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Mora SIRIUS 25KT 24.1 kW

Photos - Boiler Mora SIRIUS 25KT 24.1 kW
Outdated Product
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 181; Heat output (kW): 24.1; Coolant min. T (°C): 20; Coolant max. T (°C): 80; DHW min. T (°C): 30; DHW max. T (°C): 60; Performance (ΔT=25 °C) (L/min): 14.6; Heated floor mode; Efficiency (%): 94.68
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Mora SIRIUS 25KT 24.1 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:24.1 kW, area ~ 181 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:from 30 °С, up to 60 °С
All specifications
Specifications SIRIUS 25KT
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area181 m²
Technical specs
Heat output24.1 kW
Power supply230 В
Power consumption180 W
Coolant min. T20 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure6 bar
Consumer specs
DHW min. T30 °С
DHW max. T60 °С
Performance (ΔT=25°C)14.6 L/min
Performance (ΔT ~30 °C)10.4 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency94.68 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm
Inlet gas pressure13 mbar
Max. gas consumption2.7 m³/h
Expansion vessel capacity7 L
Expansion vessel pressure1.2 bar
Connections
Mains water intake1/2"
DHW flow1/2"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemswater overheating
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)775x400x381 mm
Weight33.5 kg
Added to E-CatalogJuly 2011
E-Catalog UK editor, Boilers
Olexandr Cherkashchenko, edited 13.09.2021
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 Mora 2026 - new arrivals, bestsellers, and the most relevant models Mora.
Model modification:
  • Model SIRIUS 25 KT — double-circuit with a closed combustion chamber
  • Model SIRIUS 25 ST — single-circuit with a closed combustion chamber
  • Model SIRIUS 25 KK — double-circuit with an open combustion chamber
  • Model SIRIUS 25 SK — single-circuit with an open combustion chamber