The Worcester Bosch 87101030450 Fibre Washer – 18.6x13.5x1.5 (10 Pack) is a genuine replacement sealing washer set engineered to ensure secure, leak-free connections in compatible Worcester Bosch boilers. Made from high-quality fibre material, these washers provide reliable sealing between joints and components where precise compression is needed to prevent water or gas leaks under normal operating conditions. Supplied in a pack of 10, this set is ideal for servicing, maintenance, or repair work where multiple seals may need replacing.

Compatibility for the 87101030450 fibre washer pack includes Worcester Bosch Junior, Si, and CDi series boilers that utilise this specific size and specification of washer. Always verify your boiler model and parts requirements before fitting to ensure correct match and performance.

Using genuine Worcester Bosch fibre washers helps maintain the integrity of connections within the boiler, supports efficient system operation, and contributes to the long-term reliability and performance of your central heating and hot water system.