The Worcester Bosch 87101030430 Fibre Washer – 23.9x17.2x1.5 (10 Pack) is a genuine replacement washer set designed to provide reliable sealing at critical pipe and component joints within compatible Worcester Bosch boilers. Made from high-quality fibre material, these washers help create secure, leak-resistant connections where precise compression is required, supporting stable water flow and pressure under normal operating conditions. Supplied in a convenient pack of 10, this washer set is ideal for routine servicing, maintenance, or repair work where multiple seals may need replacing.

Compatibility for the 87101030430 fibre washer pack includes Worcester Bosch Ri, Junior, and CDi series boilers that utilise this specific size and specification of washer. Always check your boiler model and part requirements before fitting to ensure correct match and performance.

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