| BTU Heating Input Rating | : | 38000 BTU/h |
| Capacity | : | 40 gal |
| Diameter | : | 19 in |
| Energy Factor | : | 0.58 |
| First Hour Rating | : | 64 gal |
| Fuel Type | : | Natural Gas |
| Height | : | 58.5 in |
| Low NOx | : | 1 |
| Model Number | : | PROG40 |
| Power Source | : | Gas |
| Product Family | : | Professional Class |
| Recovery Rate | : | 38.4 GPH |
| Shipping Weight | : | 127 lbs |
| Vent Size | : | 3 in~4 in in |
| Vent Type | : | Standard |
| Water Connection Size | : | 3/4 in |
