Aerco #BMK-5000-LGP, Nat Gas Boiler, 5 MBTU, 5000 MBH, 140 HP, DRO

OVERVIEW
Aerco BMK-5000 LGP High-Efficiency Condensing Gas Boiler - Model BMK-5000 LGP. Professional-grade natural gas-fired condensing boiler featuring 5,000,000 BTU/HR (5000 MBH) maximum input capacity with 4,700,000 BTU/HR output at 94% AHRI thermal efficiency, equivalent to approximately 140 boiler horsepower. Advanced modulating condensing boiler with 12:1 turndown ratio (400,000 to 5,000,000 BTU/HR range). Complete with 439 stainless steel heat exchanger, integrated modulating air/fuel valve system, fault mode diagnostic panel with digital readout, and comprehensive safety controls. Factory-assembled unit with insulated heat exchanger, electric probe low water cutoff, automatic and manual reset high limits, and CSD-1 compliant gas train. Modern black and gray cabinet design with professional finish. Wall-mounted or floor-standing configuration. 480V 3-phase 60Hz electrical service. Used condition with protective wrapping. Ideal for commercial buildings, institutional facilities, industrial applications, multi-family housing, schools, hospitals, or any facility requiring high-efficiency, low-emissions natural gas heating with proven Aerco reliability and advanced condensing technology.
EQUIPMENT SPECIFICATIONS
Boiler Model Information:
- Manufacturer: Aerco (A Watts Brand)
- Product Line: BMK Series Condensing Boiler
- Model Number: BMK-5000 LGP
- Unit Designation: B-2
- Configuration: High-efficiency condensing boiler
- Fuel Type: Natural Gas (LGP - Low Gas Pressure)
- Technology: Condensing design with stainless steel heat exchanger
Performance Ratings:
- Maximum Input: 5,000,000 BTU/HR (5000 MBH / 5 Million BTU)
- Minimum Input: 400,000 BTU/HR (400 MBH)
- Output: 4,700,000 BTU/HR (4700 MBH / 4.7 Million BTU)
- Boiler Horsepower: Approximately 140 HP equivalent
- Thermal Efficiency: 94% AHRI certified
- Turndown Ratio: 12:1 (modulating)
- Fuel Type: Natural Gas
- Configuration: Condensing hot water boiler
Electrical Specifications:
- Voltage: 480 Volts
- Phase: 3-Phase
- Frequency: 60 Hertz
- Power Supply: 480V/3Ph/60Hz
Heat Exchanger Specifications:
- Material: 439 Stainless Steel
- Design: Single inlet configuration
- Construction: Condensing design
- Insulation: Factory insulated
- Corrosion Resistance: Stainless steel construction
- Condensate Production: Includes condensate trap
Control Systems:
- Fault Mode Diagnostic Panel with Digital Readout
- 12:1 Modulating Air/Fuel Valve
- Adjustable Automatic Reset High Limit
- Manual Reset High Limit (max 210°F setpoint)
- Normally Open Fault Relay
- Digital display and diagnostics
- Advanced microprocessor control
Safety & Instrumentation:
- Electric Probe Low Water Cut-Off
- Adjustable Automatic Reset High Limit
- Manual Reset High Limit (210°F max)
- Combination Temperature and Pressure Gauge
- Pressure Relief Valve (shipped loose)
- CSD-1 compliant gas train
- Multiple safety interlocks
Physical Configuration:
- Type: Wall-mounted or floor-standing
- Cabinet: Black and gray professional finish
- Mounting: Versatile installation options
- Color: Black with gray accents
- Origin: USA (Aerco, Blauvelt, NY)
- Manufacturer Location: 100 Oritani Drive, Blauvelt, NY 10913
KEY FEATURES & BENEFITS
Aerco Quality Manufacturing:
- Premium USA boiler manufacturer
- Watts brand family
- BMK Series design
- High-efficiency condensing technology
- Professional engineering and design
- Blauvelt, New York manufacturing
- Proven reliability in demanding applications
- Industry-leading design
High-Efficiency Condensing Design:
- 94% AHRI thermal efficiency rating
- Condensing technology for maximum efficiency
- Significantly reduced fuel costs
- Lower emissions profile
- Environmentally friendly operation
- Energy Star equivalent performance
- Reduced carbon footprint
- Maximum heat recovery
Advanced Modulating Control:
- 12:1 turndown ratio capability
- 400,000 to 5,000,000 BTU/HR range (400 to 5000 MBH)
- Precise output matching to load
- Modulating air/fuel valve system
- Reduced cycling and wear
- Enhanced comfort control
- Improved efficiency at partial loads
- Responsive to demand changes
Stainless Steel Heat Exchanger:
- 439 stainless steel construction
- Corrosion-resistant design
- Condensing-rated materials
- Single inlet configuration
- Extended service life
- Resistant to flue gas condensation
- Professional engineering
- Factory insulated for efficiency
Comprehensive Control Package:
- Fault Mode Diagnostic Panel
- Digital readout display
- Real-time system monitoring
- Diagnostic capabilities
- Fault code identification
- Easy troubleshooting
- Professional control interface
- User-friendly operation
Safety & Compliance:
- CSD-1 compliant gas train
- Electric probe low water cutoff
- Dual high limit controls (auto and manual reset)
- Manual reset high limit (210°F max setpoint)
- Normally open fault relay
- Pressure relief valve included
- Multiple safety interlocks
- Code-compliant construction
- Professional safety engineering
Complete Factory Package:
- 439 stainless steel heat exchanger
- Integrated modulating burner system
- Fault diagnostic panel with digital display
- Complete gas train (CSD-1 compliant)
- Electric low water cutoff
- Temperature and pressure gauge
- Insulated heat exchanger
- All controls factory-installed
- Pressure relief valve (shipped loose)
- Condensate trap (shipped loose)
- 2" external manual gas cock (shipped loose)
Professional Installation Ready:
- Complete factory-assembled unit
- Wall-mount or floor-standing capability
- All controls pre-wired and tested
- Simplified field connections
- Reduced installation time
- Professional documentation available
- Clearance specifications provided
- Venting requirements detailed
SYSTEM COMPONENTS
Main Boiler Assembly:
- Aerco Model BMK-5000 LGP
- 5,000,000 BTU/HR (5000 MBH) maximum input
- 4,700,000 BTU/HR (4700 MBH) output
- 140 HP equivalent
- 94% thermal efficiency
- Condensing design
- 439 stainless steel heat exchanger
- Single inlet configuration
- Factory insulated
- Professional cabinet
Burner & Combustion System:
- Modulating gas burner assembly
- 12:1 modulating air/fuel valve
- Forced draft combustion
- Pre-mix burner technology
- Flame safeguard system
- Gas pressure monitoring
- Professional burner management
- CSD-1 compliant gas train
Control Systems:
- Fault Mode Diagnostic Panel
- Digital readout display
- Microprocessor-based control
- Modulating control algorithms
- Temperature controls
- Pressure monitoring
- Safety interlocks
- Normally open fault relay
- Professional control package
Safety & Instrumentation:
- Electric probe low water cutoff
- Adjustable automatic reset high limit
- Manual reset high limit (210°F max)
- Combination temperature/pressure gauge
- Pressure relief valve (shipped loose)
- Fault diagnostics
- Safety interlocks
- Emergency shutdown capability
Gas Train Components:
- CSD-1 compliant assembly
- 12:1 modulating air/fuel valve
- Manual gas cock (2", shipped loose)
- Gas pressure regulation
- Safety shut-off valves
- Gas pressure switches
- Inlet connection
- Professional gas train
Condensate Management:
- Condensate trap (shipped loose)
- Condensate drain connection
- pH neutralization provisions
- Proper drainage design
- Condensing boiler requirements
Heat Exchanger System:
- 439 stainless steel construction
- Single inlet design
- Condensing configuration
- Factory insulation
- Corrosion-resistant materials
- Professional engineering
- Extended service life
Cabinet & Mounting:
- Professional black and gray finish
- Insulated cabinet construction
- Wall-mount or floor-standing capability
- Access panels for service
- Professional appearance
- Durable finish
SPECIFICATIONS SUMMARY
Boiler:
- Manufacturer: Aerco (A Watts Brand)
- Model: BMK-5000 LGP
- Unit: B-2
- Type: Condensing gas boiler
- Fuel: Natural Gas (LGP)
- Max Input: 5,000,000 BTU/HR (5000 MBH / 5 Million BTU)
- Min Input: 400,000 BTU/HR (400 MBH)
- Output: 4,700,000 BTU/HR (4700 MBH / 4.7 Million BTU)
- Horsepower: ~140 HP equivalent
- Efficiency: 94% AHRI
- Turndown: 12:1
- Origin: USA
Electrical:
- Voltage: 480 Volts
- Phase: 3-Phase
- Frequency: 60 Hertz
- Service: 480V/3Ph/60Hz
Heat Exchanger:
- Material: 439 Stainless Steel
- Design: Single inlet
- Type: Condensing
- Insulation: Factory insulated
Configuration:
- Type: Wall-mount or floor-standing
- Cabinet: Black and gray finish
- Condition: Used
- Status: Available
ADDITIONAL INFORMATION
- Condition: Used
- Manufacturer: Aerco (A Watts Brand)
- Product Line: BMK Series Condensing Boiler
- Model: BMK-5000 LGP
- Unit Designation: B-2
- Fuel Type: Natural Gas (LGP - Low Gas Pressure)
Performance Specifications:
- Maximum Input: 5,000,000 BTU/HR (5000 MBH / 5 Million BTU)
- Minimum Input: 400,000 BTU/HR (400 MBH)
- Output: 4,700,000 BTU/HR (4700 MBH / 4.7 Million BTU)
- Boiler Horsepower: Approximately 140 HP equivalent
- Thermal Efficiency: 94% AHRI certified
- Turndown Ratio: 12:1 modulating capability
- Modulation Range: 400,000 to 5,000,000 BTU/HR (400 to 5000 MBH)
Electrical Requirements:
- Power Supply: 480 Volts, 3-Phase, 60 Hertz
- Professional electrical installation required
- Disconnect provisions per code
- Circuit protection per specifications
Heat Exchanger Details:
- Material: 439 Stainless Steel
- Design: Condensing configuration
- Inlet: Single inlet design
- Insulation: Factory-installed insulation
- Corrosion Resistance: Stainless steel for condensing applications
- Service Life: Extended durability
Control System Features:
- Fault Mode Diagnostic Panel with Digital Readout
- Real-time system monitoring and diagnostics
- Fault code display for easy troubleshooting
- 12:1 Modulating Air/Fuel Valve for precise control
- Adjustable Automatic Reset High Limit
- Manual Reset High Limit with maximum 210°F setpoint
- Normally Open Fault Relay for system integration
- Microprocessor-based advanced control
- Professional operator interface
Safety Features:
- Electric Probe Low Water Cut-Off protection
- Dual high limit controls (automatic and manual reset)
- Manual reset high limit with 210°F maximum setpoint
- Combination Temperature and Pressure Gauge
- Pressure Relief Valve (shipped loose for field installation)
- CSD-1 compliant gas train
- Multiple safety interlocks
- Emergency shutdown capability
- Flame safeguard system
- Professional safety engineering
Components Included:
- 439 Stainless Steel Heat Exchanger with single inlet
- Fault Mode Diagnostic Panel with Digital Readout
- CSD-1 Compliant Gas Train
- Normally Open Fault Relay
- Adjustable Automatic Reset High Limit
- Manual Reset High Limit (max 210°F setpoint)
- 12:1 Modulating Air/Fuel Valve
- Electric Probe Low Water Cut-Off
- Combination Temperature and Pressure Gauge
- Insulated Heat Exchanger
- Pressure Relief Valve (shipped loose)
- Condensate Trap (shipped loose)
- 2" External Manual Gas Cock (shipped loose)
Installation Requirements:
- Gas pressure: Permissible inlet gas pressure per specifications
- Maximum normal and minimum inlet gas pressure ratings
- Clearances: Per manufacturer specifications for combustible and non-combustible installations
- Venting: Condensing boiler venting requirements (PVC/CPVC or stainless steel)
- Condensate drainage: pH neutralization may be required per local codes
- Electrical service: 480V/3Ph/60Hz by licensed electrician
- Gas connection: By licensed professional per local codes
- Professional commissioning recommended
Condensing Boiler Considerations:
- Produces acidic condensate requiring proper drainage
- pH neutralization may be required per local codes
- Condensate trap must be properly installed and maintained
- Special venting materials required (PVC/CPVC or stainless steel)
- Air filter replacement or cleaning per maintenance schedule
- Annual maintenance recommended for optimal performance
- Water treatment recommended for extended equipment life
Current Status:
- Used condition
- Protective wrapping present
- Ready for installation
- Complete with all factory components
- Available for immediate delivery
Applications:
- Commercial buildings and facilities
- Institutional applications (schools, hospitals)
- Industrial heating applications
- Multi-family residential buildings
- Large commercial spaces
- District heating systems
- Process heating applications
- Hydronic heating systems
- Radiant floor heating
- Snow melting systems
- High-efficiency retrofit projects
Advantages of Condensing Technology:
- 94% thermal efficiency (vs 80-85% for non-condensing)
- Significant fuel cost savings
- Lower emissions (NOx and CO2)
- Environmentally responsible operation
- Eligible for energy efficiency incentives
- Extended equipment life with stainless steel heat exchanger
- Quiet operation
- Compact footprint
Features:
- Aerco BMK-5000 LGP condensing boiler design
- 5,000,000 BTU/HR (5000 MBH / 5 Million BTU) maximum input capacity
- 4,700,000 BTU/HR (4700 MBH / 4.7 Million BTU) net output
- 140 boiler horsepower equivalent
- 94% AHRI thermal efficiency rating
- 12:1 turndown ratio (400,000 to 5,000,000 BTU/HR / 400 to 5000 MBH)
- 439 stainless steel heat exchanger
- Single inlet heat exchanger configuration
- High-efficiency condensing technology
- Modulating burner with 12:1 turndown
- Fault Mode Diagnostic Panel with Digital Readout
- CSD-1 compliant gas train
- Electric probe low water cutoff
- Adjustable automatic reset high limit
- Manual reset high limit (210°F max setpoint)
- Normally open fault relay
- Combination temperature and pressure gauge
- Factory-insulated heat exchanger
- Wall-mount or floor-standing capability
- Professional black and gray cabinet
- 480V/3Ph/60Hz electrical service
- Natural gas (LGP) fuel
- Pressure relief valve included (shipped loose)
- Condensate trap included (shipped loose)
- 2" external manual gas cock included (shipped loose)
- Used condition
- Complete factory-assembled unit
- Professional-grade commercial/industrial construction
- Watts brand quality
- Made in USA (Blauvelt, NY)
- Ready for installation
- Contact for pricing and availability
Location: Ohio