Will fit: Vaillant Ecomax VUW 824 Boiler. Will fit: Vaillant Ecomax VUW 824/2 Boiler. Vaillant Ecomax VUW 828 E Boiler. Vaillant Ecomax VUW 828/2 Boiler. Vaillant Ecomax VUW 835 E Boiler. Fans: Fan coils and motors failing due to boiler overheating will not be covered under warranty.
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