PrimaPack Fibre Washer 1/2" - Pack of 6 Essential sealing component for 1/2" compression fittings and valve connections. These fibre washers provide reliable, long-lasting performance in heating systems and boiler installations. Constructed from durable fibre material, they resist degradation from thermal cycling and maintain effective seals under pressure. Ideal for both new installations and maintenance work. Pack of 6 ensures you have spares on hand for multiple applications or future repairs. Compatible with standard 1/2" BSP connections commonly found in UK boiler systems.
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