Enquiry Form
 Underfloor Heating
 Heat Pumps

FK 500 P / FK 500 L

FK 500 P / FK 500 L

Next generation versatile frame collector

SOLFEX energy systems new and exclusive FK 500 flat plate collector series encompasses the latest patented technologies along with industry know how.

The FK 500 black anodised frame collector is available in portrait or landscape versions and is modular in design and can be mounted in many variants including on roof parallel or raised and can also be roof integrated with an attractive anthracite flashing kit which fits any roof fabric profile.

The FK 500 also incorporates the new and exclusive Rapid Fit® hydraulic connection system; this new patented design enables installer's rapid installation once the support frame is mounted because no tools are required on the roof when mounting collectors in series or connecting flow or return pipe work.

FK 500 Product Benefits

Premium Black Anodised AI frame collector with unique design, available in portrait and landscape.

4 Rapid Fit® push fit connectors integrated into the frame and protected for transport.

 Self-emptying meander absorber with excellent stagnation performance.

Installation from 15º to 75º possible as well as 90º for façade installation.

Reduced installation time thanks to Rapid Fit® hydraulic push fit connectors, no tools necessary.

Versatile collector with many variable mounting possibilities, on-roof parallel, raised, façade & roof integration using an anthracite flashing kit which fits any roofing profile.

Product exclusive and Solfex Energy Systems customers.

Collector and mountings statically calculated in accordance with applicable standard EN 1991.

Solar Keymark certificate and 10 years warranty.


FK 500 P / FK 500 L

SeriesFK 500 PFK 500 L
0.010 0.017
3.762 3.295
Absorber area [m²] 2.34 2.34
Absorber capacity [l] 1.4 1.4
Aperture area [m²] 2.35 2.35
Collector Field Piping / Max single row 10 pcs 8 pcs
Collector type Frame collector Frame collector
Conversion factor η◦: 0.812 η: 81.2% 0.811 η: 81.1%
H x W x D [mm] 2148 x 1175 x 83 1168 x 2148 x 83
Overall area [m²] 2.51 2.51
Weight [kg] 36 36
Absorber sheetMeander, AI, Highly selectively coated
Absorption [%]95
Approved installation anglemin. 15º, max. 75º / Façade 90º
Ø manifold [mm]18
Ø risers [mm]8
Back plateAI-sheet
Connections4 x push fit connector
Emission [%]5
Glass3.2 mm tempered solar safety glass float/ matt prismatic
Heat transfer mediumTyfocor® LS
HousingBlack Anodised Aluminium Frame
Insulation50 mm mineral wool plate
Max. operating pressure10 bar
Max. stagnation temperature203 ºC under test conditions
Recommended Flow Rate30l/m²h - up to max collector area 25M²
Solar Keymark No.011-7S2014 F
Transmittance of glass [%]91
You can navigate above
between our 4 divisions.