Bristan 00650428 Diverter Cartridge for Prism, Quadrant and Qube Shower Valves (QT 5WDIV C 00650428)
Bristan 00650428 is a push-in ceramic diverter cartridge used in selected Bristan Prism Quadrant and Qube shower diverter valves. It operates as the internal selector cartridge that directs the mixed water supply between the available shower outlets.
A worn or damaged diverter cartridge can cause poor outlet selection, water passing to the wrong outlet or dripping from the shower outlet when the valve is turned off. Replacing the cartridge can restore positive switching between the valve outlets where the original 00650428 has failed.
Technical Details
- - Bristan part code: 00650428
- - Part type: 5 way shower diverter cartridge
- - Fitting type: push-in
- - Internal control: ceramic discs
- - Overall length: approximately 83mm
- - Cartridge body diameter: approximately 39mm
- - Brass spindle length: approximately 39mm
- - Spindle width: approximately 7.5mm
- - Cartridge colour: blue
Confirmed Compatible Models
- - Bristan PM 5WDIV C Prism 5 Way Diverter
- - Bristan QT 5WDIV C Quadrant 5 Way Diverter
- - Bristan QU 5WDIV C Qube 3 Outlet 5 Way Diverter - post-2008 version
Important Qube Version Check
For the Bristan QU 5WDIV C Qube 3 Outlet 5 Way Diverter, pre-2008 valves use CART 00620811 while post-2008 valves use 00650428. These are different cartridge designs, so check the valve age and original cartridge before ordering.
What to Check Before Ordering
- - Confirm the existing cartridge or valve code where possible
- - Check that the cartridge dimensions match the original part
- - Do not order by the Prism Quadrant or Qube range name alone because different valve generations and configurations use different diverter cartridges
- - Inspect the retaining nut and cartridge seals while the valve is dismantled
Installation Note
Isolate the hot and cold water supplies before dismantling the valve. Remove the control parts and retaining nut as required, withdraw the old cartridge and inspect the valve body for debris before installing the new cartridge. A small amount of suitable silicone grease can be applied to the cartridge O-rings to help protect the seals during installation.
Related Spares You May Need
- - Bristan 00515776 Cartridge Retaining Nut for QT 3WDIV C
- - TACSIL 3g WRAS Approved Silicone Grease for Tap & Shower Cartridges - for lubricating cartridge O-rings and seals during installation
If you are unsure which cartridge you need, use our part identification service and send us photos and dimensions.
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