COMMERCIAL TANKLESS SERIES
MAXIMUM HOT WATER FLOW RATE AND TEMPERATURE RISE
| Temp. Rise (°F) | 35 | 45 | 50 | 60 | 70 | 77 | 90 | 100 | 110 | 120 | 130 | 140 |
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| Water Flow (GPM) | 8.5 | 7.4 | 6.6 | 5.5 | 4.7 | 4.3 | 3.7 | 3.3 | 3.0 | 2.8 | 2.6 | 2.4 |
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Minimum flow rate required to initiate heating cycle .66 gpm.
Above estimates are for sizing purposes only.
Water Heater Flow Rate Curves
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| Max Flow |
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GPM | 5 |
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| 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 70 | 80 | 90 | 100 | 120 | 140 |
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CLEARANCE TO COMBUSTIBLES (inches)
MODEL |
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| TOP & | |
NUMBER | SIDE | REAR | BOTTOM |
1/2 | 0 | 12 | |
1/2 | 0 | 12 | |
1/2 | 0 | 12 |
TEMP.
RISE (°F)
FLOW RATE (GPM)
1 UNIT | 2 UNITS | 5 UNITS | 10 UNITS | 15 UNITS | 20 UNITS |
| 140 | 2.4 | 4.7 | 11.9 | 23.7 | 35.6 | 47.4 |
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| 130 | 2.6 | 5.1 | 12.8 | 25.5 | 38.3 | 51.1 |
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| 120 | 2.8 | 5.5 | 13.8 | 27.7 | 41.5 | 55.3 |
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| 110 | 3.0 | 6.0 | 15.1 | 30.2 | 45.3 | 60.3 |
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| 100 | 3.3 | 6.6 | 16.6 | 33.2 | 49.8 | 66.4 |
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| 90 | 3.7 | 7.4 | 18.4 | 36.9 | 55.3 | 73.7 |
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| 80 | 4.1 | 8.3 | 20.7 | 41.5 | 62.2 | 83.0 |
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| 77 | 4.3 | 8.6 | 21.5 | 43.1 | 64.6 | 86.2 |
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| 70 | 4.7 | 9.5 | 23.7 | 47.4 | 71.1 | 94.8 |
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| 60 | 5.5 | 11.1 | 27.7 | 55.3 | 83.0 | 110.6 |
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| 50 | 6.6 | 13.3 | 33.2 | 66.4 | 99.6 | 132.7 |
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| 45 | 7.4 | 14.7 | 36.9 | 73.7 | 110.6 | 147.5 |
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35 | 8.5 | 17.0 | 42.5 | 85.0 | 127.5 | 170.0 |
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