All-in-one boiler protection
Pump, valve, and thermometer in one station
Combines return-temperature protection, circulation, and temperature monitoring in one insulated assembly.
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Hybrid Coal Boiler — EKO DUO Industrial (entry tier)
Heating Capacity: Up to 15,000 ft²
Entry industrial EKO DUO for commercial and industrial hydronic heating loads.
Shipping$4,936Free
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Installed in real homes and workshops
I love the modern control panel on my Eko series boiler. It takes all the guesswork out of the burning process. It's surprisingly simple to dial in the settings, and it manages the heat perfectly. Total peace of mind.
Simple, Smart Heating Control
Intuitive screen and straightforward settings make operation effortless.
Commercial-use automatic self-cleaning Hybrid Coal Boiler built for larger hydronic systems, with configurable ash removal and hopper-side options on the EKO DUO platform.
| Heating capacity (modulation) | 185–510 KBTU |
|---|---|
| Efficiency | 90% |
| Fuel consumption | 132 lb/h |
| Boiler water volume | 53 gal |
| Connection | 2 in |
| Chimney diameter | 8 in |
| Minimum chimney height | 24 ft |
| Heat area | Up to 15,000 ft² |
| Hopper volume | 238 gal |
| Hopper coal capacity | 1,930 lb |
Complete the system
All-in-one boiler protection
Combines return-temperature protection, circulation, and temperature monitoring in one insulated assembly.
View detailsBuffer tank
The stainless buffer tank stores boiler heat during batch-fired burns, holding reserve heat for the house to draw on between cycles.
View detailsBoiler protection
A thermostatic valve keeps return water above 130°F to reduce condensation and corrosion inside the boiler.
View detailsRemote boiler control
Connects supported PLUM controllers to Wi-Fi or Ethernet for remote monitoring, alerts, and adjustments.
View detailsVerified Google reviews from MBTEK customers across our heating and hydronic product lines.
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