Vernet Thermostatic Cartridge CA43T-T - Polymer Housing Brass Spline
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Summary
Vernet Thermostatic Cartridge CA43T-T - Polymer Housing Brass Spline
Vernet CA43T-T thermostatic cartridge with polymer housing and brass spline for thermostatic shower mixer valve temperature control applications. The Di Vapor Part Number for this cartridge is CA43-T.
This CA43 cartridge is a single temperature regulation unit designed to help control and stabilise the mixed water temperature in a thermostatic valve. It is part of the Vernet CA43 cartridge family and is identified by its high thermoplastic polymer construction and brass spline connection.
Technical Details
| Brand | Vernet |
|---|---|
| Product code shown in title | CA43T-T |
| Di Vapor Part Number | CA43-T |
| Part type | thermostatic cartridge |
| Housing | polymer |
| Spline | brass |
| Regulation range | 15°C to 60°C |
| Maximum accuracy range | 34°C to 42°C |
| CA43 family feature | anti-scald temperature regulation function |
Before You Order
Check the code, housing shape, spline style and overall cartridge layout against the cartridge already removed from the valve before ordering. Do not order from CA43 family appearance alone where the valve model or exact cartridge code is uncertain.
Common Fault Symptoms
- Symptom: shower temperature is difficult to control
- Likely Cause: thermostatic cartridge wear, scale build-up or internal regulation failure
- Solution: replace the cartridge after confirming the removed cartridge matches CA43T-T / CA43-T
- Symptom: shower runs too hot or too cold despite handle adjustment
- Likely Cause: thermostatic regulation is no longer responding correctly
- Solution: inspect the cartridge and valve body, clean the valve bore and fit the correct replacement cartridge if the part matches
Installation Note
When fitting a thermostatic cartridge, clean the valve body and pipework area before installation. Apply a suitable silicone grease to the cartridge O-rings only where lubrication is needed, and avoid forcing the cartridge if the housing, spline or seals do not align correctly.
Related Spares You May Need
- TACSIL 3g Premium Cartridge Silicone Grease - WRAS Approved
- Stop Ring for CA43 Thermostatic Cartridges
If the valve model, original cartridge code or spline arrangement is unclear, use the Di Vapor Find a Part service before ordering.
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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- Cheque: dispatch takes place once payment has cleared
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