Dornbracht 9023010450090 Back-Flow Preventer - 20mm Non Return Valve (NRV)
Send a photo of your item and we'll help confirm it.
Summary
Dornbracht 9023010450090 is a 20mm back-flow preventer and non-return valve for selected Dornbracht concealed thermostat and connection assemblies. The manufacturer code is 90 23 01 045 00 90.
This NRV helps prevent reverse flow through the valve assembly and should be checked when servicing concealed thermostat modules where the spare parts breakdown identifies 90 23 01 045 00 90. Do not select this part by diameter alone; match the exact part code against the removed component or the Dornbracht spare parts diagram for the valve.
Technical Details
| Part code | 9023010450090 | 90 23 01 045 00 90 |
|---|---|
| Part type | back-flow preventer / non-return valve / NRV |
| Di Vapor size wording | 20mm non-return valve |
| Supplier cross-check dimension | 20 x 18 mm |
| Function | helps prevent reverse water flow within the valve or connection assembly |
Confirmed Products and Systems
- Dornbracht xTOOL Concealed thermostat module 35 517 970
- Dornbracht xTOOL Concealed thermostat rough with three volume controls 35 549 970 product version up to 5/12/2021
- Dornbracht xTOOL Concealed thermostat module without volume control 35 503 970 90
- Dornbracht connection 28 486 979
Before You Order
- Check whether your Dornbracht breakdown lists 9023010450090 or 90 23 01 045 00 90 exactly
- Check the quantity required as some xTOOL thermostat modules use two back-flow preventers
- Do not confuse this part with 09230104590 / D-09230104590 which is a separate Di Vapor listing
- If the valve identity is uncertain compare the removed part and contact Di Vapor before ordering
Related Spares You May Need
- Dornbracht 9015020650090 XTool Thermostatic Cartridge and Temperature Handle Assembly
- Dornbracht 09230104590 Non Return Valve
- Dornbracht 0421340770090 Non Return Valve Holder
- Dornbracht 1217797090 28mm Extension Kit
- Dornbracht 1217897090 Extension 46mm
- Dornbracht 9090031430090 Flow Cartridge Assembly - Anti-Clockwise Open
- Dornbracht 9090031420090 Flow Cartridge Assembly - Clockwise Open
- Dornbracht 04173300801-00 Temperature Control Handle
- Dornbracht 04173300401-00 Temperature Control Handle Knob
- Dornbracht 04173300401-08 Platinum Finish Temperature Control Handle Knob
- Dornbracht 04173300401-06 Platinum Matte Control Handle
- Dornbracht 9016020270090 Spring for Button
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
We accept the following payment methods:
- Card payments: Visa, Mastercard, Maestro, Discover, JCB, Diners Club and EnRoute
- PayPal
- American Express: available via PayPal guest checkout only
- BACS bank transfer
- Cheque: dispatch takes place once payment has cleared
Security
We use industry-standard payment systems to help keep your payment information secure. Our website and payment processes are regularly checked to maintain PCI security standards.
- Secure SSL encryption
- Your personal and payment details are protected
- Regularly checked for PCI security standards
