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Mora SIRIUS 35KK 34 kW

Photos - Boiler Mora SIRIUS 35KK 34 kW
Outdated Product
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 255; Heat output (kW): 34; 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): 17.9; Heated floor mode; Efficiency (%): 94
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Mora SIRIUS 35KK 34 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:34 kW, area ~ 255 m²
Combustion chamber:open, flue 153 mm
DHW temperature:from 30 °С, up to 60 °С
All specifications
Specifications SIRIUS 35KK
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area255 m²
Technical specs
Heat output34 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)17.9 L/min
Performance (ΔT ~30 °C)12.5 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency94 %
Combustion chamberopen (atmospheric)
Flue diameter153 mm
Inlet gas pressure13 mbar
Max. gas consumption3.8 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)789x600x396 mm
Weight38 kg
Added to E-CatalogJuly 2011
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 2025 - new arrivals, bestsellers, and the most relevant models Mora.
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Model modification:
  • Model SIRIUS 35 KK — double-circuit with an open combustion chamber
  • Model SIRIUS 35 SK — single-circuit with an open combustion chamber
  • Model SIRIUS 35 KT — double-circuit with a closed combustion chamber
  • Model SIRIUS 35 ST — single-circuit with a closed combustion chamber