

Selective-coated flat plate collector, Solar Keymark certified
Tell us your project requirements and we will reply with pricing and lead time.
Wunder ANSG sits between the ANP and ALS grades: it pairs a selective-coated aluminium absorber with normal-iron tempered glass, delivering most of the yield of the premium range at a more accessible price. The Almeco-Tinox type selective coating provides 95% absorptance with only 4% emittance, so the plate keeps absorbing solar gain instead of radiating it back out. Three sizes are offered: ANSG 1808, 2108 and 2510.
Thermal efficiency is 70% referred to gross area and 77% referred to absorber area. Gross areas are 1.79, 2.07 and 2.42 m², with absorber areas of 1.65, 1.93 and 2.27 m², empty weights of 24, 27 and 32 kg and absorber volumes of 1.0 to 1.3 litres. Eight to ten laser-welded copper risers of 8 mm feed an 18 mm manifold terminated in 3/4" unions.
A 50 mm glass wool blanket at 50 kg/m³ limits rear losses, 3.2 mm tempered glass protects the absorber, and the reinforced aluminium case with EPDM seals and couplings is built for UV exposure, wind load and thermal shock. Every model handles 10 bar and 130 °C at a 72 kg/h·m² design flow. ANSG is Solar Keymark certified under registration 011-7S2322 F and carries a ten-year warranty.
| Parameter | Wunder ANSG 1808 | Wunder ANSG 2108 | Wunder ANSG 2510 |
|---|---|---|---|
| Thermal efficiency Ag (%) | 70 | 70 | 70 |
| Thermal efficiency Aa (%) | 77 | 77 | 77 |
| Dimensions (mm) | 1927 × 927 × 90 | 1988 × 1041 × 90 | 1988 × 1218 × 90 |
| Gross area (m²) | 1.79 | 2.07 | 2.42 |
| Absorber area (m²) | 1.65 | 1.93 | 2.27 |
| Weight empty (kg) | 24 | 27 | 32 |
| Absorber volume (L) | 1 | 1.15 | 1.3 |
| Max working pressure (bar) | 10 | 10 | 10 |
| Max operating temp (°C) | 130 | 130 | 130 |
| Flow rate (kg/h·m²) | 72 | 72 | 72 |
| Absorber plate material | Selective coating aluminum | Selective coating aluminum | Selective coating aluminum |
| Absorptance (%) | 95 | 95 | 95 |
| Emittance (%) | 4 | 4 | 4 |
| Manifold pipe Ø (mm) | 18 | 18 | 18 |
| Absorber pipe Ø (mm) | 8 | 8 | 8 |
| Connection | 3/4" | 3/4" | 3/4" |
| Number of pipes | 8 | 9 | 10 |
| Glass material | Normal iron tempered glass | Normal iron tempered glass | Normal iron tempered glass |
| Glass thickness (mm) | 3.2 | 3.2 | 3.2 |
| Insulation material | Glass wool | Glass wool | Glass wool |
| Insulation thickness (mm) | 50 | 50 | 50 |
| Insulation density (kg/m³) | 50 | 50 | 50 |
Values are taken from the manufacturer's current catalogue and may change without notice. Please request the latest datasheet before final design.
One panel producing electricity and hot water together
View detailsSend us your heating load, hot-water demand or pool volume and our engineers will propose a matching heat pump, tank and collector configuration.