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300070
Mikrofill - Ethos 70 Wall Mounted Boiler - 70kw - 7.0 Litres - Single Phase - OBSOLETEThe Ethos Stainless Steel wall-mounted boiler range is designed and built in the UK for today's commercial buildings, combining reliability with simple installation.
With outstanding 10:1 premix burner modulation, an integral shunt pump and low-noise operation, the Ethos series sets a high bar. for efficiency and control in compact plantrooms.
- Stainless Steel heat exchanger for durability and performance
- 10:1 turndown for precise load matching and stable operation
- Onboard cascade control for multi-boiler sequencing
- Seasonal efficiency >96% to reduce running costs
The Ethos 70 delivers a 70 kW output with integrated cascade control; the range also includes 90, 110 and 130 KW models, with cascade options up to 780 kW.
Out Of StockFree Standard Delivery
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300090
Mikrofill - Ethos 90 Wall Mounted Boiler - 90kw - 8.8 Litres - Single Phase - OBSOLETEThe Ethos Stainless Steel wall-mounted condensor boiler range is designed and built in the UK for today's commercial buildings, combining reliability with simple installation.
With outstanding 10:1 premix burner modulation, an integral shunt pump and low-noise operation, the Ethos series sets a high bar. for efficiency and control in compact plantrooms.
- Stainless Steel heat exchanger for durability and performance
- 10:1 turndown for precise load matching and stable operation
- Onboard cascade control for multi-boiler sequencing
- Seasonal efficiency >96% to reduce running costs
The Ethos 90 delivers a 90 kW output with integrated cascade control; the range includes 70, 90, 110 and 130 KW models, with cascade options up to 780 kW.
Out Of StockFree Standard Delivery
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300110
Mikrofill - Ethos 110 Wall Mounted Boiler - 110kw - 10.7 Litres - Single Phase - OBSOLETEThe Ethos Stainless Steel wall-mounted condensor boiler range is designed and built in the UK for today's commercial buildings, combining reliability with simple installation.
With outstanding 10:1 premix burner modulation, an integral shunt pump and low-noise operation, the Ethos series sets a high bar. for efficiency and control in compact plantrooms.
- Stainless Steel heat exchanger for durability and performance
- 10:1 turndown for precise load matching and stable operation
- Onboard cascade control for multi-boiler sequencing
- Seasonal efficiency >96% to reduce running costs
The Ethos 110 delivers a 110 kW output with integrated cascade control; the range includes 70, 90, 110 and 130 KW models, with cascade options up to 780 kW.
Out Of StockFree Standard Delivery
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320350
Mikrofill - Ethos 350 Floor-standing Boiler - 350.0kw - 25 Litres - Single Phase - OBSOLETEThe Ethos 350 Floor Standing Condensing Boiler is a UK-designed Stainless Steel twin-burner unit for modern commercial buildings, delivering reliable performance and straightforward installation.
With 20:1 premix burner modulation and two premix burners per boiler, the Ethos FS range precisely matches building load across seasons. Onboard boiler cascade control comes as standard for seamless sequencing.
- 20:1 turndown for stable, efficient part-load operation
- Twin premix burners per boiler
- Stainless Steel heat exchanger with 5-year HX warranty
- Onboard cascade control for multi-boiler systems
Available in 350 kW and 550 kW models with installation options from 17.5 kW up to 3.3 MW (via cascade). Low emissions with NOx as low as 31 mg/kW.
Out Of StockFree Standard Delivery
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320550
Mikrofill - Ethos 550 Floor-standing Boiler - 550kw - 30 Litres - Single Phase - OBSOLETEThe Ethos 550 Floor Standing Condensing Boiler is a UK-designed Stainless Steel twin-burner unit for modern commercial buildings, delivering reliable performance and straightforward installation.
With 20:1 premix burner modulation and two premix burners per boiler, the Ethos FS range precisely matches building load across seasons. Onboard boiler cascade control comes as standard for seamless sequencing.
- 20:1 turndown for stable, efficient part-load operation
- Twin premix burners per boiler
- Stainless Steel heat exchanger with 5-year HX warranty
- Onboard cascade control for multi-boiler systems
Available in 350 kW and 550 kW models with installation options from 17.5 kW up to 3.3 MW (via cascade). Low emissions with NOx as low as 31 mg/kW.
Out Of StockFree Standard Delivery
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330350
Mikrofill - Ethos RS 350 Floor-standing Room Sealed Boiler - 350kw - 25 Litres - Single Phase - OBSOLETEThe Mikrofill Ethos RS350 Floor Standing Room Sealed Condensing Boiler is a high-efficiency, low-emission gas-fired unit with wide modulation for commercial heating.
Operating between ~10–100% output, the RS350's twin premix burners deliver precise load matching with low NOx and CO to meet stringent environmental requirements.
- Floor-standing, room-sealed condensing design for safe, efficient operation
- Twin premix burners for stable control across seasons
- Wide turndown (~10–100%) for accurate load matching
- Low emissions — NOx around 31 mg/kW
Available in 350 kW and 550 kW models (installation options from 17.5 KW up to 3.3 MW). Water content: 25 Ltrs. Includes a Stainless Steel heat exchanger with a 5-year warranty.
Out Of StockFree Standard Delivery
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330550
Mikrofill - Ethos RS 550 Floor-standing Room Sealed Boiler - 550kw - 30 Litres - Single Phase - OBSOLETEThe Mikrofill Ethos RS550 Floor Standing Room Sealed Condensing Boiler is a high-efficiency, low-emission gas-fired unit with wide modulation for commercial heating.
Operating between ~10–100% output, the rs550's twin premix burners deliver precise load matching with low NOx and CO to meet stringent environmental requirements.
- Floor-standing, room-sealed condensing design for safe, efficient operation
- Twin premix burners for stable control across seasons
- Wide turndown (~10–100%) for accurate load matching
- Low emissions — NOx around 31 mg/kW
Available in 350 kW and 550 kW models (installation options from 17.5 KW up to 3.3 MW). Water content: 30 Ltrs. Includes a Stainless Steel heat exchanger with a 5-year warranty.
Out Of StockFree Standard Delivery
Mikrofill Boilers
The Mikrofill Ethos range brings high-efficiency condensing technology to domestic, commercial, and large-scale heating systems. Available in both wall-hung and floor-standing formats, the Ethos series covers a wide spread of outputs, providing flexibility across new installations and refurb projects.
















