Crosswater IBNRV Non-Return Valve for Old Style Red Button Recessed Thermostatic Shower Valves
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Summary
Crosswater WL1000RC IBNRV Non-Return Valve NRV
Sold individually. Photo for information purposes only.
Crosswater IBNRV is a non-return valve used in older Crosswater recessed thermostatic shower valves with the red override button. It is fitted within the valve assembly to allow one-way flow and help prevent backflow through the valve body.
Supplied as a single valve this part belongs to the old style recessed Crosswater valve family used before the later internal revisions. Replacing a worn non-return valve can help restore proper one-way water control where the original valve has become worn blocked or is no longer sealing correctly.
Technical Details
| Part code | IBNRV |
|---|---|
| Part type | non-return valve / NRV |
| Application | old style red button recessed thermostatic shower valve |
| Supplied as | single valve |
| Total length | 49mm |
| Diameter at widest point | 30mm |
| Top spline diameter | 7.8mm |
| Barrel diameter | approximately 25.3mm |
| Diameter of bottom O ring | approximately 26.7mm |
| Lower thread | 27.8mm |
| Spanner size needed | 19mm |
Before you order check
- You are ordering Crosswater IBNRV exactly
- Your shower valve is from the older red button recessed range rather than a later version with different internal parts
- The existing non-return valve matches the measurements shown above
- This item is sold individually, so if both sides need replacing you will need to order two
Confirmed Compatible Models
- Crosswater 2000 Thermostatic Shower Valve - Pre-2007
- Crosswater WL1000RC Thermostatic Shower Valve
- Crosswater WL1500RC Thermostatic Shower Valve
- Crosswater WL2000RC Thermostatic Shower Valve
- Crosswater WL2001RC Thermostatic Shower Valve
- Crosswater WL3000RC Thermostatic Shower Valve
Related Spares You May Need
- Crosswater AQ9026 Thermostatic Cartridge Temperature Stop Ring
- AQ8083 Crosswater 3/4 Inch Flow Cartridge with Long Spindle for Crosswater Parent 3 Shower Valves
- Thermostatic Cartridge for Crosswater CP0000250 | GP0000250
- Crosswater CP0000250 Handle Base
- Crosswater T5T346C Chrome Collar for Thermostatic Cartridge
- TACSIL 3g Premium Cartridge Silicone Grease - WRAS Approved
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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