Source google image: https://cdn.manomano.fr/vmc-double-flux-arko-st-603044-unelvent-garantie-3-ans-P-338-37701_1.jpg
Schema electrique vmc double flux unelvent
Source google image: https://cdn.manomano.fr/vmc-double-flux-arko-st-603044-unelvent-garantie-3-ans-P-338-37701_1.jpg