Please note that we cannot accept orders for delivery outside the UK or Ireland

Delivery charges UK Delivery is  by  Royal Mail 1st Class Post  the charge is £3.75

VAT We are not VAT registered so our prices are as shown on the various pages.

Payment  We can only accept payment on-line via PayPal. If you do not have an account,you can use a credit or debit card on the PayPal site.

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Supplier of seals for leaking pumps, filters and multiport valves.

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Pentair Rainbow Chlorinator O-rings

The Chlorinator should use a Viton rubber O-ring. This is much more expensive than the standard NBR rubber O-ring. The Viton O-ring should last much longer than the NBR version.

We offer both versions

Part number 2 on all illustrations

Rainbow Viton O-ring

Rainbow NBR  O-ring



Save £1.50 and get two NBR Lid O-rings for £8.00

Pair of Rainbow NBR O-rings


Whichever rubber quality you choose, the O-ring should be smeared with silicone grease to increase its life.

7ml Silicone Grease