Water Filters & Softeners at Manufacturer Prices


Replacement O-ring set for Spectrum 717 pressure vessel

O-rings are treated as consumables for filters, they can distort and become hard over time making it difficult to reseal a filter. A periodic change is recommended when refilling vessels to avoid leaks.


£9.01 Including Tax

Before ordering double check the groove inner diameter on the lip of the sump  and o-ring thickness by measuring as per the photos and confirm size matches the product dimensions

97mm inner diameter, 3.5mm cross section

Always use silicone plumbers grease liberally when fitting


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