Award winning features including durable cast iron heat exchanger' rugged heavy gauge steel base' and the innovative IQ control system. The Series 3 provides even more flexible chimney venting options making it the right choice for millions of homes.
| MODEL | Input MBtuH | Output MBtuH | AFUE | Dimensions HxWxD | Water Content Gal. | Weight Lbs. |
|---|---|---|---|---|---|---|
| 303 | 70.0 | 59.0 | 84.0 | 41x12-3/4x33 | 2.00 | 254 |
| 304 | 105.0 | 88.0 | 84.0 | 41x15-1/2x33 | 3.00 | 301 |
| 305 | 140.0 | 117.0 | 84.0 | 41x18-1/2x33 | 4.00 | 353 |
| 306 | 175.0 | 146.0 | 84.0 | 41x21-1/2x33 | 5.00 | 405 |
| 307 | 210.0 | 176.0 | 84.0 | 41x24-3/4x33 | 6.00 | 464 |
| 308 | 245.0 | 205.0 | 84.0 | 41x27-3/4x33 | 7.00 | 514 |
| 309 | 309.0 | 280.0 | 84.0 | 41x30-3/4x33 | 8.00 | 564 |
