Cleaver Brooks CBEX-E-700-700-250ST Steam Boiler 700 HP 250 PSI Natural Gas 2019

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

* Model Number: CBEX-E-700-700-250ST
* Serial Number: T7656-1-1
* Boiler Horsepower: 700 HP
* Fuel: Natural Gas Only