100 HP Cleaver-Brooks #CBW-700-100-150-ST, Steam Boiler Natural Gas, 150 PSI, 500 sq.ft., 4200K BTUH, 48" dia shell, skid mount, 1995

OVERVIEW
NOTE: This is a 100 boiler horsepower, 4-pass wetback scotch marine firetube steam boiler manufactured by Cleaver Brooks Division of Aqua-Chem, Inc. in 1995. Rated at 150 PSI maximum working pressure. Natural gas fired. Serial Number L-00322. Skid-mounted with control panel included. Ready for inspection — contact us to schedule.
Cleaver Brooks Model CBW-700-100-150-ST — 100 HP, 4-Pass Wetback Scotch Marine Firetube Steam Boiler. Serial Number L-00322, Date 1995. Rated at 150 PSI maximum working pressure with 4,200,000 BTU/HR natural gas input, 3,450 Lbs./Hr. steam capacity, and 500 Sq. Ft. of heating surface. 48-inch shell diameter. The CBW series is one of Cleaver-Brooks' most recognized packaged boiler lines, built at their Milwaukee, Wisconsin facility under the Aqua-Chem, Inc. division.
Control panel included. Skid-mounted for ease of installation and transport. Burner assembly with 5 HP blower motor included.
Ideal for facility heating, process steam, hospital or institutional steam, food and beverage processing, manufacturing operations, or any application requiring reliable high-pressure steam generation.
EQUIPMENT SPECIFICATIONS
Boiler Model Information:
- Manufacturer: Cleaver-Brooks Division, Aqua-Chem, Inc.
- Origin: Milwaukee, Wisconsin, USA
- Model Number: CBW-700-100-150-ST
- Serial Number: L-00322
- Date: 1995
- Boiler Type: 4-Pass Wetback Scotch Marine Firetube
- Fuel Type: Natural Gas Only (700 Series)
- Reference Form: 118-A-331
- Manual: 750-150
- Drawing: 118-200-B
Model Number Decoded:
- CBW = CB Wetback Design
- 700 = Gas Only (no oil capability)
- 100 = 100 Boiler Horsepower
- 150 = 150 PSI Design Pressure
- ST = Steam
Performance Ratings:
- Boiler Horsepower: 100 HP
- Max. Working Pressure: 150 PSI
- Gas Input: 4,200,000 BTU/HR
- Steam Capacity: 3,450 Lbs./Hr.
- Heating Surface: 500 Sq. Ft.
- Shell Diameter: 48 in.
- Estimated Efficiency: ~82%
- Gas Consumption: 4,200 CFH
Electrical Specifications:
- Main Power Supply: 220V, 3 Phase, 60 Hz, 17.5 Amp
- Minimum Circuit Ampacity: 21.50 Amp
- Max. Rating of Circuit Protection: 60.00 Amp
- Blower Motor: 5 HP
- Control Circuit: 120V, 1 Phase, 60 Hz, 7 Amp
KEY FEATURES & BENEFITS
Cleaver Brooks Quality Manufacturing:
- Proven CBW Series 4-pass wetback scotch marine firetube design
- 100 HP industrial capacity
- 4,200,000 BTU/HR natural gas input
- 3,450 Lbs./Hr. steam output at 150 PSI
- Heavy-duty commercial/industrial construction
- Built 1995 — Cleaver Brooks Milwaukee production
- Listed gas fired boiler assembly per nameplate
4-Pass Wetback Scotch Marine Firetube Design:
- Hot combustion gases make four full passes through the boiler before exiting
- Maximizes heat extraction and thermal efficiency
- Fully water-jacketed wetback turnaround chamber
- Eliminates expensive refractory maintenance associated with dryback designs
- Lower operating and maintenance costs versus dryback configurations
- ~82% estimated thermal efficiency
Natural Gas Firing (700 Series):
- Natural gas only — no oil train complexity
- Simplified fuel system with lower maintenance requirements
- 4,200,000 BTU/HR maximum input
- Clean-burning fuel — reduced fouling and maintenance intervals
Control Panel Included:
- Dedicated boiler control panel mounted alongside unit
- Multiple indicator lights (burner status, alarm, operational)
- Integrated safety interlock controls
- Professional panel enclosure
Skid-Mounted Package:
- Mounted on structural steel skid
- Easy rigging, transport, and installation
- Self-contained package ready for utility connections
- Photos show unit on flatbed trailer — transport-ready configuration
SYSTEM COMPONENTS
Main Boiler:
- Cleaver Brooks Model CBW-700-100-150-ST
- Serial Number L-00322
- 100 HP, 150 PSI, 3,450 Lbs./Hr. steam capacity
- 500 Sq. Ft. heating surface, 48 in. shell diameter
- 4-pass wetback scotch marine firetube design
- Complete with all trim and controls
Burner System:
- Natural gas burner assembly — factory mounted
- 5 HP blower motor
- Gas train and safety shut-off valves
Control Panel:
- Dedicated boiler control panel included
- Multiple status/alarm indicator lights
- Safety interlock system
Mounting:
- Structural steel skid base
- All major components skid-mounted
SPECIFICATIONS SUMMARY
- Manufacturer: Cleaver-Brooks Division, Aqua-Chem, Inc.
- Model: CBW-700-100-150-ST
- Serial No.: L-00322
- Date: 1995
- Type: 4-Pass Wetback Scotch Marine Firetube
- Fuel: Natural Gas Only
- Capacity: 100 BoHP
- Max. Working Pressure: 150 PSI
- Gas Input: 4,200,000 BTU/HR
- Steam Capacity: 3,450 Lbs./Hr.
- Heating Surface: 500 Sq. Ft.
- Shell Diameter: 48 in.
- Blower Motor: 5 HP
- Main Power: 220V, 3 Phase, 60 Hz, 17.5 Amp
- Control Circuit: 120V, 1 Phase, 60 Hz, 7 Amp
- Control Panel: Included
- Mounting: Skid-Mounted
- Origin: Milwaukee, WI, USA
- Condition: Used
ADDITIONAL INFORMATION
- Condition: Used
- Year Built: 1995
- Manufacturer: Cleaver-Brooks Division, Aqua-Chem, Inc.
- Model: CBW-700-100-150-ST
- Serial Number: L-00322
- Boiler Type: 4-Pass Wetback Scotch Marine Firetube
- Capacity: 100 HP
- Max. Working Pressure: 150 PSI
- Gas Input: 4,200,000 BTU/HR
- Steam Capacity: 3,450 Lbs./Hr.
- Heating Surface: 500 Sq. Ft.
- Fuel: Natural Gas Only
- Blower Motor: 5 HP
- Main Power: 220V, 3 Phase, 60 Hz
- Control Panel: Included
- Mounting: Skid-Mounted on Structural Steel Skid
- Origin: Milwaukee, WI, USA
- Inspection: Welcome — contact us to schedule
IMPORTANT NOTES:
- Control panel and burner assembly included with boiler
- Natural gas only — no oil capability (700 Series)
- Skid-mounted — professional rigging recommended for loading and transport
- Buyer responsible for transport arrangements from current location
- Contact us for additional photos, video walkthroughs, or technical questions
Location: Ohio