Lochinvar – Outdoor Knight Condensing Gas Boilers
OUTDOOR KNIGHT CONDENSING GAS BOILERS
All the high-end features that have made KNIGHT boilers a favorite with building owners and contractors are now available in this model designed for outdoor use.
- 5 Models from 399,000 to 800,000 Btu/hr
- 93.5% Thermal Efficiency
- 5:1 Turndown Ratio
- Stainless Steel Water Tube Heat Exchanger
- Features SMART SYSTEM™ Operating Control and CON·X·US® Remote Connect Capable
| Model Number | Input MBH Min. | Input MBH Max. | A | C | D | E | F | G | H | I | J | K | Gas Conn. | Water Conn. | Vent Size | Ship. Wt. |
| OKN400 | 80 | 399 | 42-1/2″ | 25-1/4″ | 21″ | 20-3/4″ | 14-1/4″ | 3-1/2″ | 7″ | 34″ | 9-3/4″ | 52″ | 1″ | 1-1/2″ | 4″ | 280 |
| OKN501 | 100 | 500 | 42-1/2″ | 31-1/2″ | 21-1/4″ | 25″ | 14-1/4″ | 3-3/4″ | 3-1/2″ | 35-1/4″ | 9-3/4″ | 52-3/4″ | 1″ | 1-1/2″ | 4″ | 310 |
| OKN601 | 120 | 600 | 42-1/2″ | 35″ | 21″ | 25″ | 14-1/4″ | 3-1/2″ | 4-1/2″ | 32-3/4″ | 9-1/2″ | 52″ | 1″ | 2″ | 4″ | 340 |
| OKN701 | 140 | 700 | 42-1/2″ | 41-1/4″ | 23-1/4″ | 29-1/4″ | 17-1/4″ | 3-1/2″ | 3″ | 32-3/4″ | 12″ | 49-1/2″ | 1″ | 2″ | 6″ | 370 |
| OKN801 | 160 | 800 | 42-1/2″ | 43-1/4″ | 23-1/4″ | 33-1/2″ | 17-1/4″ | 3-1/2″ | 3-1/4″ | 33″ | 12-1/4″ | 50-1/2″ | 1″ | 2″ | 6″ | 405 |
