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Viessmann Vitopend 100-W WHKB021 25 kW 25.1 kW

Photos - Boiler Viessmann Vitopend 100-W WHKB021 25 kW 25.1 kW
Outdated Product
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 201; Heat output (kW): 25.1; Coolant max. T (°C): 76; DHW min. T (°C): 30; DHW max. T (°C): 57; Heated floor mode; Efficiency (%): 92.9; Combustion chamber: closed (turbocharged); Firebox size: Dimensions (mm): 725x450x360
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Viessmann Vitopend 100-W WHKB021 25 kW
Viessmann Vitopend 100-W WHKB021 25 kW 25.1 kW
25.1 kW
30 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:25.1 kW, area ~ 201 m²
Combustion chamber:closed, flue 60/100 mm
DHW temperature:from 30 °С, up to 57 °С
All specifications
Specifications Vitopend 100-W WHKB021 25 kW
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area201 m²
Technical specs
Heat output25.1 kW
Power supply230 V
Power consumption136 W
Coolant max. T76 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure10 bar
Consumer specs
DHW min. T30 °С
DHW max. T57 °С
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency92.9 %
Combustion chamberclosed (turbocharged)
Flue diameter60/100 mm / 80/80 mm for separate /
Inlet gas pressure20 mbar
Max. gas consumption2.83 m³/h
Expansion vessel capacity10 L
Expansion vessel pressure0.5 bar
Connections
Mains water intake1/2"
DHW flow1/2"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
frost protection
More specs
Dimensions (HxWxD)725x450x360 mm
Weight37 kg
Added to E-Catalogoctober 2015
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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