De Dietrich GT 123 21 kW
![]() | Outdated Product Energy source: gas / liquid fuel; Installation: floor; Type: single-circuit (heating only); Heating area (m²): 158; Remote control unit; Heat output (kW): 21; Coolant min. T (°C): 30; Coolant max. T (°C): 90; Efficiency (%): 96.5; Combustion chamber: open (atmospheric); Firebox size: Dimensions (mm): 860x570x565 E-Catalog uses affiliate links compensated by our partners. |
De Dietrich GT 123 21 kW
Energy source:gas / liquid fuel
Mount:floor, single-circuit
Boiler power:21 kW, area ~ 158 m²
Combustion chamber:open, flue 125 mm
All specifications
Specifications GT 123
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog De Dietrich 2026 - new arrivals, bestsellers, and the most relevant models De Dietrich.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog De Dietrich 2026 - new arrivals, bestsellers, and the most relevant models De Dietrich.
Additional features boiler De Dietrich GT 123:
- It is possible to combine the boiler with one of the control panels (optional): basic (B), Easymatic (E), Diematic 3 (D)

