Heaters with a diameter of only 36cm, ideal for small bathrooms


20-30-40 liters

30-40 liters

50-60 liters

80 liters

80 liters

Key advantages

Slim - diameter only 36 cm
Slim storage water heater was designed especially for places with limited space. Thanks to reducing the width to 36cm only, it occupies much less space than traditional storage water heaters.

Enamelling technology
Company Kospel launched Poland's first fully automated system for powder enamelling tanks. Tanks are made of high quality steel are secured over the entire surface evenly applied layer of enamel with optimal thickness.

ECO driver
Temperature range from 0-77ºC, antifreeze mode 7ºC and AUTO mode. AUTO mode allows to set working time and water temperature according to user's individual needs using a smartphone. It provides the most economical use of our device.

Energy efficiency

Product code Rated power / Rated voltage ERP energy class
OSV-20 SLIM 2 kW / 230V
OSV-30 SLIM 2 kW / 230V
OSV-40 SLIM 2 kW / 230V
OSV-50 SLIM 2 kW / 230V
OSV-60 SLIM 2 kW / 230V
OSV-80 SLIM 2 kW / 230V