Will fit: VAILLANT ECOMAX VUW 824 E BOILER. VAILLANT ECOMAX VUW 824/2 E BOILER. VAILLANT ECOMAX VUW 828 E BOILER. VAILLANT ECOMAX VUW 828/2 E BOILER. VAILLANT ECOMAX VUW 835 E BOILER. Useful Link. Products will not be covered if misused or not serviced as per maintenance instructions.
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