700 HP Cleaver Brooks CBEX-E-700-700-250ST Firetube Steam Boiler #BSCB700HP294

OVERVIEW

NOTE: This is a 700 boiler horsepower, firetube steam boiler manufactured by Cleaver Brooks in 2019. Rated at 250 PSI maximum working pressure. Natural gas fired. Serial Number T7656-1-1. Colorado Boiler Registration No. 122740. Unit B-1001 with 5,783 registered hours as of 2.6.26. Hawk touchscreen control system and Allen-Bradley PowerFlex 400 VFD included. Ready for inspection — contact us to schedule.

Cleaver Brooks Model CBEX-E-700-700-250ST — 700 HP firetube steam boiler. Serial Number T7656-1-1, Date 2019. Rated at 250 PSI maximum working pressure with 27,352,000 BTU/HR maximum natural gas input and 22,428,000 BTU/HR gross output. Ultra-low NOx burner rated at 5 PPM. Built at the Cleaver Brooks facility in Thomasville, Georgia, USA.

Hawk touchscreen control panel, Allen-Bradley PowerFlex 400 variable frequency drive, Level Master water level control, and complete gas train included. Unit tag B-1001. Colorado Boiler Registration No. 122740 on file.

Ideal for large-scale process steam, industrial manufacturing, institutional and campus heating, hospital or healthcare steam systems, food and beverage processing, pharmaceutical operations, or any application requiring high-capacity, ultra-low-NOx steam generation.

 

EQUIPMENT SPECIFICATIONS

Boiler Model Information:

• Manufacturer: Cleaver Brooks (Thomasville, Georgia, USA)
• Model Number: CBEX-E-700-700-250ST
• Serial Number: T7656-1-1
• Date: 2019
• Unit Tag: B-1001
• Colorado Boiler Registration No.: 122740
• Boiler Type: Firetube Steam Boiler
• Fuel Type: Natural Gas Only (700 Series)
• Registered Hours: 5,783 hrs (as of 2.6.26)

Model Number Decoded:

• CBEX = Cleaver Brooks EX Series
• E = Economy / Enhanced design
• 700 = Gas Only (no oil capability)
• 700 = 700 Boiler Horsepower
• 250 = 250 PSI Design Pressure
• ST = Steam

Performance Ratings:

• Boiler Horsepower: 700 HP
• Max. Working Pressure: 250 PSI
• Gross Output: 22,428,000 BTU/HR
• Max. Gas Input: 27,352,000 BTU/HR
• Min. Gas Input: 6,038,000 BTU/HR
• NOx Emission Level: 5 PPM (ultra-low NOx)
• Manifold Pressure: 64.0 in. W.C. (Sea Level)
• Inlet Pressure Range: 115–178 in. W.C. (Sea Level)

 

KEY FEATURES & BENEFITS

Cleaver Brooks CBEX Series Design:

• Heavy-duty industrial firetube steam boiler — CBEX EX Series platform
• 700 HP capacity with 27,352,000 BTU/HR maximum gas input
• 22,428,000 BTU/HR gross output at 250 PSI
• Built 2019 — Cleaver Brooks Thomasville, Georgia facility
• Only 5,783 registered hours as of February 2026 — lightly used

Ultra-Low NOx Burner (5 PPM):

• Ultra-low NOx rating of just 5 PPM — meets the most stringent air quality regulations
• Natural gas only (700 Series) — clean-burning, reduced fouling and maintenance intervals
• Wide modulating range: 6,038,000 to 27,352,000 BTU/HR

Hawk Touchscreen Control System:

• Cleaver Brooks Hawk touchscreen control panel — factory mounted
• Digital display with burner status, alarm, and operational monitoring
• Integrated safety interlock controls
• Professional panel enclosure — unit tagged B-1001

Allen-Bradley PowerFlex 400 VFD:

• Allen-Bradley PowerFlex 400 variable frequency drive included
• Enables variable-speed blower motor control
• Reduces energy consumption and extends motor life
• 480V, 3-phase power supply

Level Master Water Level Control:

• Clark-Reliance Level Master water level control included
• Automatic water level management with alarm and safety functions

Gas Train:

• Complete natural gas train with safety shut-off valves
• Pressure regulators and flow controls
• Visible in photos — fully intact

 

SYSTEM COMPONENTS

Main Boiler:

• Cleaver Brooks Model CBEX-E-700-700-250ST
• Serial Number T7656-1-1
• 700 HP, 250 PSI, 22,428,000 BTU/HR gross output
• Colorado Boiler Reg. No. 122740
• 5,783 registered operating hours as of 2.6.26
• Complete with all trim and controls

Burner System:

• Natural gas burner assembly — factory mounted
• Ultra-low NOx rated at 5 PPM
• Gas train with safety shut-off valves and pressure regulators

Control System:

• Cleaver Brooks Hawk touchscreen control panel (unit B-1001)
• Allen-Bradley PowerFlex 400 variable frequency drive (480V, 3-phase)
• Clark-Reliance Level Master water level control
• Safety interlock system

 

SPECIFICATIONS SUMMARY

• Manufacturer: Cleaver Brooks (Thomasville, Georgia, USA)
• Model: CBEX-E-700-700-250ST
• Serial No.: T7656-1-1
• Unit Tag: B-1001
• Date: 2019
• Fuel: Natural Gas Only
• Capacity: 700 BoHP
• Max. Working Pressure: 250 PSI
• Gross Output: 22,428,000 BTU/HR
• Max. Gas Input: 27,352,000 BTU/HR
• Min. Gas Input: 6,038,000 BTU/HR
• NOx Emission Level: 5 PPM
• Manifold Pressure: 64.0 in. W.C. (Sea Level)
• Inlet Pressure Range: 115–178 in. W.C. (Sea Level)
• Control System: Cleaver Brooks Hawk Touchscreen
• VFD: Allen-Bradley PowerFlex 400 (480V, 3-phase)
• Water Level Control: Clark-Reliance Level Master
• Colorado Boiler Reg. No.: 122740
• Registered Hours: 5,783 hrs (as of 2.6.26)
• Condition: Used
• Origin: Thomasville, Georgia, USA

 

ADDITIONAL INFORMATION

• Condition: Used — 5,783 registered hours as of February 2026
• Year Built: 2019
• Manufacturer: Cleaver Brooks (Thomasville, Georgia, USA)
• Model: CBEX-E-700-700-250ST
• Serial Number: T7656-1-1
• Boiler Type: Firetube Steam Boiler
• Capacity: 700 HP
• Max. Working Pressure: 250 PSI
• Gross Output: 22,428,000 BTU/HR
• Max. Gas Input: 27,352,000 BTU/HR
• NOx Level: 5 PPM
• Fuel: Natural Gas Only
• Control System: Cleaver Brooks Hawk Touchscreen
• VFD: Allen-Bradley PowerFlex 400
• Water Level Control: Clark-Reliance Level Master
• Colorado Boiler Reg. No.: 122740
• Inspection: Welcome — contact us to schedule

 

IMPORTANT NOTES:

• Natural gas only — no oil capability (700 Series)
• Ultra-low NOx 5 PPM burner — suitable for strict air quality jurisdictions
• Colorado Boiler Registration No. 122740 — documentation on file
• 5,783 registered hours as of 2.6.26 — lightly used unit
• Buyer responsible for transport and rigging arrangements from current location
• Contact us for additional photos, video walkthroughs, or technical questions