Solar Thermal Package Solfex FK 250P 1P On-roof-A-Frame

£1,580.37 excl. VAT

Panels Specification
1 Suitable for 1-2 bedroom house with 1-3 occupants, appropriate for use 180-210 cylinder.
2 Suitable for 2-3 bedroom house with 3-4 occupants, appropriate for use 250-300 cylinder.
3 Suitable for 4-5 bedroom house with 4-5 occupants, appropriate for use 300-400 cylinder.

1.88m2 Portrait aperture area per panel. Flat plate solar thermal pack suitable for flat roof or ground mount. SE-SW facing.

Pack contains

  • Collectors
  • Mountings
  • Pumpstation
  • Controller
  • Overvoltage box
  • Expansion vessel & connection kit
  • Transfer fluid
  • Thermostatic mixing valve
  • Catchment container



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Solar Thermal Package Solfex FK 250P 1P On-roof-A-Frame

If you have any technical queries about this product or wish to report any issues with the information on this page then please use the Contact Form to contact us.


Collector Areas: Gross 2.02M²
Aperture: 1.88M²
Absorber: 1.86M²
External Dimensions (HxWxD): 1728 x 1168 x 83mm
Weight (empty): 29kg
Absorber: Full surface area aluminium – highly selective coating Serpentine (Meander) Fully flooded / Drainback possibility
Insulation: 50mm Mineral Wool / thermal conductivity 0.034 w/(mk)
Cover: 3.2mm solar safety float glass
Sealing material: Silicone & EPDM
Connections: 4 x Rapid fit push fit connections 3/4” m flat sealing.
Max operation pressure: 10 bar
Mechanical load test: 3000 Pascal
Stagnation temperature: 158°c max
Conversion factor: ƞₒ : 0.812 ƞ : 81.2%
a1: 3.806 W/m²K
a2: 0.012 W/m²K²
Incidence angle: Kθ: 0.93.3 at 50°
Absorption: α : 95%
Emission: ε : 5%
Allowed transfer fluid: Tyfocor LS
Certifications: Solar keymark, no – 011-7S2014 F
Collector warranty: 10 yr, SOLFEX energy systems terms & conditions apply which are available upon request, Collectors and systems must be installed according to the planning, installation, maintenance and operating guide & registered on the SOLFEX energy systems website within 28 days of such installation being commissioned.


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Established in 2006 by the current management team, SOLFEX energy systems is one of the original & largest specialist distributors in the UK of high quality renewable energy systems, specifically focusing on solar thermal and photovoltaic power products, Air Source Heat Pumps & Underfloor heating systems.

The company origins are founded on supplying the solar thermal sector with its exclusive ‘own branded’ solar thermal equipment supplied by Europe’s leading manufacturers.

In 2009, the company broadened its renewables offering with the setup of a sales division focussed on the supply of photovoltaic equipment.  The decision to set up a new photovoltaic division prior to the introduction of the Feed in Tariff (“FIT”) in 2010 proved to be a wise move; in 2010 SOLFEX energy systems relocated to a new larger distribution facility to accommodate increased stock holding and the considerable sales growth being achieved.

In January 2013, SOLFEX Energy systems was acquired by the Travis Perkins Group, one of the UK’s leading companies in the builders’ merchant and home improvement markets. They operate 16 businesses from more than 1,800 sites across the UK and Ireland. Join our ZEROhomebills Community.

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Additional information

Weight 150 kg
Product Category

SOLAR THERMAL, Hot Water Kits, Solar Thermal Kits and Packages



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