Vaillant Cylinder Tank CPL VIH CL 15 S 0020268966

The Vaillant cylinder tank CPL. VIH CL 15 S, part number 0020268966, is a complete module assembly used in the hot water cylinder arrangement of compatible Vaillant appliances. It forms part of the domestic hot water storage and delivery circuit on the models listed below. Vaillant supplies it as a complete module rather than as loose individual components.

• Water weeping or pooling around the cylinder tank or its connections
• Visible corrosion, pitting or heavy scale build-up on the tank body
• Reduced or inconsistent hot water output from the appliance
• Pressure loss in the hot water circuit that cannot be traced to another component
• Repeated fault codes or lockouts linked to the cylinder circuit

• Confirm your appliance model against the fit list above before ordering.
• Check that the part number 0020268966 matches the number on the existing component or on the manufacturer's parts list.
• Establish whether the complete module is required or whether the individual components within it are available separately.
• Where model names are similar, confirm the exact variant and build year of the appliance.