Trevi A960589NU RV-Unit Hot 3/4 Inch Non-Return Valve (Ideal Standard A950596)
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Summary
Trevi A960589NU hot 3/4 inch non-return valve for Ideal Standard concealed thermostatic shower valves A950596. This replacement hot-side non-return valve is used in compatible built-in shower valve assemblies to maintain correct one-way water flow and help prevent reverse flow within the valve body.
What This Part Does
A non-return valve allows water to pass in one direction only. Within a thermostatic shower valve it helps keep the hot and cold supplies separated correctly inside the valve body, supporting stable temperature control and correct internal valve performance.
Technical Information
| Part number | A960589NU |
|---|---|
| Cross reference | A950596 |
| Type | hot non-return valve |
| Size | 3/4 inch |
| Application | concealed thermostatic shower valve |
Common Symptoms of Failure
- Unstable shower temperature
- Internal water cross-over between hot and cold supplies
- Poor thermostatic performance
- Reverse flow within the valve body
Confirmed Compatible Models
- Trevi TT Built-In Shower Valve A3969NU
- Trevi A4788NU Built-In Thermostatic Shower Valve with 2 Way Diverter
- Ideal Standard A5601AA Oposta Thermostatic Shower Built-In 3 Control 2 Outlet
- Ideal Standard A5602AA Oposta Thermostatic Shower Built-In 3 Control 3 Outlet
- Ideal Standard A5595AA Oposta TT Valve with 2 Outlet Diverter
- Ideal Standard Trevi A5700AA Boost Shower Mixer Built-In Chrome Kit
Important Notes
- This listing is for the hot non-return valve only
- Always match the full part number A960589NU before ordering
- Check your original part carefully against the product images and valve model where possible before purchase
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.
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