Source google image: https://mktg.factosoft.com/consoglobe/image-upload/img/dessin%20chauffe-eau%20solaire%20helioseTTT.jpg
Schema fonctionnement chauffe eau electrique
Source google image: https://mktg.factosoft.com/consoglobe/image-upload/img/dessin%20chauffe-eau%20solaire%20helioseTTT.jpg