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Ratings
Outdoor Knight XL Boiler
AHRI Rating
Model Number |
| Input |
| Net | |
| MBH | Gross | AHRI | ||
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| Output | Ratings |
Note: Change “N” to |
| (Note 4) | MBH | Water, | |
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| MBH | |
“L” for L.P. gas models. |
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Min |
| Max |
| ||
|
| (Note 1) | (Note 2) | ||
OKN400 | 80 |
| 399 | 370 | 322 |
OKN501 | 100 |
| 500 | 463 | 402 |
OKN601 | 120 |
| 600 | 566 | 493 |
OKN701 | 140 |
| 700 | 658 | 572 |
OKN801 | 160 |
| 800 | 748 | 651 |
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Outdoor Knight XL Installation & Operation Manual
Other Specifications
Boiler Water | Water | Gas |
| |
Content | Air Size | |||
Connections | Connections | |||
Gallons |
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3.4 | 1" | 4" | ||
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4.2 | 1" | 4" | ||
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4.2 | 2" | 1" | 4" | |
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5.0 | 2" | 1" | 4" | |
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5.7 | 2" | 1" | 4" | |
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NOTICE
Notes:
Maximum allowed working pressure is located on the rating plate.
1.The ratings are based on standard test procedures prescribed by the United States Department of Energy.
2.Net AHRI ratings are based on net installed radiation of sufficient quantity for the requirements of the building and nothing need be added for normal piping and pickup. Ratings are based on a piping and pickup allowance of 1.15.
3.Standard Outdoor Knight XL boilers are equipped to operate from sea level to 4,500 feet only with no adjustments. The boiler will
4.Ratings have been confirmed by the Hydronics Section of AHRI.
5.Outdoor Knight XL boilers comply with the requirements of
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