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Catalog   /   Climate, Heating, Water Heating   /   Heating & Boilers   /   Boilers   /   Buderus

Buderus Logamax GB042-22K 21.8 kW
230 V

Photos - Boiler Buderus Logamax GB042-22K 21.8 kW 230 V
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Котел Buderus конденсационный Logamax plus GB042-22

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Buderus Logamax GB042-22K 21.8 kW
230 V
Energy source:gas
Mount:wall, dual-circuit
Boiler power:21.8 kW, area ~ 174 m²
Combustion chamber:closed, flue 60/100, 80/125 mm
DHW temperature:from 40 °С, up to 60 °С
All specifications
Specifications Logamax GB042-22K
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area174 m²
Condensing
Technical specs
Heat output21.8 kW
Power supply230 В
Power consumption125 W
Coolant max. T90 °С
Heating circuit max. pressure3 bar
Consumer specs
DHW min. T40 °С
DHW max. T60 °С
Performance (ΔT ~30 °C)12 L/min
Circulation pump
Boiler specs
Efficiency109 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100, 80/125 mm / 80/80 mm for separate /
Inlet gas pressure16 mbar
Max. gas consumption2.8 m³/h
Expansion vessel capacity10 L
Expansion vessel pressure0.5 bar
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
frost protection
More specs
Dimensions (HxWxD)840x400x370 mm
Weight44 kg
Added to E-CatalogFebruary 2015
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 Buderus 2025 - new arrivals, bestsellers, and the most relevant models Buderus.

Buderus Logamax GB042-22K 21.8 kW
230 V
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    Additional features boiler Buderus Logamax GB042-22K:
    • Possibility to connect an indirect heating boiler
    • Ability to connect a remote control unit
    • Possibility to connect an outdoor temperature sensor