Copper-Fin
®
Boiler Dimensions & Specifications
CBN-07 (Replaced CBN-06 3/10)
FG-10M-5/11-Printed in U.S.A.
Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: 615-547-1000
www.Lochinvar.com
Standard Features
• 81% Thermal Efficiency
• Electronic Temperature Control
• Fan Assisted Combustion
• Sealed Combustion Chamber
• Stainless Steel Burners
• Low NOx Operation Exceeds the most
Stringent Air Quality Requirements
• ASME Copper Finned Tube
Heat Exchanger
• 160 psi Working Pressure
• Gasketless Heat Exchanger Design
• Pump Relay w/ Delay
• Down Stream Test Valve
• Referenced Gas Valves
• Loch-Heat Ceramic Tile
Combustion Chamber
• Hot Surface Ignition
• Adjustable High Limit w/ Manual Reset
• ASME Pressure Relief Valve
• Temperature & Pressure Gauge
• Flow Switch
• 24 Volt Control System
• BMS Terminal Strip
• Combustion Air Filter
• Freeze Protection
• 10 Year Limited Warranty on Heat
Exchanger (See warranty for details)
Optional Equipment
• Alarm Bell
• Contacts on any Failure
• Contacts for Air Louvers
• Cupro-Nickel Heat Exchanger
• High & Low Gas Pressure Switch
w/ Manual Reset
• Outdoor Reset Control
• Manual Reset Low Water Cut-Off
w/ test
• Stack Frame
• MP
2
Sequencer
Available Firing Systems
M9 Hot Surface Ignition with
Electronic Supervision (Standard)
M13 GE GAP/FM/CSD1
M7 California Code
Venting
• Outdoor Vent Cap
Registered under U.S. Patent # 5,989,020
For Ease In Ordering
By Model Number
CB N 0497 M9
MODEL
Btu/hr INPUT
This boiler is a 495,000 Btu/hr,
natural gas Copper-Fin.
It has M9 firing controls
NAT. GAS
FIRING
CONTROLS
Copper-Fin Heating Boiler Dimensions & Spec i fi ca tions
Input Heating Net
Model Max Thermal Capacity I=B=R Gas Vent Shipping
Number MBH Efficiency MBH MBH A B C D E F G Conn. Size Weight
CBN0497 495 81% 401 349 31-1/2” 45-1/4” 22-1/4” 12-1/2” 9-1/2” 22-3/4” 29-1/2” 1-1/4” 6” 440
CBN0647 645 81% 522 454 31-1/2” 56-3/4” 22-1/4” 12-1/2” 9-1/2” 28-1/2” 29-1/2” 1-1/4” 8” 510
CBN0747 745 81% 603 524 31-1/2” 64” 22-1/4” 12-1/2” 9-1/2” 32” 29-1/2” 1-1/4” 8” 550
CBN0987 985 81% 798 694 36” 48-1/4” 33-1/2” 15-3/4” 8-1/2” 8-1/2” 33-3/4” 2” 10” 845
CBN1257 1255 81% 1,017 884 36” 58-1/2” 33-1/2” 15-3/4” 9-1/2” 10-1/2” 33-3/4” 2” 12” 905
CBN1437 1435 81% 1,162 1,010 36” 68-3/4” 33-1/2” 15-3/4” 10-1/2” 10-1/2” 33-3/4” 2” 12” 1050
CBN1797 1795 81% 1,454 1,264 36” 82-1/4” 33-1/2” 15-3/4” 11” 11” 33-3/4” 2” 14” 1193
CBN2067 2065 81% 1,673 1,455 36” 92-1/2” 33-1/2” 15-3/4” 11” 11” 33-3/4” 2” 14” 1350
Notes: Change ‘N’ to ‘L’ for LP gas models. Water connections for models CB 0497-747 are 2” NPT on 6-1/2” centers.
No deration on LP models. Water connections for models CB 0987-2067 are 2-1/2” NPT on 11-1/4” centers.
Performance data based on manufacturer test results.