The ProLine® ultra low NOx high-recovery gas water heater is equipped with a pre-wired, factory mounted blower which provides more efficient control of heat and helps ensure an adequate supply of make up air. Featuring a 74 gal (nominal) tank and a 75100 Btu gas burner, the GCN-75 standard vent delivers a thermal efficiency of 80%, a uniform energy factor of 0.58 and a recovery rate of 81 gph. It carries a 6 year limited warranty and meets ultra low NOx emission requirements.
AO Smith® Tall Commercial/Residential Gas Water Heater, 74 gal Capacity, 75100 Btu/hr, 22 kW, 102 gal First Hour Delivery, 0.64 Energy Factor, 81 gph Recovery Rate, 80% Thermal AFUE, 4 in Vent, Atmospheric Vent, 1 in NPT Hot/Cold Water Connection, 150 psi, Natural Gas Fuel, Steel, Baked Enamel, Lead-Free, 25-1/4 in Dia x 62-1/16 in H, 7700 ft Altitude
| AFUE Rating | : | 80 % |
| Altitude | : | 7700 ft |
| BTU Rating | : | 75100 Btu/hr |
| Capacity | : | 74 gal |
| Connection Type | : | NPT |
| Dimensions | : | 25-1/4 in Dia x 62-1/16 in H |
| Energy Factor | : | 0.64 |
| Finish | : | Baked Enamel |
| First Hour Delivery | : | 102 gal |
| Fuel Type | : | Natural Gas |
| Lead-Free/Contains Lead | : | Lead-Free |
| Material | : | Steel |
| Power Rating | : | 22 kW |
| Pressure Rating | : | 150 psi |
| Recovery Rate | : | 81 gph |
| Vent Size | : | 4 in |
| Vent Type | : | Atmospheric |
- Fully automatic control system, auto-reset gas shut-off device prevents excessive water temperature
- Heavy-gauge steel jacket finished with baked enamel over bonderized undercoat
- Solid brass, tamper-resistant, enhanced flow, ball-type, drain valve
- Uses a standard female hose fitting that allows for fast and easy draining during maintenance
- Screwdriver slot features a quarter-turn radius, for straight through water flow and a quick and positive shut-off
- The GCN-75 comes standard for use with hydronic heating applications
Instruction/Installation Manual