The GC2300iW 15/25C is a modern dual-function (combi) condensing wall-mounted gas boiler. It features an integrated plate heat exchanger for instant hot water production, eliminating the need for a hot water tank. With 1:10 modulation, a quiet 43 dB operation, 6 L expansion vessel, energy-efficient pump, and intuitive LCD display, it’s ideal for residential heating and hot water in Tallinn and across Estonia.
Technical Table
| Parameter | Value |
|---|---|
| Type | Dual-function (combi), instantaneous |
| Heating Power | 3.0–15.0 kW |
| Hot Water Output | up to 24.0 kW |
| DHW Flow Rate | ~13.8 l/min (ΔT 25 °C) |
| Seasonal Efficiency | up to 94% (Class A) |
| Noise Level | 43 dB |
| Modulation Ratio | 1:10 |
| Expansion Vessel | 6 L |
| Pump | Electronic, EEI ≤ 0.23 |
| LCD Display | Yes |
| Dimensions (H×W×D) | 713 × 400 × 300 mm |
| Weight | ~36 kg |
| Flue Options | Ø 60/100 or Ø 80/125 mm |
| Heat Exchanger Material | Aluminium-magnesium alloy |
