Source google image: http://www.ecohabitation.com/sites/www.ecohabitation.com/files/imagecache/G12-Image-640/guide/fiches/figure-4-systeme-de-chauffage-a-boucle.png
Pompe chauffage eau chaude
Source google image: http://www.ecohabitation.com/sites/www.ecohabitation.com/files/imagecache/G12-Image-640/guide/fiches/figure-4-systeme-de-chauffage-a-boucle.png