: An eco-friendly, low NOx burner design meets 40 ng/J NOx requirements.
- Tank Protection: A premium-grade anode rod provides long-lasting protection against corrosion.
- Service-Friendly: Equipped with an enhanced-flow brass drain valve for easier maintenance and requires no matches to light.
- Warranty Coverage: Includes a 6-year limited warranty on both the tank and parts for peace of mind.