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NAVIEN LFA-21K 21 kW

Photos - Boiler NAVIEN LFA-21K 21 kW
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Energy source: liquid fuel; Installation: floor; Type: dual-circuit (heating and DHW); Heating area (m²): 168; Heat output (kW): 21; Coolant min. T (°C): 25; Coolant max. T (°C): 85; DHW min. T (°C): 45; DHW max. T (°C): 83; Performance (ΔT=25 °C) (L/min): 12; Heated floor mode; Efficiency (%): 91
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NAVIEN LFA-21K 21 kW
Energy source:liquid fuel
Mount:floor, dual-circuit
Boiler power:21 kW, area ~ 168 m²
Combustion chamber:closed
DHW temperature:from 45 °С, up to 83 °С
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
All specifications
Specifications LFA-21K
Main
Energy sourceliquid fuel
Installationfloor
Typedual-circuit (heating and DHW)
Heating area168 m²
Technical specs
Heat output21 kW
Power supply230 V
Coolant min. T25 °С
Coolant max. T85 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure8 bar
Consumer specs
DHW min. T45 °С
DHW max. T83 °С
Performance (ΔT=25°C)12 L/min
Heated floor mode
Circulation pump
Boiler specs
Efficiency91 %
Combustion chamberclosed (turbocharged)
Connections
Mains water intake1/2"
DHW flow1/2"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
More specs
Dimensions (HxWxD)754x320x520 mm
Weight51 kg
Added to E-Catalogapril 2015
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
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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Additional features boiler NAVIEN LFA-21K:
  • Fuel consumption — 2.52 L/h
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LFA-21K