Benefits of Wolf high performance flat-plate collectors:

• High performance flat-plate collectors tested to EN 12975 part 2 with Top-energy utilisation. The minimum yield for grants/subsidies [Germany] has been certified
  
  
• The conditions set for the "Blue Angel" certificate of environmental excellence acc. to RAL UZ 73 are met
  
  
• Deep-drawn, highly weather resistant aluminium collector housing
  
  
• Copper absorber (TopSon F3/F3-Q) or aluminium absorber base (CFK-1) with highly selective coating for extremely high yields.
  Meander (TopSon F3/F3-Q) or harp (CFK-1) layout ensure an even flow and effective function during "Low Flow" operation, ultra-sound welded
  
  
• Expansion joints between collectors
  
  
• Safety glass, 3.2 mm (TopSon F3/F3-Q) or 3.0 mm (CFK-1) thick; hail-proof to EN 12975, thermally pre-stressed, TopSon F3/F3-Q with improved transparency
  
  
• EPDM seal, pressed into a single-piece grip moulding
  
  
• With the TopSon F3/F3-Q, up to 5 collectors can be connected to one side; connection either on the l.h. or r.h. side
  
  
• Flat-plate collectors TopSon F3 and CFK-1 for "portrait" installations, TopSon F3-Q for " landscape" installation
  
  
• Collectors self-draining through "Four connection" technology
  
  
• 5 year warranty