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Vase d'expansion fermé à membrane 22 litres REGULATION Sentinel X400 se dose à Sentinel X400 se dose à 1% du volume d’eau de l’installation Référence fabricant : 0020082651 Saunier Duval Doté d’une vessie interchangeable en EPDM Le vase d’expansion 22VR12 est conçu pour absorber les variations de volume d’eau dans les installations de chauffage en circuit fermé
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