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Arderia D-21 21 kW

Photos - Boiler Arderia D-21 21 kW
Outdated Product
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 168; Heat output (kW): 21; Coolant min. T (°C): 30; Coolant max. T (°C): 80; DHW min. T (°C): 30; DHW max. T (°C): 60; Performance (ΔT=25 °C) (L/min): 16.1; Efficiency (%): 90.7; Combustion chamber: closed (turbocharged)
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Arderia D-21 21 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:21 kW, area ~ 168 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:from 30 °С, before 60 °С
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications D-21
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area168 m²
Technical specs
Heat output21 kW
Power supply230 V
Power consumption145 W
Coolant min. T30 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure10 bar
Consumer specs
DHW min. T30 °С
DHW max. T60 °С
Performance (ΔT=25°C)16.1 L/min
"Summer" mode
Circulation pump
Boiler specs
Efficiency90.7 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm / 80/80 for split flue /
Max. gas consumption2.57 m³/h
Expansion vessel capacity6.5 L
Expansion vessel pressure1 bar
Connections
Mains water intake3/4"
DHW flow3/4"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)652x420x317 mm
Weight26.2 kg
Added to E-Catalogaugust 2017
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Information in model description is for reference purposes.
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D-21