| AFUE | : | 86 % |
| BTU Heating Input Rating (Custom) | : | 156,000 BTU/h |
| BTU Heating Input Rating | : | 154,000 BTU/h |
| BTU Heating Output Rating (Custom) | : | 132,000 BTU/h |
| BTU Heating Output Rating | : | 134,000 BTU/h |
| Condensing | : | No |
| Depth | : | 25.563 in |
| Fuel Type | : | Natural Gas |
| Height | : | 41 in |
| Inlet Connection Size | : | 1-1/4 in |
| Installation / Mounting Type | : | Floor Mount |
| Max Breaker Size | : | 15 A |
| Media / Fluid Type | : | Water |
| Model Number | : | AP-U |
| Number of Stages | : | Single-Stage |
| Outlet Connection Size | : | 1-1/4 in |
| Phase | : | 1 ph |
| Product Family | : | AP-U Series |
| Shipping Weight | : | 355 lbs |
| Vent Type | : | Atmospheric |
| Voltage Rating | : | 120 V |
| Width | : | 19 in |