Changer vase d’expansion pompe a chaleur Changer vase d’expansion pompe a chaleur Source google image: https://3.bp.blogspot.com/-oWvF054wRqQ/UYoWqN7Zi8I/AAAAAAAACO0/DXlUW77aaIY/w1200-h630-p-k-no-nu/schema-installation-vase-expansion-sanitaire-elyotherm.jpg