AERCO Benchmark BMK 3000 High-Efficiency Condensing Boiler – 3,000,000 BTU/hr, Approx. 83 HP (93% Thermal Efficiency)

Overview

This used AERCO Benchmark BMK 3000 natural gas-fired condensing boiler is engineered for high-efficiency heating in commercial and institutional applications. With a maximum input of 3,000,000 BTU/hr, an output of 2,790,000 BTU/hr, and a thermal efficiency of 93% (AHRI-rated), this unit is ideal for facilities seeking powerful yet energy-efficient heating. The BMK 3000 is known for its compact footprint, flexible modulation, and proven performance in demanding environments.

Design and Performance

• Model: BMK 3000
• Fuel Type: Natural Gas
• Max Input Capacity: 3,000,000 BTU/hr
• Min Input Capacity: 200,000 BTU/hr
• Output Capacity: 2,790,000 BTU/hr
• Thermal Efficiency: 93% (AHRI Certified)
• Boiler Horsepower: Approx. 83 HP
• Electrical Input: 208V, 60Hz, <20A
• Blower Motor: 3.0 HP
• Normal Manifold Pressure: 4 in. W.C.
• Permissible Inlet Gas Pressure: Max: 14 in. W.C. / Normal: 7 in. W.C. / Min: 2.2 in. W.C.

Key Specifications

• Condition: Used – Professionally Maintained
• Manufacturer: AERCO, a Watts Brand
• Model Number: BMK 3000
• Boiler Type: Condensing High-Efficiency Hot Water Boiler
• BTU Input: 3,000,000 BTU/hr
• Thermal Efficiency: 93%
• Estimated Horsepower: Approx. 83 HP
• Manufactured in: Blauvelt, NY, USA

Ideal Applications

• Commercial Office Buildings
• Universities and School Campuses
• Healthcare Facilities and Hospitals
• District Energy and Central Heating Systems
• High-Rise Residential Buildings
• Industrial Process Heating
• Energy-Efficient Retrofit Projects

Benefits

• High Efficiency: 93% thermal efficiency for reduced fuel use and emissions
• Wide Modulation Range: Operates from 200,000 to 3,000,000 BTU/hr for adaptive load handling
• Space-Saving Design: Ideal for installations with space constraints
• Low NOx Emissions: Complies with stringent environmental regulations
• Reliable Performance: Built for long service life and continuous operation
• Versatile Applications: Suitable for both new installs and retrofit upgrades
• Smart Controls Compatibility: Works with AERCO control systems for intelligent management

Additional Information

• Condition: Used – Fully Functional, Ready to Ship
• Model: BMK 3000
• Fuel Type: Natural Gas
• Thermal Efficiency: 93%
• Boiler Horsepower: Approx. 83 HP
• Electrical Requirements: 208V, 60Hz, <20A
• Clearance Requirements: 3” (sides), 36” (rear/front/flue)