The wall hung condensing boiler ATTACK KST Plus (model 2015)
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ATTACK KST PLUS

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  • Efficiencywall hung gas condensing boiler
  • fluent electronic output modulation
  • intelligent eqiuthermal regulation
  • microprocessor control
  • saving of the operation data in the memory (PC interface)
  • well-readable digital display
  • autodiagnostics
  • control system COMFORT /ECO for D.H.W. preparation
  • PREMIX ceramic burner
  • premixing, antifreeze protection, protection against the pump blockage
  • efficiency up to 109 %
  • patented aluminium multi-plate exchanger
  • intelligent regulation OpenTherm
  • D.H.W. preparation in a plate exchanger
  • 1x pump, three-way valve
  • Option of instantaneous D.H.W. warming by a solar device
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The wall hung condensing boiler ATTACK KST Plus with modern design, equipped with advanced technology with increased reliability and construction quality.

The KST Plus is a condensing boiler with hermetic chamber designed for heating and instantaneous warming of D.H.W. with mixer by high level of efficiency and very low emissions value, using the natural or liquefied gas. It is equipped with the microprocessor control system.

The boiler body consists from the aluminium multi – plate exchanger and ceramic mixing burner, that is equipped with an electronic ignition with ionisation flame control, modulation fan and modulation gas valve.
Max. thermal output of central heating 25 kW
Min. thermal output of central heating 5,8 kW
Max. thermal output of central heating (50/30°C) / (80/60°C) 26,5 / 24,5 kW
Max. thermal output of central heating (80/60°C) 5,7 kW
Gas connection pressure G20 20 mbar
Gas connection pressure G31 37 mbar
Emission class NOX 5 
Volume of water in the boiler in central h. 1,7 l
Max. / min. operating pressure by heating 3 / 0,8 bar
Efficiency class by directive 92/42 EHS 4 
D.H.W. flow Dt 25°C 15,5 l/min
D.H.W. flow Dt 30°C 12,9 l/hod
El. voltage ~ 230 / 50 V / Hz
El. input 100 W
El. input by D.H.W. preparation 100 W
Weight of the empty boiler 29 kg
Dimensions (W x H x D) 400 x 600 x 320 mm
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ATTACK Ltd. WORLD
Customer service
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ATTACK Ltd. WORLD
ATTACK Ltd. WORLD