| MODEL | Output MBtuH | IBR MBtuH | Firing Rate GPH | AFUE | Water Content Gal. | HxWxD | Weight. Lbs. | BOILER H/P | VENT CONNECTION | SUPPLY / RETURN CONNECTION |
|---|---|---|---|---|---|---|---|---|---|---|
| G615-12 | 2822.0 | 2454.0 | 0.00 | 86.5 | 192.00 | 62.75 x 50.5 x 92 | 7110 | 84.3 | 14 | 6 / 6 |
| G615-16 | 3982.0 | 3463.0 | 0.00 | 76.5 | 256.00 | 62.75 x 50.5 x 117.75 | 9125 | 118.9 | 14 | 6 / 6 |
| G615-9 | 1951.0 | 1697.0 | 0.00 | 86.7 | 144.00 | 62.75 x 50.5 x 71 | 5510 | 58.3 | 14 | 6 / 6 |
| G615-10 | 2242.0 | 1950.0 | 0.00 | 86.6 | 160.00 | 62.75 x 50.5 x 77.75 | 6045 | 66.9 | 14 | 6 / 6 |
| G615-11 | 2532.0 | 2202.0 | 0.00 | 86.6 | 176.00 | 62.75 x 50.5 x 84.5 | 6580 | 75.6 | 14 | 6 / 6 |
| G615-13 | 3112.0 | 2706.0 | 0.00 | 86.5 | 208.00 | 62.75 x 50.5 x 97.75 | 7645 | 92.9 | 14 | 6 / 6 |
| G615-14 | 3402.0 | 2958.0 | 0.00 | 86.5 | 224.00 | 62.75 x 50.5 x 104.5 | 8160 | 101.6 | 14 | 6 / 6 |
| G615-15 | 3692.0 | 3210.0 | 0.00 | 86.5 | 240.00 | 62.75 x 50.5 x 111.25 | 8799 | 110.3 | 14 | 6 / 6 |
©Red Barn Media Group2026
