40 HP Columbia #MPH-40, Horizontal Firebox Steam Boiler, Low Pressure, Natural Gas, 15 psi steam, 30 psi water, 1,680 MBH, 1,378 lbs/hr, 2018

OVERVIEW
This is a Columbia horizontal firebox steam boiler — Type MPH-40, rated 40 boiler horsepower. Packaged steel firebox vessel fired by natural gas, factory-built by Columbia Boiler Company of Pottstown, Pennsylvania, with a Power Flame JR30A-13 forced-draft gas burner, integral water column and gauge glass, steam pressure gauge, low-water-cutoff controls, and complete gas train with regulator. Low-pressure design — 15 PSI steam / 30 PSI water maximum allowable working pressure. Electrical supply 115V, 60 Hz, single phase, 15 amps or less. Year built 2018. Ready for inspection — contact us to schedule.
Columbia Type MPH-40 horizontal gas-fired steam boiler — 40 HP, rated for 15 PSI steam (30 PSI water) maximum allowable working pressure, 1,378 lbs/hr steam capacity at a firing rate of 1,680,000 BTU/hr input on natural gas. Equipped with a Power Flame JR30A-13 natural gas burner (425–1,680 MBH input range), integral burner motor and Honeywell flame safeguard, factory water column with gauge glass and low-water cutoff, steam pressure gauge, steam stop valve, 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 low-pressure steam heating and process applications.
Ideal for low-pressure process steam, building and campus heating systems, institutional and hospital steam plants, humidification, food and beverage processing, laundries and dry cleaners, or any application requiring a compact packaged low-pressure steam boiler.
EQUIPMENT SPECIFICATIONS
Boiler:
- Manufacturer: Columbia Boiler Company — Pottstown, PA, USA
- Equipment Type: Horizontal Firebox Gas-Fired Steam Boiler
- Model / Type: MPH-40
- Boiler Horsepower: 40 HP
- Maximum Allowable Working Pressure (MAWP): 15 PSI Steam / 30 PSI Water (Low Pressure)
- Steam Capacity: 1,378 lbs/hr
- Safety Valve Capacity: 1,378 lbs/hr
- Heating Surface (WHS): 138.9 sq ft
- BTU Input: 1,680,000 BTU/hr — Natural Gas
- Serial No.: 154444
- National Board No.: 154444
- Year Built: 2018
- Tank Orientation: Horizontal
- Electrical Supply: 115V, 60 Hz, 1-Phase — 15 Amps or less
- Listing: UL-Listed Gas-Fired Boiler Assembly (for use with GR.6 primary safety controls)
- Model Prefix: MP-3171
Burner:
- Manufacturer: Power Flame
- Model: JR30A-13
- Fuel Type: Natural Gas (NAT)
- Gas Input Range: 425–1,680 MBH
- Motor: 1/3 HP
- Control Voltage: 115V / 60 Hz
- Burner Control: Honeywell flame safeguard
Trim & Controls:
- Water column with gauge glass and low-water cutoff (LWCO)
- Steam pressure gauge
- Steam stop / gate valve
- Gas train with manual gas pressure regulator and shutoff
- Eaton safety/disconnect switch
KEY FEATURES & BENEFITS
Columbia Horizontal Firebox Boiler:
- Horizontal firebox design — efficient, accessible packaged steam generation
- 40 HP / 1,378 lbs/hr steam output
- Low-pressure rating — 15 PSI steam / 30 PSI water
- 138.9 sq ft heating surface
- Factory-applied jacket, finish, and insulation
- Recent vintage — built 2018
Power Flame Burner:
- Power Flame JR30A-13 forced-draft natural gas burner
- 425–1,680 MBH gas input — matched to boiler firing rate
- Integral burner motor (1/3 HP)
- Honeywell flame safeguard control
- Gas train with manual pressure regulator
Controls & Trim:
- Water column / gauge glass with low-water-cutoff protection
- Steam pressure gauge and steam stop valve
- Eaton disconnect switch
- Water-treatment reference labeling (TDS 2,000 ppm max; oxygen <0.007 mg/l)
- "Lowest Permissible Water Level" reference plate
SYSTEM COMPONENTS
Boiler:
- Columbia Type MPH-40 horizontal firebox steam boiler — 40 HP
- Serial / National Board No. 154444, built 2018
- Steam pressure gauge, gauge glass, and water column
Burner & Gas Train:
- Power Flame JR30A-13 natural gas burner (425–1,680 MBH)
- Honeywell flame safeguard control
- Manual gas pressure regulator and gas train piping
Controls:
- Water column with low-water cutoff
- Steam stop valve
- Eaton disconnect switch
SPECIFICATIONS SUMMARY
- Manufacturer: Columbia Boiler Company (Boiler) / Power Flame (Burner)
- Equipment Type: Horizontal Firebox Gas-Fired Steam Boiler
- Model / Type: MPH-40
- Boiler Horsepower: 40 HP
- MAWP: 15 PSI Steam / 30 PSI Water (Low Pressure)
- Steam Capacity: 1,378 lbs/hr
- Heating Surface: 138.9 sq ft
- BTU Input: 1,680,000 BTU/hr — Natural Gas
- Burner: Power Flame JR30A-13 (425–1,680 MBH)
- Serial / National Board No.: 154444
- Year Built: 2018
- Electrical: 115V, 60 Hz, 1-Phase — 15 Amps or less
- Listing: UL-Listed Gas-Fired Boiler Assembly
- Condition: Used
ADDITIONAL INFORMATION
- Condition: Used
- Manufacturer: Columbia Boiler Company (Boiler) / Power Flame (Burner)
- Model / Type: MPH-40 — 40 HP
- Serial / National Board No.: 154444 — Built 2018
- Rated: 1,378 lbs/hr steam @ 15 PSI steam / 30 PSI water MAWP
- Burner: Power Flame JR30A-13 natural gas
- Electrical: 115V, 60 Hz, 1-Phase — 15 Amps or less
- Inspection: Welcome — contact us to schedule
IMPORTANT NOTES:
- Complete packaged low-pressure steam boiler — vessel, burner, gas train, and controls included
- Natural gas fired — 1,680,000 BTU/hr input
- Low-pressure design (15 PSI steam) — not for high-pressure process applications
- 115V single-phase supply required
- Must be installed on noncombustible flooring per nameplate; minimum clearances 48" front / 36" rear, sides, and above / 18" vent connector
- Buyer responsible for transport and rigging arrangements from current location
- Contact us for additional photos, video walkthroughs, or technical questions
Location: Miami, FL