The collector ALTER2504 is a meander type of collector which is manufactured by the highest quality raw material and in accordance to the European standards. It is characterized by its high efficiency and simple installation.
The collector is meander type and can be installed exclusively in forced circulation systems, of high demand, such as space heating or cooling and in big fields.
The frame of the collector is made of extruded aluminum profile, specially treated for extra protection against humidity and corrosion especially in coastal areas.
The absorber is constructed by copper and aluminum with special high sputtering selective surface. The absorber is welded by laser.
The collector is well insulated lateral by 20mm thickness rockwool and at the back by 40mm thickness rockwool. The density is at 50kg/m3
The transparent cover is special solar glass of 4mm thickness.
The collector can be installed on a flat roof, tiled roof and in-roof.
The collector has been tested in the most important laboratories in Europe and is certified by the Solar Keymark.
Overall area (m2)
Absorber area (m2)
Aperture area (m2)
Overall weight (kg)
Absorber's capacity (l)
Maximum working pressure
Heat transfer medium
Propylene glycol 1-2/water mixture
The collector ALTER2504 is available in many different variations and designs, maintaining the basic production and quality standards.
The collectors are available in RAL7038 (silver), RAL7016 (grey anthracite) and RAL9010 (white). Also any other colour on demand.
2. External design
The collectors are availbale in different external design, always at the same dimensions.
There are available 2 types of packaging, in order to cover the needs of our OEM customers.
Horizontal: Pallet of 1350Χ2050Χ1300(h) mm. In each pallet are packed 12 collectors. The packaging can afford until 4 pallets one on the other, optimizing the storing cost. In a TIR truck we can load 240 collectors, optimizing transportation cost.
Vettical: Pallets of 900Χ1300Χ2150(h) mm. In each pallet are placed 9 collectors. Due the compact packaging it is very easy the handling of the pallets. In a TIR truck can be loaded 225 collectors
In each OEM customer we can apply the technical labels, code and any other information which is required by the customer. Also we can apply an individual label with the desired logo.