20 Spline, 1/2 Inch, 51mm Tap Cartridge, Anti-Clockwise Open - 4665R3
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Summary
20 Spline, 1/2 Inch, 51mm Tap Cartridge, Anti-Clockwise Open - 4665R3
20 Spline 1/2 Inch 51mm Tap Cartridge Anti-Clockwise Open 4665R3 is a replacement ceramic tap cartridge for taps requiring a 20-spline 1/2 inch 51mm cartridge with anti-clockwise opening operation.
This cartridge controls the opening and closing of the water flow through the tap body. It is intended for matching by cartridge dimensions, spline count and operating direction before ordering, rather than by a named tap model.
Technical Details
| Part Number | 4665R3 |
|---|---|
| Cartridge type | ceramic tap cartridge / tap headwork |
| Spline count | 20 spline |
| Thread size | 1/2 inch |
| Height | 51mm |
| Opening direction | anti-clockwise open |
| Main visible construction | brass body with splined brass stem, O-ring and lower seal |
Before Ordering
Check the removed cartridge against the spline count, 1/2 inch fitting size, 51mm height and anti-clockwise open operation. Do not order from size alone if the original cartridge has a different spline count, height, thread style or operating direction.
Common Faults This Part Can Help Resolve
- Symptom: tap continues to drip or pass water when turned off
- Likely Cause: worn ceramic discs or sealing surfaces inside the cartridge
- Solution: replace the cartridge once dimensions, spline count and opening direction have been checked against the original part
- Symptom: tap handle feels stiff or inconsistent when turned
- Likely Cause: worn cartridge internals or seals
- Solution: fit the correct replacement cartridge and apply suitable silicone grease to the O-ring and seal areas during installation
Related Spares You May Need
Fast delivery
- UK delivery: £5.95 incl. VAT for this small packet item.
- For all in-stock spare parts the typical UK delivery timescale is 2-5 working days.
- If you need a part urgently then we can provide a next-day (delivered Mon-Fri) UK delivery service for all in-stock small parcels ordered before 3.00pm, Monday - Friday.
- Next day delivery is available to select at an additional charge during the checkout.
- Worldwide delivery available — see our delivery page for details.
Returns
- 14 days 'risk-free' returns.
- Start a return within 14 days of receiving your order by calling 0121 705 0866 or using our contact page.
- Full returns information is available in our terms and conditions.
Payment methods
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- American Express: available via PayPal guest checkout only
- BACS bank transfer
- Cheque: dispatch takes place once payment has cleared
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