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A. O. Smith ultra-low NOx heaters utilize an innovative burner system, a combination of radiant heat and excess air to satisfy air quality management districts with the requirements of less than 10 ng/j for ultra-low NOx emissions.
ProMax® Gas Water Heater, Series: 200, 50 gal Capacity, 40000 Btu/hr BTU, 75 gal First Hour Delivery, 0.62 Energy Factor, 41 gal/hr at 90 deg F Temperature Rise Recovery, 3 x 4 in Dia Vent, 1/2 in Gas Connection, 150 lb/sq-in Pressure, Natural Gas Fuel, Piezo Ignition, 60-7/8 in H x 22 in Dia
| BTU Rating | : | 40000 Btu/hr |
| Capacity | : | 50 gal |
| Connection Type | : | 1/2 in Gas |
| Dimensions | : | 60-7/8 in H x 22 in Dia |
| Energy Factor | : | 0.62 |
| First Hour Delivery | : | 75 gal |
| Fuel Type | : | Natural Gas |
| Ignition System | : | Piezo |
| Pressure Rating | : | 150 lb/sq-in |
| Recovery Rate | : | 41 gal/hr at 90 deg F Temperature Rise |
| Vent Size | : | 3 x 4 in Dia |
- Intelligent control logic
- Self-powered electronic gas valve
- The electronic gas control incorporates an LED status indicator that monitors system operation and service diagnostics
- Equipped with a flame arrestor that provides smooth ignition and ensures that in the event of accidental exposure to flammable vapors, the vapors are safely combusted inside the sealed chamber
- Helps reduce lime and sediment build-up, maximizes hot water output, made from long-lasting PEX cross-linked polymer
- Coregard anode rod
- Enhanced green choice gas burner
- Push-button piezo igniter
- Simplified installation
- Durable tamper-resistant brass drain valve
- PermaGlas glass coating
- 6 years limited tank and parts warranty
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