Lochinvar – Copper-Fin II Commercial Gas Boilers
COPPER-FIN II COMMERCIAL GAS BOILERS
Along with high thermal efficiency, gasketless heat exchangers and multiple venting options, the Copper-Fin II now features Lochinvar’s exclusive SMART SYSTEM™ control.
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9 Models from 400,000 to 2,070,000 Btu/hr
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85% Thermal Efficiency
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Up to 4:1 Proportional Firing
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Heavy Duty, Gasketless Heat Exchanger
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SMART SYSTEM™ Operating Control Features a Built-In Cascading Sequencer
| Model Number | Input MBH | Thermal Efficiency | Output MBH | Net AHRI Rating MBH | A | B | C | D | E | F | Vent Size | Air Inlet | Gas Conn | Ship. Wt. |
| CHN402 | 399 | 85% | 339 | 295 | 31-1/2″ | 37-3/4″ | 22-1/4″ | 12-1/2″ | 7″ | 7″ | 6″ | 6″ | 1-1/4″ | 378 |
| CHN502 | 500 | 85% | 425 | 370 | 31-1/2″ | 45-1/2″ | 22-1/4″ | 12-1/2″ | 7″ | 7″ | 6″ | 6″ | 1-1/4″ | 414 |
| CHN652 | 650 | 85% | 553 | 481 | 31-1/2″ | 56-3/4″ | 22-1/4″ | 12-1/2″ | 8-1/2″ | 8-1/4″ | 8″ | 8″ | 1-1/4″ | 500 |
| CHN752 | 750 | 85% | 638 | 555 | 31-1/2″ | 64″ | 22-1/4″ | 12-1/2″ | 8-1/2″ | 8-1/4″ | 8″ | 8″ | 1-1/4″ | 543 |
| CHN0992 | 990 | 85% | 842 | 732 | 36″ | 48-1/4″ | 33-1/2″ | 15-3/4″ | 8-1/2″ | 8-1/2″ | 10″ | 10″ | 2″ | 773 |
| CHN1262 | 1,260 | 85% | 1,071 | 931 | 36″ | 58-1/2″ | 33-1/2″ | 15-3/4″ | 10-1/2″ | 9-1/2″ | 12″ | 12″ | 2″ | 863 |
| CHN1442 | 1,440 | 85% | 1,224 | 1,064 | 36″ | 68-3/4″ | 33-1/2″ | 15-3/4″ | 10-1/2″ | 10-1/2″ | 12″ | 12″ | 2″ | 965 |
| CHN1802 | 1,800 | 85% | 1,530 | 1,330 | 36″ | 82-1/2″ | 33-1/2″ | 15-3/4″ | 11″ | 11″ | 14″ | 12″ | 2″ | 1,100 |
| CHN2072 | 2,070 | 85% | 1,760 | 1,530 | 36″ | 92-1/2″ | 33-1/2″ | 15-3/4″ | 11″ | 11″ | 14″ | 12″ | 2″ | 1,219 |
