Source google image: https://cubefrance.fr/wp-content/uploads/2016/06/Schema-SSC-ECS-instantane-VMC-decharge-solaire.jpg
Panneau solaire vmc double flux
Source google image: https://cubefrance.fr/wp-content/uploads/2016/06/Schema-SSC-ECS-instantane-VMC-decharge-solaire.jpg