most modern and popular solar thermal solution
high quality and comfort of usage
up to 70% savings on heating
100% stainless steel
10 years guarantee
compliance with EU Directive 97/23/EC concerning pressure vessels


The BREGUS ARI water tank is the most modern and popular solar thermal solution currently available on the market. The use of advanced technology (100% stainless steel) places it at the forefront of applications requiring high performance and efficiency.

The ARI model has gained recognition especially among users who value high quality and comfort. It is currently one of the most widespread solar solutions.


Compliance with EU Directive 97/23/EC concerning pressure vessels.



Net weight 
Gross weight
Dimensions of the packaging

ARI 200L
50 kg
55 kg
 Φ 560 x 1325 mm
630 x 630 x 1440 mm

ARI 250L
52 kg
57 kg
 Φ 560 x 1505 mm
630 x 630 x 1570 mm

ARI 300L
58 kg
63 kg
 Φ 600 x 1559 mm
670 x 670 x 1630 mm



High quality stainless steel – thickness – 2mm – welded in argon
The outer casing is made from galvanized spray-painted sheet
Polyurethane foam with thickness of 45-50mm
2 coils, each 10m (total length 20m)
The diameter of the coil is 22mm
coils made from high quality stainless steel
coils made from a corrugated pipe to increase the heat transfer surface
Heat exchanger of 2m2 surface
Immersion heater 3kW/230V (standard)
Built-in thermometer (standard)
Recirculation in the water tank
Magnesium anode (standard)
  • Bregus Pump 25/60 Low Energy (raising up to 6m H2O): All components are made of brass largest brass air separator available on the market flow indicator 2-12 l/min (standard) or 8-28 l/min or 8-38 l/min. with pressure valve, flow and return ball valves three-way non-return valve (10 mbar) with man. closing option (blue) non-return valve (10 mbar) red 6 bar safety valve with pressure gauge 63 mm insulated foamed polypropylene casing (250x380x190mm)
  • BREGUS KELEA – THE ONLY TANK IN AN AVANT-GARDE STYLING The tank is the most modern innovation in solar engineering. It was designed to be user-friendly. The modern shape conceals a factory-manufactured tank.  This design significantly shortens the installation time. The installation requires only plugging the tank, consolidated by the manufacturer, with a solar collector, a W.U.W installation and a second source of heat. The Bregus tanks are made from 100% stainless steel.