904 E. Pearson Street
Milwaukee, Wisconsin 53202
(414) 276-4822


The AERCO Benchmark 3000 Low NOx water boiler is designed for condensing application in any closed loop hydronic system. It delivers 15:1 burner turndown to match energy input directly to fluctuating system loads to yield the highest possible seasonal efficiencies. It can achieve 93.5+% efficiency and the low NOx burner emissions consistently measure <30ppm of NOx corrected to 3% excess oxygen at all firing rates.

The BMK3000 is designed with AERCO's patent pending Oxygen level (O2) monitoring system. This system designed to display the O2 level directly on the unit in real time, can also be remotely monitored via Modbus giving the customer the ability to measure the emissions level and fuel economy of the boiler without traditonal combustion calibration devices.

The BMK 3000 can be used singly or in modular arrangements and offers selectable modes of operation. One of more can be integrated with Modbus communications protocol to AERCO's multiple boiler management system (BMS) or a facility-wide Energy Management or Building Automation System.

Features of the Aerco BMK 3000LN
  • 15:1 Turndown
  • Oxygen Level (O2) monitoring system - displays O2 levels on the unit
  • NOx Emissions <30ppm at all Firing Rates
  • Stainless Steel Heat Exchanger
  • Compact Footprint (78"H x 28"W x 56"D)
  • Quiet Operation throughout firing range
Benchmark 3000 Info