System for heating the pool water through solar action.It allows to increase the temperature of your pool by the action of the sun.The heaters can be connected together.Increases water temperature 3°C in pools between 7.5m³ and 10m³.Features:- Water heating system of the pool using solar energy.- Increase the water temperature by 3°C in pools between 7.5 and 10 m³.- Its hemispheric design and retractable skin allows installing the heater with inclination and optimal position.- A solar heater is recommended for every 10 m³ of pool volume.- Allows installing several units in series for large volume pools.- Placed between the filter and the return nozzle by means of two hoses.- Needs a 2,000 l/h pump at least.- Uses hoses with 32 mm or 38 mm diameter hoses (not included).- Solar pool water heating system.Each solar heater increases the temperature of the swimming pool by 3ªC due to solar action Specifications:- Dimension:59 x 59 x 29 cm.- Solar heating system.- Measure Ø 57 cm x 25 cm.- Weight 4,460 Kg.