{"product_id":"aerco-bmk-5000-lgp-5-million-btu-gas-boiler-5000-mbh-140hp-high-efficiency-condensing-natural-gas","title":"Aerco BMK-5000 LGP 5 Million BTU Gas Boiler 5000 MBH 140HP High Efficiency Condensing Natural Gas","description":"\u003cdiv class=\"show-info__description\"\u003e\n\u003cdiv class=\"show-info__section-text ql-editor p-0 overflow-hidden show-info__section-text--full\"\u003e\n\u003cp\u003e\u003cstrong\u003eOVERVIEW\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAerco 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEQUIPMENT SPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBoiler Model Information:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Aerco (A Watts Brand)\u003c\/li\u003e\n\u003cli\u003eProduct Line: BMK Series Condensing Boiler\u003c\/li\u003e\n\u003cli\u003eModel Number: BMK-5000 LGP\u003c\/li\u003e\n\u003cli\u003eUnit Designation: B-2\u003c\/li\u003e\n\u003cli\u003eConfiguration: High-efficiency condensing boiler\u003c\/li\u003e\n\u003cli\u003eFuel Type: Natural Gas (LGP - Low Gas Pressure)\u003c\/li\u003e\n\u003cli\u003eTechnology: Condensing design with stainless steel heat exchanger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerformance Ratings:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum Input: 5,000,000 BTU\/HR (5000 MBH \/ 5 Million BTU)\u003c\/li\u003e\n\u003cli\u003eMinimum Input: 400,000 BTU\/HR (400 MBH)\u003c\/li\u003e\n\u003cli\u003eOutput: 4,700,000 BTU\/HR (4700 MBH \/ 4.7 Million BTU)\u003c\/li\u003e\n\u003cli\u003eBoiler Horsepower: Approximately 140 HP equivalent\u003c\/li\u003e\n\u003cli\u003eThermal Efficiency: 94% AHRI certified\u003c\/li\u003e\n\u003cli\u003eTurndown Ratio: 12:1 (modulating)\u003c\/li\u003e\n\u003cli\u003eFuel Type: Natural Gas\u003c\/li\u003e\n\u003cli\u003eConfiguration: Condensing hot water boiler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage: 480 Volts\u003c\/li\u003e\n\u003cli\u003ePhase: 3-Phase\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hertz\u003c\/li\u003e\n\u003cli\u003ePower Supply: 480V\/3Ph\/60Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat Exchanger Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 439 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eDesign: Single inlet configuration\u003c\/li\u003e\n\u003cli\u003eConstruction: Condensing design\u003c\/li\u003e\n\u003cli\u003eInsulation: Factory insulated\u003c\/li\u003e\n\u003cli\u003eCorrosion Resistance: Stainless steel construction\u003c\/li\u003e\n\u003cli\u003eCondensate Production: Includes condensate trap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eControl Systems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFault Mode Diagnostic Panel with Digital Readout\u003c\/li\u003e\n\u003cli\u003e12:1 Modulating Air\/Fuel Valve\u003c\/li\u003e\n\u003cli\u003eAdjustable Automatic Reset High Limit\u003c\/li\u003e\n\u003cli\u003eManual Reset High Limit (max 210°F setpoint)\u003c\/li\u003e\n\u003cli\u003eNormally Open Fault Relay\u003c\/li\u003e\n\u003cli\u003eDigital display and diagnostics\u003c\/li\u003e\n\u003cli\u003eAdvanced microprocessor control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety \u0026amp; Instrumentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectric Probe Low Water Cut-Off\u003c\/li\u003e\n\u003cli\u003eAdjustable Automatic Reset High Limit\u003c\/li\u003e\n\u003cli\u003eManual Reset High Limit (210°F max)\u003c\/li\u003e\n\u003cli\u003eCombination Temperature and Pressure Gauge\u003c\/li\u003e\n\u003cli\u003ePressure Relief Valve (shipped loose)\u003c\/li\u003e\n\u003cli\u003eCSD-1 compliant gas train\u003c\/li\u003e\n\u003cli\u003eMultiple safety interlocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePhysical Configuration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Wall-mounted or floor-standing\u003c\/li\u003e\n\u003cli\u003eCabinet: Black and gray professional finish\u003c\/li\u003e\n\u003cli\u003eMounting: Versatile installation options\u003c\/li\u003e\n\u003cli\u003eColor: Black with gray accents\u003c\/li\u003e\n\u003cli\u003eOrigin: USA (Aerco, Blauvelt, NY)\u003c\/li\u003e\n\u003cli\u003eManufacturer Location: 100 Oritani Drive, Blauvelt, NY 10913\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKEY FEATURES \u0026amp; BENEFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAerco Quality Manufacturing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium USA boiler manufacturer\u003c\/li\u003e\n\u003cli\u003eWatts brand family\u003c\/li\u003e\n\u003cli\u003eBMK Series design\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency condensing technology\u003c\/li\u003e\n\u003cli\u003eProfessional engineering and design\u003c\/li\u003e\n\u003cli\u003eBlauvelt, New York manufacturing\u003c\/li\u003e\n\u003cli\u003eProven reliability in demanding applications\u003c\/li\u003e\n\u003cli\u003eIndustry-leading desi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHigh-Efficiency Condensing Design:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e94% AHRI thermal efficiency rating\u003c\/li\u003e\n\u003cli\u003eCondensing technology for maximum efficiency\u003c\/li\u003e\n\u003cli\u003eSignificantly reduced fuel costs\u003c\/li\u003e\n\u003cli\u003eLower emissions profile\u003c\/li\u003e\n\u003cli\u003eEnvironmentally friendly operation\u003c\/li\u003e\n\u003cli\u003eEnergy Star equivalent performance\u003c\/li\u003e\n\u003cli\u003eReduced carbon footprint\u003c\/li\u003e\n\u003cli\u003eMaximum heat recovery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdvanced Modulating Control:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12:1 turndown ratio capability\u003c\/li\u003e\n\u003cli\u003e400,000 to 5,000,000 BTU\/HR range (400 to 5000 MBH)\u003c\/li\u003e\n\u003cli\u003ePrecise output matching to load\u003c\/li\u003e\n\u003cli\u003eModulating air\/fuel valve system\u003c\/li\u003e\n\u003cli\u003eReduced cycling and wear\u003c\/li\u003e\n\u003cli\u003eEnhanced comfort control\u003c\/li\u003e\n\u003cli\u003eImproved efficiency at partial loads\u003c\/li\u003e\n\u003cli\u003eResponsive to demand changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStainless Steel Heat Exchanger:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e439 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant design\u003c\/li\u003e\n\u003cli\u003eCondensing-rated materials\u003c\/li\u003e\n\u003cli\u003eSingle inlet configuration\u003c\/li\u003e\n\u003cli\u003eExtended service life\u003c\/li\u003e\n\u003cli\u003eResistant to flue gas condensation\u003c\/li\u003e\n\u003cli\u003eProfessional engineering\u003c\/li\u003e\n\u003cli\u003eFactory insulated for efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComprehensive Control Package:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFault Mode Diagnostic Panel\u003c\/li\u003e\n\u003cli\u003eDigital readout display\u003c\/li\u003e\n\u003cli\u003eReal-time system monitoring\u003c\/li\u003e\n\u003cli\u003eDiagnostic capabilities\u003c\/li\u003e\n\u003cli\u003eFault code identification\u003c\/li\u003e\n\u003cli\u003eEasy troubleshooting\u003c\/li\u003e\n\u003cli\u003eProfessional control interface\u003c\/li\u003e\n\u003cli\u003eUser-friendly operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety \u0026amp; Compliance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCSD-1 compliant gas train\u003c\/li\u003e\n\u003cli\u003eElectric probe low water cutoff\u003c\/li\u003e\n\u003cli\u003eDual high limit controls (auto and manual reset)\u003c\/li\u003e\n\u003cli\u003eManual reset high limit (210°F max setpoint)\u003c\/li\u003e\n\u003cli\u003eNormally open fault relay\u003c\/li\u003e\n\u003cli\u003ePressure relief valve included\u003c\/li\u003e\n\u003cli\u003eMultiple safety interlocks\u003c\/li\u003e\n\u003cli\u003eCode-compliant construction\u003c\/li\u003e\n\u003cli\u003eProfessional safety engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComplete Factory Package:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e439 stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eIntegrated modulating burner system\u003c\/li\u003e\n\u003cli\u003eFault diagnostic panel with digital display\u003c\/li\u003e\n\u003cli\u003eComplete gas train (CSD-1 compliant)\u003c\/li\u003e\n\u003cli\u003eElectric low water cutoff\u003c\/li\u003e\n\u003cli\u003eTemperature and pressure gauge\u003c\/li\u003e\n\u003cli\u003eInsulated heat exchanger\u003c\/li\u003e\n\u003cli\u003eAll controls factory-installed\u003c\/li\u003e\n\u003cli\u003ePressure relief valve (shipped loose)\u003c\/li\u003e\n\u003cli\u003eCondensate trap (shipped loose)\u003c\/li\u003e\n\u003cli\u003e2\" external manual gas cock (shipped loose)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProfessional Installation Ready:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete factory-assembled unit\u003c\/li\u003e\n\u003cli\u003eWall-mount or floor-standing capability\u003c\/li\u003e\n\u003cli\u003eAll controls pre-wired and tested\u003c\/li\u003e\n\u003cli\u003eSimplified field connections\u003c\/li\u003e\n\u003cli\u003eReduced installation time\u003c\/li\u003e\n\u003cli\u003eProfessional documentation available\u003c\/li\u003e\n\u003cli\u003eClearance specifications provided\u003c\/li\u003e\n\u003cli\u003eVenting requirements detailed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSYSTEM COMPONENTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMain Boiler Assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAerco Model BMK-5000 LGP\u003c\/li\u003e\n\u003cli\u003e5,000,000 BTU\/HR (5000 MBH) maximum input\u003c\/li\u003e\n\u003cli\u003e4,700,000 BTU\/HR (4700 MBH) output\u003c\/li\u003e\n\u003cli\u003e140 HP equivalent\u003c\/li\u003e\n\u003cli\u003e94% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eCondensing design\u003c\/li\u003e\n\u003cli\u003e439 stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eSingle inlet configuration\u003c\/li\u003e\n\u003cli\u003eFactory insulated\u003c\/li\u003e\n\u003cli\u003eProfessional cabinet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBurner \u0026amp; Combustion System:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModulating gas burner assembly\u003c\/li\u003e\n\u003cli\u003e12:1 modulating air\/fuel valve\u003c\/li\u003e\n\u003cli\u003eForced draft combustion\u003c\/li\u003e\n\u003cli\u003ePre-mix burner technology\u003c\/li\u003e\n\u003cli\u003eFlame safeguard system\u003c\/li\u003e\n\u003cli\u003eGas pressure monitoring\u003c\/li\u003e\n\u003cli\u003eProfessional burner management\u003c\/li\u003e\n\u003cli\u003eCSD-1 compliant gas train\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eControl Systems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFault Mode Diagnostic Panel\u003c\/li\u003e\n\u003cli\u003eDigital readout display\u003c\/li\u003e\n\u003cli\u003eMicroprocessor-based control\u003c\/li\u003e\n\u003cli\u003eModulating control algorithms\u003c\/li\u003e\n\u003cli\u003eTemperature controls\u003c\/li\u003e\n\u003cli\u003ePressure monitoring\u003c\/li\u003e\n\u003cli\u003eSafety interlocks\u003c\/li\u003e\n\u003cli\u003eNormally open fault relay\u003c\/li\u003e\n\u003cli\u003eProfessional control package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety \u0026amp; Instrumentation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectric probe low water cutoff\u003c\/li\u003e\n\u003cli\u003eAdjustable automatic reset high limit\u003c\/li\u003e\n\u003cli\u003eManual reset high limit (210°F max)\u003c\/li\u003e\n\u003cli\u003eCombination temperature\/pressure gauge\u003c\/li\u003e\n\u003cli\u003ePressure relief valve (shipped loose)\u003c\/li\u003e\n\u003cli\u003eFault diagnostics\u003c\/li\u003e\n\u003cli\u003eSafety interlocks\u003c\/li\u003e\n\u003cli\u003eEmergency shutdown capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGas Train Components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCSD-1 compliant assembly\u003c\/li\u003e\n\u003cli\u003e12:1 modulating air\/fuel valve\u003c\/li\u003e\n\u003cli\u003eManual gas cock (2\", shipped loose)\u003c\/li\u003e\n\u003cli\u003eGas pressure regulation\u003c\/li\u003e\n\u003cli\u003eSafety shut-off valves\u003c\/li\u003e\n\u003cli\u003eGas pressure switches\u003c\/li\u003e\n\u003cli\u003eInlet connection\u003c\/li\u003e\n\u003cli\u003eProfessional gas train\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCondensate Management:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCondensate trap (shipped loose)\u003c\/li\u003e\n\u003cli\u003eCondensate drain connection\u003c\/li\u003e\n\u003cli\u003epH neutralization provisions\u003c\/li\u003e\n\u003cli\u003eProper drainage design\u003c\/li\u003e\n\u003cli\u003eCondensing boiler requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat Exchanger System:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e439 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eSingle inlet design\u003c\/li\u003e\n\u003cli\u003eCondensing configuration\u003c\/li\u003e\n\u003cli\u003eFactory insulation\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant materials\u003c\/li\u003e\n\u003cli\u003eProfessional engineering\u003c\/li\u003e\n\u003cli\u003eExtended service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCabinet \u0026amp; Mounting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional black and gray finish\u003c\/li\u003e\n\u003cli\u003eInsulated cabinet construction\u003c\/li\u003e\n\u003cli\u003eWall-mount or floor-standing capability\u003c\/li\u003e\n\u003cli\u003eAccess panels for service\u003c\/li\u003e\n\u003cli\u003eProfessional appearance\u003c\/li\u003e\n\u003cli\u003eDurable finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS SUMMARY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBoiler:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Aerco (A Watts Brand)\u003c\/li\u003e\n\u003cli\u003eModel: BMK-5000 LGP\u003c\/li\u003e\n\u003cli\u003eUnit: B-2\u003c\/li\u003e\n\u003cli\u003eType: Condensing gas boiler\u003c\/li\u003e\n\u003cli\u003eFuel: Natural Gas (LGP)\u003c\/li\u003e\n\u003cli\u003eMax Input: 5,000,000 BTU\/HR (5000 MBH \/ 5 Million BTU)\u003c\/li\u003e\n\u003cli\u003eMin Input: 400,000 BTU\/HR (400 MBH)\u003c\/li\u003e\n\u003cli\u003eOutput: 4,700,000 BTU\/HR (4700 MBH \/ 4.7 Million BTU)\u003c\/li\u003e\n\u003cli\u003eHorsepower: ~140 HP equivalent\u003c\/li\u003e\n\u003cli\u003eEfficiency: 94% AHRI\u003c\/li\u003e\n\u003cli\u003eTurndown: 12:1\u003c\/li\u003e\n\u003cli\u003eOrigin: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage: 480 Volts\u003c\/li\u003e\n\u003cli\u003ePhase: 3-Phase\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hertz\u003c\/li\u003e\n\u003cli\u003eService: 480V\/3Ph\/60Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat Exchanger:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 439 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eDesign: Single inlet\u003c\/li\u003e\n\u003cli\u003eType: Condensing\u003c\/li\u003e\n\u003cli\u003eInsulation: Factory insulated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfiguration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Wall-mount or floor-standing\u003c\/li\u003e\n\u003cli\u003eCabinet: Black and gray finish\u003c\/li\u003e\n\u003cli\u003eCondition: Used\u003c\/li\u003e\n\u003cli\u003eStatus: Available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eADDITIONAL INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCondition: Used\u003c\/li\u003e\n\u003cli\u003eManufacturer: Aerco (A Watts Brand)\u003c\/li\u003e\n\u003cli\u003eProduct Line: BMK Series Condensing Boiler\u003c\/li\u003e\n\u003cli\u003eModel: BMK-5000 LGP\u003c\/li\u003e\n\u003cli\u003eUnit Designation: B-2\u003c\/li\u003e\n\u003cli\u003eFuel Type: Natural Gas (LGP - Low Gas Pressure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerformance Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum Input: 5,000,000 BTU\/HR (5000 MBH \/ 5 Million BTU)\u003c\/li\u003e\n\u003cli\u003eMinimum Input: 400,000 BTU\/HR (400 MBH)\u003c\/li\u003e\n\u003cli\u003eOutput: 4,700,000 BTU\/HR (4700 MBH \/ 4.7 Million BTU)\u003c\/li\u003e\n\u003cli\u003eBoiler Horsepower: Approximately 140 HP equivalent\u003c\/li\u003e\n\u003cli\u003eThermal Efficiency: 94% AHRI certified\u003c\/li\u003e\n\u003cli\u003eTurndown Ratio: 12:1 modulating capability\u003c\/li\u003e\n\u003cli\u003eModulation Range: 400,000 to 5,000,000 BTU\/HR (400 to 5000 MBH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical Requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply: 480 Volts, 3-Phase, 60 Hertz\u003c\/li\u003e\n\u003cli\u003eProfessional electrical installation required\u003c\/li\u003e\n\u003cli\u003eDisconnect provisions per code\u003c\/li\u003e\n\u003cli\u003eCircuit protection per specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat Exchanger Details:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 439 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eDesign: Condensing configuration\u003c\/li\u003e\n\u003cli\u003eInlet: Single inlet design\u003c\/li\u003e\n\u003cli\u003eInsulation: Factory-installed insulation\u003c\/li\u003e\n\u003cli\u003eCorrosion Resistance: Stainless steel for condensing applications\u003c\/li\u003e\n\u003cli\u003eService Life: Extended durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eControl System Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFault Mode Diagnostic Panel with Digital Readout\u003c\/li\u003e\n\u003cli\u003eReal-time system monitoring and diagnostics\u003c\/li\u003e\n\u003cli\u003eFault code display for easy troubleshooting\u003c\/li\u003e\n\u003cli\u003e12:1 Modulating Air\/Fuel Valve for precise control\u003c\/li\u003e\n\u003cli\u003eAdjustable Automatic Reset High Limit\u003c\/li\u003e\n\u003cli\u003eManual Reset High Limit with maximum 210°F setpoint\u003c\/li\u003e\n\u003cli\u003eNormally Open Fault Relay for system integration\u003c\/li\u003e\n\u003cli\u003eMicroprocessor-based advanced control\u003c\/li\u003e\n\u003cli\u003eProfessional operator interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectric Probe Low Water Cut-Off protection\u003c\/li\u003e\n\u003cli\u003eDual high limit controls (automatic and manual reset)\u003c\/li\u003e\n\u003cli\u003eManual reset high limit with 210°F maximum setpoint\u003c\/li\u003e\n\u003cli\u003eCombination Temperature and Pressure Gauge\u003c\/li\u003e\n\u003cli\u003ePressure Relief Valve (shipped loose for field installation)\u003c\/li\u003e\n\u003cli\u003eCSD-1 compliant gas train\u003c\/li\u003e\n\u003cli\u003eMultiple safety interlocks\u003c\/li\u003e\n\u003cli\u003eEmergency shutdown capability\u003c\/li\u003e\n\u003cli\u003eFlame safeguard system\u003c\/li\u003e\n\u003cli\u003eProfessional safety engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponents Included:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e439 Stainless Steel Heat Exchanger with single inlet\u003c\/li\u003e\n\u003cli\u003eFault Mode Diagnostic Panel with Digital Readout\u003c\/li\u003e\n\u003cli\u003eCSD-1 Compliant Gas Train\u003c\/li\u003e\n\u003cli\u003eNormally Open Fault Relay\u003c\/li\u003e\n\u003cli\u003eAdjustable Automatic Reset High Limit\u003c\/li\u003e\n\u003cli\u003eManual Reset High Limit (max 210°F setpoint)\u003c\/li\u003e\n\u003cli\u003e12:1 Modulating Air\/Fuel Valve\u003c\/li\u003e\n\u003cli\u003eElectric Probe Low Water Cut-Off\u003c\/li\u003e\n\u003cli\u003eCombination Temperature and Pressure Gauge\u003c\/li\u003e\n\u003cli\u003eInsulated Heat Exchanger\u003c\/li\u003e\n\u003cli\u003ePressure Relief Valve (shipped loose)\u003c\/li\u003e\n\u003cli\u003eCondensate Trap (shipped loose)\u003c\/li\u003e\n\u003cli\u003e2\" External Manual Gas Cock (shipped loose)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation Requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGas pressure: Permissible inlet gas pressure per specifications\u003c\/li\u003e\n\u003cli\u003eMaximum normal and minimum inlet gas pressure ratings\u003c\/li\u003e\n\u003cli\u003eClearances: Per manufacturer specifications for combustible and non-combustible installations\u003c\/li\u003e\n\u003cli\u003eVenting: Condensing boiler venting requirements (PVC\/CPVC or stainless steel)\u003c\/li\u003e\n\u003cli\u003eCondensate drainage: pH neutralization may be required per local codes\u003c\/li\u003e\n\u003cli\u003eElectrical service: 480V\/3Ph\/60Hz by licensed electrician\u003c\/li\u003e\n\u003cli\u003eGas connection: By licensed professional per local codes\u003c\/li\u003e\n\u003cli\u003eProfessional commissioning recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCondensing Boiler Considerations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduces acidic condensate requiring proper drainage\u003c\/li\u003e\n\u003cli\u003epH neutralization may be required per local codes\u003c\/li\u003e\n\u003cli\u003eCondensate trap must be properly installed and maintained\u003c\/li\u003e\n\u003cli\u003eSpecial venting materials required (PVC\/CPVC or stainless steel)\u003c\/li\u003e\n\u003cli\u003eAir filter replacement or cleaning per maintenance schedule\u003c\/li\u003e\n\u003cli\u003eAnnual maintenance recommended for optimal performance\u003c\/li\u003e\n\u003cli\u003eWater treatment recommended for extended equipment life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCurrent Status:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUsed condition\u003c\/li\u003e\n\u003cli\u003eProtective wrapping present\u003c\/li\u003e\n\u003cli\u003eReady for installation\u003c\/li\u003e\n\u003cli\u003eComplete with all factory components\u003c\/li\u003e\n\u003cli\u003eAvailable for immediate delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial buildings and facilities\u003c\/li\u003e\n\u003cli\u003eInstitutional applications (schools, hospitals)\u003c\/li\u003e\n\u003cli\u003eIndustrial heating applications\u003c\/li\u003e\n\u003cli\u003eMulti-family residential buildings\u003c\/li\u003e\n\u003cli\u003eLarge commercial spaces\u003c\/li\u003e\n\u003cli\u003eDistrict heating systems\u003c\/li\u003e\n\u003cli\u003eProcess heating applications\u003c\/li\u003e\n\u003cli\u003eHydronic heating systems\u003c\/li\u003e\n\u003cli\u003eRadiant floor heating\u003c\/li\u003e\n\u003cli\u003eSnow melting systems\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency retrofit projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdvantages of Condensing Technology:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e94% thermal efficiency (vs 80-85% for non-condensing)\u003c\/li\u003e\n\u003cli\u003eSignificant fuel cost savings\u003c\/li\u003e\n\u003cli\u003eLower emissions (NOx and CO2)\u003c\/li\u003e\n\u003cli\u003eEnvironmentally responsible operation\u003c\/li\u003e\n\u003cli\u003eEligible for energy efficiency incentives\u003c\/li\u003e\n\u003cli\u003eExtended equipment life with stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eQuiet operation\u003c\/li\u003e\n\u003cli\u003eCompact footprint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAerco BMK-5000 LGP condensing boiler design\u003c\/li\u003e\n\u003cli\u003e5,000,000 BTU\/HR (5000 MBH \/ 5 Million BTU) maximum input capacity\u003c\/li\u003e\n\u003cli\u003e4,700,000 BTU\/HR (4700 MBH \/ 4.7 Million BTU) net output\u003c\/li\u003e\n\u003cli\u003e140 boiler horsepower equivalent\u003c\/li\u003e\n\u003cli\u003e94% AHRI thermal efficiency rating\u003c\/li\u003e\n\u003cli\u003e12:1 turndown ratio (400,000 to 5,000,000 BTU\/HR \/ 400 to 5000 MBH)\u003c\/li\u003e\n\u003cli\u003e439 stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eSingle inlet heat exchanger configuration\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency condensing technology\u003c\/li\u003e\n\u003cli\u003eModulating burner with 12:1 turndown\u003c\/li\u003e\n\u003cli\u003eFault Mode Diagnostic Panel with Digital Readout\u003c\/li\u003e\n\u003cli\u003eCSD-1 compliant gas train\u003c\/li\u003e\n\u003cli\u003eElectric probe low water cutoff\u003c\/li\u003e\n\u003cli\u003eAdjustable automatic reset high limit\u003c\/li\u003e\n\u003cli\u003eManual reset high limit (210°F max setpoint)\u003c\/li\u003e\n\u003cli\u003eNormally open fault relay\u003c\/li\u003e\n\u003cli\u003eCombination temperature and pressure gauge\u003c\/li\u003e\n\u003cli\u003eFactory-insulated heat exchanger\u003c\/li\u003e\n\u003cli\u003eWall-mount or floor-standing capability\u003c\/li\u003e\n\u003cli\u003eProfessional black and gray cabinet\u003c\/li\u003e\n\u003cli\u003e480V\/3Ph\/60Hz electrical service\u003c\/li\u003e\n\u003cli\u003eNatural gas (LGP) fuel\u003c\/li\u003e\n\u003cli\u003ePressure relief valve included (shipped loose)\u003c\/li\u003e\n\u003cli\u003eCondensate trap included (shipped loose)\u003c\/li\u003e\n\u003cli\u003e2\" external manual gas cock included (shipped loose)\u003c\/li\u003e\n\u003cli\u003eUsed condition\u003c\/li\u003e\n\u003cli\u003eComplete factory-assembled unit\u003c\/li\u003e\n\u003cli\u003eProfessional-grade commercial\/industrial construction\u003c\/li\u003e\n\u003cli\u003eWatts brand quality\u003c\/li\u003e\n\u003cli\u003eMade in USA (Blauvelt, NY)\u003c\/li\u003e\n\u003cli\u003eReady for installation\u003c\/li\u003e\n\u003cli\u003eContact for pricing and availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Boilers.com","offers":[{"title":"Default Title","offer_id":46261706195084,"sku":"BGA5MBTU276","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/9838\/9644\/files\/large-used-aerco-bmk-5000-lgp-5-million-btu-gas-boiler-5000-mbh-140-hp-high-efficiency-condensing-nat.jpg?v=1770710657","url":"https:\/\/boilers.com\/products\/aerco-bmk-5000-lgp-5-million-btu-gas-boiler-5000-mbh-140hp-high-efficiency-condensing-natural-gas","provider":"Boilers.com","version":"1.0","type":"link"}