| MODEL | Output MBtuH | IBR MBtuH | Firing Rate GPH | AFUE | Water Content Gal. | HxWxD | Weight. Lbs. | BOILER H/P | VENT CONNECTION | SUPPLY / RETURN CONNECTION | # SECTIONS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| G515-7 | 818.0 | 711.0 | 0.00 | 88.2 | 68.20 | 52.25 x 38.5 x 54.5 | 2731 | 24.5 | 10 | 4 / 4 | 7 |
| G515-8 | 1009.0 | 877.0 | 0.00 | 88.2 | 77.70 | 52.25 x 38.5 x 61 | 3059 | 30.2 | 10 | 4 / 4 | 8 |
| G515-9 | 1200.0 | 1043.0 | 0.00 | 88.1 | 87.20 | 52.25 x 38.5 x 67.5 | 3505 | 35.9 | 10 | 4 / 4 | 9 |
| G515-10 | 1391.0 | 1210.0 | 0.00 | 88.1 | 96.70 | 52.25 x 38.5 x 74.25 | 3864 | 41.6 | 10 | 4 / 4 | 10 |
| G515-11 | 1582.0 | 1376.0 | 0.00 | 88.1 | 106.20 | 52.25 x 38.5 x 81 | 4188 | 47.3 | 10 | 4 / 4 | 11 |
| G515-12 | 1773.0 | 1542.0 | 0.00 | 88.1 | 115.70 | 52.25 x 38.5 x 87.5 | 4541 | 53.0 | 10 | 4 / 4 | 12 |
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