Modulex EXT
- Condensing, gas-fired boiler
- Outdoor installation capability
- 450, 600, 800, 1100, 1500, 2300, 2600, 3000 MBH
AERCO’s Modulex EXT boilers redefine high-efficiency hydronic heating, delivering 450 to 3000 MBH with unmatched reliability and fuel savings. Featuring fully modulating, condensing technology, each boiler integrates independent thermal modules that optimize performance, ensuring superior turndown ratios and non-cycling operation—outperforming conventional equipment.
Designed for versatility and durability, Modulex EXT comes standard with a powder-coated enclosure, making it outdoor installation-ready without additional accessories. Its flexible control options include constant setpoint, indoor/outdoor reset, and 0-10V modulation, while seamless Modbus integration allows connection to Building Automation and Energy Management Systems. Maintenance is simplified with combustion viewports and easy access to components, ensuring long-term efficiency with minimal upkeep.
Modulex EXT is engineered for installation flexibility, supporting multiple supply/return piping and venting configurations, low NOx emissions, and low gas pressure applications. Its lightweight, whisper-quiet design reduces redundancy needs, and multiple units can be co-located for systems exceeding 3000 MBH.
Featuring the Ufly Controller
Modulex EXT is now equipped with the award-winning Ufly controller, enhancing usability, setup speed, and security. Its color touchscreen and intuitive menu provide easy navigation with categorized menu items, clear icon design, and color-coded status indicators. The upgraded controller also includes:
- Password protection to restrict access
- Customizable heating circuit names for zone identification
- Lower startup costs and faster setup
With industry-leading efficiency, intelligent controls, and effortless installation, Modulex EXT is an ideal solution for modern heating applications, new as well as retrofits.
Features and Benefits
High Efficiency & Performance
- Condensing boiler for maximum efficiency
- Unmatched turndown ratio (10.5:1 to 39:1, depending on unit)
- Low NOx emissions (<20 ppm)
- Whisper-quiet operation (<50 dBa)
Fuel & Venting Flexibility
- Compatible with natural gas or propane
- Direct or conventional venting options
- Works with PVC, CPVC, Polypropylene, or AL29-4C venting materials
- Common vent capability
- Equipped with sealed combustion
Ease of Installation & Maintenance
- Small, doorway-size footprint for easy placement
- Flexible piping and venting connections
- Outdoor installation capable with no additional accessories or modifications
- Easy open access for serviceability
- Minimal maintenance required
Superior Reliability & Durability
- Designed for long-lasting, trouble-free operation
- Built to withstand demanding outdoor environments
Advanced Controls & Integration
- 0-10V output to control primary VFD pump
- Supports integration with BAS (Building Automation System)
- Touchscreen controller with an intuitive menu for easy setup and navigation