USED 2012 COLUMBIA CT

OVERVIEW
 
This is a Columbia vertical tubeless steam boiler — Type CT, rated 50 boiler horsepower. Vertical cylindrical pressure vessel fired by natural gas, factory-built by Columbia Boiler Co. of Pottstown, Pennsylvania, with a Power Flame JR50A-15 forced-draft gas burner, integral water column and gauge glass, pressure gauge, control cabinet, and complete gas train with regulator. Electrical supply 115V, 60 Hz, single phase, 16 amps overall. Year built 2012. Ready for inspection — contact us to schedule.
 
Columbia Type CT vertical gas-fired steam boiler — 50 HP, 150 PSI maximum allowable working pressure, rated 1,725 lbs/hr steam capacity at a firing rate of 2,100,000 BTU/hr on natural gas. Equipped with a Power Flame JR50A-15 natural gas burner (650–2,100 MBH input range), Marathon burner motor, factory control cabinet, water column with gauge glass and low-water cutoff probes, steam pressure gauge, and full gas train with manual gas pressure regulator. UL-listed gas-fired boiler assembly for use with GR.6 primary safety controls. Suitable for industrial and institutional steam plants.
Ideal for industrial process steam, institutional and campus heating systems, hospital or healthcare steam plants, food and beverage processing, laundries and dry cleaners, or any application requiring a compact vertical packaged steam boiler with a small footprint.
 
EQUIPMENT SPECIFICATIONS
 
Boiler:

Manufacturer: Columbia Boiler Co. of Pottstown — Pottstown, PA, USA
Equipment Type: Vertical Tubeless Gas-Fired Steam Boiler
Model / Type: CT
Boiler Horsepower: 50 HP
Maximum Allowable Working Pressure (MAWP): 150 PSI
Steam Capacity: 1,725 lbs/hr
Safety Valve Capacity: 1,725 lbs/hr
Shell Thickness: 3/8"
Firing Rate: 2,100,000 BTU/hr — Natural Gas
Inlet Manifold Pressure: 4.5–14 in. W.C.
National Board No.: 150807
Year Built: 2012
Tank Orientation: Vertical
Electrical Supply: 115V, 60 Hz, 1-Phase — 16 Amps overall
Listing: UL-Listed Gas-Fired Boiler Assembly (for use with GR.6 primary safety controls)
Model Prefix: MP-3171

 
Burner:

Manufacturer: Power Flame
Model: JR50A-15
Serial No.: 091179881
Job Order No.: J065118
Fuel Type: Natural Gas (NAT)
Gas Input Range: 650–2,100 MBH
Control Voltage: 115V / 60 Hz — 6.0 Amps
Motor: Marathon — 208/115V, 60 Hz
Minimum Circuit Ampacity: 18.25 A

 
Trim & Controls:

Columbia control cabinet (panel-mounted)
Water column with gauge glass and low-water-cutoff probes
Steam pressure gauge
Gas train with manual gas pressure regulator and shutoff
Eaton safety/disconnect switch
Honeywell burner control

 
KEY FEATURES & BENEFITS
 
Columbia Vertical Boiler:

Vertical tubeless design — compact, small-footprint steam generation
50 HP / 1,725 lbs/hr steam output
150 PSI maximum allowable working pressure
3/8" shell — heavy steel pressure vessel
Factory-applied finish and insulation

 
Power Flame Burner:

Power Flame JR50A-15 forced-draft natural gas burner
650–2,100 MBH modulating/staged gas input
Marathon burner motor
Integral gas train with manual pressure regulator
Honeywell flame safeguard / burner control

 
Controls & Trim:

Columbia factory control cabinet
Water column / gauge glass with annual-service LWCO probes
Steam pressure gauge
Eaton disconnect switch
Phase / voltage and water-treatment reference labeling (TDS 2,000 ppm max; oxygen <0.007 mg/l)

 
SYSTEM COMPONENTS
 
Boiler:

Columbia Type CT vertical steam boiler — 50 HP
National Board No. 150807, built 2012
Steam pressure gauge and water column with gauge glass

 
Burner & Gas Train:

Power Flame JR50A-15 natural gas burner, S/N 091179881
Marathon burner motor
Manual gas pressure regulator and gas train piping

 
Controls:

Columbia control cabinet
Honeywell burner control
Eaton disconnect switch

 
SPECIFICATIONS SUMMARY

Manufacturer: Columbia Boiler Co. of Pottstown (Boiler) / Power Flame (Burner)
Equipment Type: Vertical Tubeless Gas-Fired Steam Boiler
Model / Type: CT
Boiler Horsepower: 50 HP
MAWP: 150 PSI
Steam Capacity: 1,725 lbs/hr
Firing Rate: 2,100,000 BTU/hr — Natural Gas
Burner: Power Flame JR50A-15 (650–2,100 MBH)
National Board No.: 150807
Year Built: 2012
Electrical: 115V, 60 Hz, 1-Phase — 16 Amps
Inlet Gas Pressure: 4.5–14 in. W.C.
Listing: UL-Listed Gas-Fired Boiler Assembly
Condition: Used

 
ADDITIONAL INFORMATION

Condition: Used
Manufacturer: Columbia Boiler Co. of Pottstown (Boiler) / Power Flame (Burner)
Model / Type: CT — 50 HP
National Board No.: 150807 — Built 2012
Rated: 1,725 lbs/hr steam @ 150 PSI MAWP
Burner: Power Flame JR50A-15 natural gas, S/N 091179881
Electrical: 115V, 60 Hz, 1-Phase — 16 Amps
Inspection: Welcome — contact us to schedule

 
IMPORTANT NOTES:

Complete packaged steam boiler — vessel, burner, gas train, and controls included
Natural gas fired — 2,100,000 BTU/hr input
115V single-phase supply required
Vertical design — compact footprint for tight boiler rooms
Must be installed on noncombustible flooring per nameplate; minimum clearances 48" front / 18" rear, sides, vent connector, and above
Buyer responsible for transport and rigging arrangements from current location
Contact us for additional photos, video walkthroughs, or technical questions