Potterton Novus Washer 20W 670174

This genuine replacement washer is designed for Novus 11x6 20W valve assemblies used in compatible heating and hot water systems. It supports reliable operation by providing essential connection seals and components to help maintain efficient performance. The part is described as a genuine, brand-new item that fits a range of Novus 20W configurations, helping to protect system integrity through correctly fitted gaskets, washers and O-rings.

The supplied components are used to connect pipework within the central heating system and to seal critical interfaces. They can be involved in connections across heat exchangers and other related parts, where effective sealing helps prevent gas or water leaks and supports long-term durability. The part is presented as a genuine product with a manufacturer guarantee.

Features

• 11x6 size
• Novus 20W designation
• Genuine replacement part
• Includes gaskets, washers, and O-rings
• Connects pipework in central heating
• Suitable for Suprima/Puma models