Source google image: https://www.maisonbrico.com/images/conseils/coffret-specifique-pour-chauffe-eau-schema-branchement-547-p2.png
Schema electrique pour chauffage
Source google image: https://www.maisonbrico.com/images/conseils/coffret-specifique-pour-chauffe-eau-schema-branchement-547-p2.png