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FERROLI PEGASO ECO 11 NG instantaneous gas water heater, natural gas G20, GCC1MKAA
FERROLI PEGASO ECO 11 (NG) instantaneous gas water heater, natural gas G20, GCC1MKAA
FERROLI PEGASO ECO 11 (NG) GCC1MKAA is a compact wall-mounted instantaneous gas water heater designed for domestic hot-water production and operation with G20 natural gas. It features an open combustion chamber, natural draught and modulating heat output.
PEGASO ECO 11 delivers up to 10.8 l/min at ΔT 25 °C and 9.0 l/min at ΔT 30 °C. Domestic hot-water temperature can be adjusted between 40 and 65 °C.
Maximum heat input is 21.1 kW and minimum heat input is 8.1 kW. Useful heat output is modulated from 7.0 to 18.9 kW, with efficiency at maximum output of 87%.
The modulating burner adjusts heat output according to hot-water demand, helping to maintain a stable outlet-water temperature and efficient gas consumption.
The heat exchanger is manufactured from copper tubes and externally protected with an anti-corrosion aluminium treatment. The low-emission burner meets NOx Class 6.
Electronic ignition eliminates the need for a permanent pilot flame. The unit is battery powered at 3 V DC, so no 230 V mains connection is required.
The control interface includes a display for water temperature, burner operation and battery status. Heat output and hot-water temperature are adjusted using ergonomic control knobs.
For the G20 natural-gas version, gas supply pressure is 20 mbar. Maximum gas consumption is 2.23 m³/h and minimum gas consumption is 0.86 m³/h.
Maximum water operating pressure is 10 bar and minimum operating pressure is 0.2 bar. Gas, cold-water and hot-water connections are all ½".
PEGASO ECO 11 is a B11BS atmospheric appliance with an open combustion chamber and natural draught. The flue outlet diameter is Ø110 mm. It is intended for indoor installation in accordance with applicable gas-appliance, ventilation and flue regulations.
According to the Ferroli dimensional drawing, the appliance body measures approximately 550 × 330 × 180 mm (H × W × D), with H1 specified as 575 mm. Empty net weight is 9.5 kg.
FERROLI PEGASO ECO 11 combines compact dimensions, electronic ignition, modulating heat output, a copper heat exchanger and low NOx emissions for reliable instantaneous domestic hot-water production using natural gas.
Key advantages
- G20 natural-gas / NG version.
- Manufacturer code GCC1MKAA.
- DHW flow up to 10.8 l/min.
- Useful heat output up to 18.9 kW.
- Modulating heat output.
- DHW temperature 40–65 °C.
- Electronic ignition without permanent pilot flame.
- Battery powered – no 230 V connection required.
- Copper heat exchanger with anti-corrosion treatment.
- Low NOx emissions – Class 6.
- ErP energy class A.
- Load profile M.
- Net weight only 9.5 kg.
Technical information
| General information | |
| Manufacturer | FERROLI |
| Model | PEGASO ECO 11 |
| Manufacturer code – G20 / NG | GCC1MKAA |
| Gas type | Natural gas G20 |
| Appliance type | B11BS, open chamber, natural draught |
| Performance | |
| Maximum heat input Qn | 21.1 kW |
| Minimum heat input Qn | 8.1 kW |
| Maximum useful output Pn | 18.9 kW |
| Minimum useful output Pn | 7.0 kW |
| Efficiency at maximum output | 87% |
| ErP class / load profile | A / M |
| NOx class G20 | 6, <56 mg/kWh |
| Domestic hot water | |
| DHW flow ΔT 25 °C | 10.8 l/min |
| DHW flow ΔT 30 °C | 9.0 l/min |
| DHW temperature setting | 40–65 °C |
| Water pressure min. / max. | 0.2 / 10 bar |
| G20 natural gas | |
| Gas supply pressure | 20 mbar |
| Gas consumption min. / max. | 0.86 / 2.23 m³/h |
| G20 burner injectors | 24 × Ø0.85 mm |
| Electrical and connections | |
| Ignition / power supply | Electronic / batteries, 3 V DC |
| Protection | IPX4D |
| Gas / cold / hot water connections | ½" / ½" / ½" |
| Flue outlet | Ø110 mm |
| Dimensions H × W × D | 550 × 330 × 180 mm |
| H1 dimension | 575 mm |
| Net weight | 9.5 kg |
| Package dimensions / gross weight | Not specified in FERROLI public product data |
Installation
FERROLI PEGASO ECO 11 is an open-chamber natural-draught gas appliance. Installation must comply with applicable regulations concerning gas appliances, ventilation and flue gas discharge. Connection to the gas supply and commissioning must be performed by a suitably qualified professional.