AERCO’s Benchmark Platinum commercial boiler is available in eight sizes ranging from 750 to 6,000 MBH and had a patented O2-trim to ensure the system works properly with precise air/fuel ratios during combustion. The unit has dual returns to keep temperatures high and low-temperature return water separate to increase the heat exchanger’s condensing zone. It’s onAER Predictive Maintenance allows access to real-time system performance numbers so building managers can expect when they need to take action to prevent system errors.