Find

auroTHERM exclusive (discontinued)

Solar thermal

  • Vaillant's highest annual solar yeild per sqaure meter
  • Small and lightweight design
  • MCS accredited

Overview

Attention: This product is now discontinued, so if you are looking for a new solar thermal product, please refer to the auroTHERM VFK 145.

Specifications

Specifications

VTK 570/2VTK 1140/2
auroTHERM exclusive
Number of tubes612
Peak output per collector module W642 W1278 W
Area-related heat capacity8,3 kJ/(m2k)8,3 kJ/(m2k)
Volume flow (per m2 of collector surface)24 I/(m2h)24 I/(m2h)
Minium volume flow in the solar circuit180 I/h180 I/h
Absolute pressure in the high vacuum10mbar (10 bar)10 mbar (=10 bar)
Grid dimensions (L x H x D)0.7 x 1.65 x 0.11 m1.39 x 1.65 x 0.11 m
Gross area1,16 m22,3 m2
Aperture surface area1 m22 m2
Absorber surface area1 m22 m2
Collector capacity0,9 I1,8 I
Weight19 kg37 kg
System overpressure, max permissible10 bar10 bar
Shutdown temperture, max272 °C272 °C
Connection width, flow/return15 mm15 mm
Material for the tube collectorAI/1.4301/glass/silicone/PBT/EPDM/TEAI/1.4301/glass/silicone/PBT/EPDM/TE
Material for glass tubesBorosilicate 3.3Borosilicate 3.3
Material for selective absorber layerAluminum nitrideAluminum nitride
Glass tubes (outer diameter/inner diameter/ wall thickness/ tube length)47 / 37 / 1.6 / 150047 / 37 / 1.6 / 1500
Colour (plastic parts)BlackBlack

Related Products

Related Products

ecoTEC plus system

  • High performance, control and efficiency
  • Precision heating to reduce your fuel bills
  • Hand-built in our award-winning Derbyshire manufacturing plant
  • A wide range of heating control options, from our simple boiler timer right up to our vSMART™ smartphone app
  • 5-year guarantee as standard, with 7 to 10 years available when you book a Vaillant Advance installer

Downloads

Alternative products

Alternative products

auroTHERM VFK 145 solar thermal panel collectors

  • The stylish, high performance flat plate technology gathers thermal energy and delivers hot water to your home
  • They can provide up to 100% of your hot water requirements during the summer months
  • The panels are covered by a 10-year guarantee
  • Option to combine with a system boiler, cylinder and controls for a full system solution
  • Certified by the Microgeneration Certification Scheme (MCS) for quality assurance and to qualify for RHI payments

auroTHERM plus (discontinued)

  • Stylish, high performance, flat plate technology
  • Collector panels are covered by a 10 year guarantee
  • MCS accredited
  • Full system solution available from one manufacturer