Will fit: VAILLANT TURBO MAX PLUS 824 824/2 BOILER. VAILLANT TURBO MAX PLUS 828 828/2 BOILER. VAILLANT TURBO MAX PLUS 837 E BOILER. Nagi House, Alperton Lane, Wembley, HA0 1DX. Products will not be covered if misused or not serviced as per maintenance instructions.
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