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NAVIEN LST-21K 21 kW

Photos - Boiler NAVIEN LST-21K 21 kW
Outdated Product
$1,491.00
Energy source: liquid fuel; Installation: floor; Type: dual-circuit (heating and DHW); Heating area (m²): 158; Remote control unit; Heat output (kW): 21; Coolant min. T (°C): 41; Coolant max. T (°C): 80; DHW min. T (°C): 45; DHW max. T (°C): 83; Performance (ΔT=25 °C) (L/min): 12; Efficiency (%): 90
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NAVIEN LST-21K 21 kW
Energy source:liquid fuel
Mount:floor, dual-circuit
Boiler power:21 kW, area ~ 158 m²
Combustion chamber:closed, flue 75 mm
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 LST-21K
Main
Energy sourceliquid fuel
Installationfloor
Typedual-circuit (heating and DHW)
Heating area158 m²
Technical specs
Heat output21 kW
Power supply230 V
Power consumption63 W
Coolant min. T41 °С
Coolant max. T80 °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
Performance (ΔT ~30 °C)6.3 L/min
Circulation pump
Boiler specs
Efficiency90 %
Combustion chamberclosed (turbocharged)
Flue diameter75 mm
Max. gas consumption2.52 m³/h / L/h (fuel) /
Connections
Mains water intake1/2"
DHW flow1/2"
Central heating flow1"
Central heating return1"
Safety
Safety systemswater overheating
flame loss
draft control
water circulation failure
frost protection
More specs
Dimensions (HxWxD)777x327x543 mm
Weight40 kg
Added to E-Catalogjune 2012
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 LST-21K:
  • Fuel preheating (on KR series models)
Filters
Models
(energy source) 
liquid fuel 
Out of stock
LST-21K