Specifications
Model | 305 |
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| 505 |
| 705 | |
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Minimum Gas Consumption Btu/h |
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| 15,000 |
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| 19,000 | ||
Maximum Gas Consumption Btu/h | 180,000 |
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| 199,000 Natural Gas |
| 237,000 | ||
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| 190,000 Propane Gas |
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Hot water capacity (Min - Max) * | 0.6 - 7.5 GPM |
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| 0.6 - 9.4 GPM |
| 0.6 - 9.8 GPM | |
(2.3 - 28.4 L/min) |
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| (2.3 - 35.5 L/min) |
| (2.3 - 37 L/min) | ||
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| 7.4 GPM (28.0 L/min) |
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Hot water capacity (45°F rise) | 6.6 GPM (25.0 L/min) |
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| Natural Gas | 8.8 GPM (33.5 L/min) | |||
| 7.1 GPM (26.9 L/min) | |||||||
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| Propane Gas |
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Default Temperature Setting (no controller) |
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| 120º F (49º C) |
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Temperature Controller Default Setting |
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| 104º F (40º C) |
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Maximum Temp Setting (Commercial) ** | 160º F (71º C) |
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| 185º F (85º C) |
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Maximum Temp Setting (Residential) | Selectable at 120º F (49º C) or at 140º F (60º C) |
| 140º F (60º C) | |||||
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Minimum Temperature Setting |
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| 98º F (37º C) |
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Weight |
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| 50 lb (23 kg) |
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| 55 lb (25 kg) | ||
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Efficiency Rating |
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| 84% |
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Noise level |
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| 49 dB |
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| Normal | 65 W |
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| 79 W |
| 99 W |
Electrical Consumption | Standby |
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| 2 W |
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| 100 W |
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| 116 W | ||
| Fixed |
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| Electronic |
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Minimum Gas Supply | Natural Gas |
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| 5.0 inch W.C. |
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Pressure | Propane |
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| 8.0 inch W.C. |
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Maximum Gas Supply | Natural Gas |
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| 10.5 inch W.C. |
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Pressure | Propane |
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| 13.5 inch W.C. |
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Type of Appliance |
| Direct Vent, Temperature controlled continuous flow gas hot water system. | ||||||
Operation |
| With or without temperature controls, mounted in kitchen, bathroom, etc. | ||||||
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Approved Gas Type |
| Natural Gas or Propane - Ensure unit matches gas type it's being installed on. | ||||||
Connections |
| Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT | ||||||
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Ignition System |
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| Direct Electronic Ignition |
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Electric Connections |
| Appliance: AC 120 Volts, 60Hz. Temperature Control: DC 12 Volts (Digital) | ||||||
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Water Temperature Control |
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| Simulation Feedforward and Feedback. |
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Water Supply Pressure |
| Minimum Water Pressure: 20 PSI (Recommended | ||||||
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Maximum Water Supply Pressure |
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| 150 PSI |
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Temperature Control Cable | ||||||||
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Energy Star Qualified |
| Yes |
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| Yes |
| No |
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*Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.
**for commercial and hydronic applications requiring higher temperatures
Specifications are subject to change without prior notice.
The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the purpose of input adjustment.
305, 505, 705 Indoor Manual | 3 |
