™
UP TO 88% EFFICIENT, HOT WATER SUPPLY BOILER WITH MODULATING FIRE 4:1 TURNDOWN
CATEGORY IV LISTED
•Requires
PROFESSIONAL
•Assures optimum performance for each installation
MEETS ASHRAE/IESNA
5 YEAR HEAT EXCHANGER WARRANTY
•For complete information, consult written warranty or contact A. O. Smith
OTHER VF™ BOILER FEATURES:
•ASME 160# W.P.
•ASME PRESSURE RELIEF VALVE 125#
•FACTORY MOUNTED FLOW SWITCH
•MEETS
•BRASS DRAIN VALVE
•LOW GAS PRESSURE SWITCH
•DIGITAL INLET/OUTLET TEMPERATURE READ OUT
•MANUAL RESET
•ALL BRONZE FACTORY MOUNTED PUMP
VF™ BOILER APPROVED OPTIONS:
❑SEQUENCING PANEL
❑ALARM BELL
❑SIDEWALL VENT KITS
❑VERTICAL AND HORIZONTAL DIRECT VENT KITS
❑
❑DRY CONTACTS FOR ANY BOILER FAILURE
❑LOW WATER CUTOFF
❑LP GAS
❑
VERSATILE MULTI-VENTING CONFIGURATIONS
SIDEWALL VENTING | CONVENTIONAL |
| VENTING |
Please consult latest edition of the Installation Manual for detailed venting information and maximum/minimum venting distances.
RECOVERY CAPACITIES
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Model | Water | 40 | 60 | 80 | 90 | 100 |
| 120 | 140 | |
Rating |
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No. | Btu/hr | Flow | (22) | (33) | (44) | (90) | (56) |
| (67) | (78) |
500,000 | GPH | 1,268 | 845 | 634 | 563 | 507 |
| 423 | 362 | |
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LPH | 4,797 | 3,198 | 2,399 | 2,132 | 1,919 |
| 1,599 | 1,371 | ||
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750,000 | GPH | 1,901 | 1,268 | 951 | 845 | 761 |
| 634 | 543 | |
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LPH | 7,196 | 4,797 | 3,598 | 3,198 | 2,878 |
| 2,399 | 2,056 | ||
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1,000,000 | GPH | 2,535 | 1,690 | 1,268 | 1,127 | 1,014 |
| 845 | 724 | |
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LPH | 9,595 | 6,397 | 4,797 | 4,264 | 3,838 |
| 3,198 | 2,741 | ||
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NOTE: Maximum gas supply pressure: 11˝ W.C. natural gas, 13.8˝ propane
Minimum gas supply pressure: 4˝ W.C. natural gas, 8˝ propane
Electrical Power: 120 Volts, 60 Hertz, 30 Amps.
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