HVACProduct News
AERCO Introduces Mission‑critical Condensing Boiler
AERCO, a Watts brand, introduces MFC II, its next‑generation dual‑fuel condensing boiler engineered specifically for mission‑critical environments. Designed for continuous operation in applications such as hospitals, healthcare campuses, military facilities, data centers, laboratories and industrial plants, MFC II delivers unmatched reliability, fuel flexibility and efficiency where downtime is not an option.
Key features & benefits include:
- Dual‑fuel capability: Seamlessly operates on natural gas, propane or #2 fuel oil backup, ensuring uninterrupted heat delivery during fuel supply disruptions.
- High-efficiency performance: Achieves up to 94.5% thermal efficiency in condensing operation with gas and ultra‑low sulfur oil.
- Wide capacity range: Available from 4,000 to 12,000 MBH that supports mid‑ to large‑scale central plants and campus environments.
- Large waterside volume: Absorbs load fluctuations, reduces cycling, and supports safe operation under no‑flow conditions.
- Robust heat exchanger design: 3‑pass fire‑tube construction with full‑penetration tube welds and 316L stainless steel condensing surfaces ensures long‑term durability.
- Low emissions performance: Standard 30 ppm NOx, with 7 ppm ultra‑low NOx available up to 8,000 MBH.
- Industry‑leading burners: Equipped with Weishaupt power burners for precise combustion and stable performance.
- Advanced control flexibility: Integrates seamlessly with BAS via Modbus and supports lead/lag sequencing, remote setpoint, indoor/outdoor reset and 4–20 mA modulation.
- Simplified serviceability: Spacious furnace and davited rear lid offer direct access for maintenance without removing the burner or fuel train
- Ducted combustion air capable: Suitable for variable primary flow installations.



