Vaillant Drain Point 0020236146

The Vaillant 0020236146 is a drain point supplied for use on Vaillant hot water cylinders. It provides a controlled point at which the cylinder can be drained down for servicing, maintenance or system work. The part is listed by the manufacturer under the VIH GB and Vantage VIH GB cylinder families.

• Water weeping or dripping from the drain point with the outlet closed
• Corrosion, scale build-up or staining around the drain point body
• The drain point will not open or close fully, or the operating part feels stiff or seized
• The cylinder cannot be drained down properly when the drain point is opened
• Water pooling at the base of the cylinder around the drain connection

• Confirm the model number on the cylinder data plate matches one of the appliances listed above
• Check the part number on the existing drain point against 0020236146
• Confirm the drain point is the component at fault rather than the connection or pipework around it
• Check whether any seals or washers at the connection are also required