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Diverter Spare Parts

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  • Unless noted, all pricing shown below for externally visible parts is the Recommended Retail Price (RRP) for the Chrome Plate metal finish (this is the finish code: CP).
  • Please use the Finish Code drop-down menu on the individual product pages to view pricing for other metal finishes, such as brass, gold, copper and other colours.
  • The Finish Code drop-down menu on the product page provides you with the list of metal finishes that a particular product is available in.
  • The Finishes Guide tab on the product page is helpful for selecting the right metal finish.

How to Replace a Diverter Piston Valve Assembly

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This instruction process is written for cast diverter sets but the process is very similar for the 3 piece telephone diverter sets.

 1)   Turn off the hot and cold water supply to the diverter set.

 2)   Remove the diverter set by undoing the 2 x 20mm kinko nuts at the back and lifting the set off.

 3)   Unscrew the octagonal indicator button on the centre lever.

 4)   Remove the lever handle.

 5)   Remove the brass crank retaining nut using an adjustable wrench on the 2 flats and unscrewing it out of the diverter body.

 6)   Pull out the diverter crank with o-ring. We suggest the o-ring to be replaced if being removed.

 7)   The diverter piston can only be taken out via the outlet which has been Loctited in place. The best way to break the Loctite seal is to immerse the diverter set in hot water for 3 to 4 minutes. Then giving the duckbill outlet a sharp tap with a rubber mallet. The duckbill outlet unscrews in a clockwise direction (this direction is based on standing over the duckbill with the nose of the duckbill pointed to the ground, if you turn the diverter upside down with the outlet pointed up, the direction to unscrew is anti-clockwise).

 8)   With the outlet removed the diverter piston will fall out the bottom.

 9)   The new piston has a small square at one end and a larger square at the other end. The small square goes into the diverter body first and when the piston is pushed in all the way then the duckbill outlet can be re-screwed back on using Loctite No. 569 on the thread to seal the outlet in place. The outlet must be screwed all the way up or the diverter will not function correctly.

 10)   It is suggested that the diverter body and all parts be cleaned and lubricated with plumbers grease.

 11)   Proceed with installation of the crank with o-ring, crank retaining nut, handle, and button. Screwing the set back in a reverse procedure. Please note that the Octagonal Handle Retaining Button only needs to be lightly tightened as it is only there to prevent the external handle coming off the crank spline. It does not hold in any of the diverter internals.

 12)   Turn the water back on and check for leaks. Check that the diverter lever works ok.

Diverter Parts Diagram

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  1. Diverter Crank with O-Ring [Raw Brass]

    SKU: PA1628RB

    This item is suitable for our exposed cast diverters and 3 piece telephone diverters.

    This is an internal spare part so is only supplied in raw brass. Learn More
    Photo: PA1628RB - Diverter Crank with O-Ring [Raw Brass]
    This product has a photo.
    Ex GST: AUD $39.79 Inc GST: AUD $43.77
  2. O-Ring (BS210)

    SKU: PA1627

    This o-ring is for the diverter crank.

    Remember to grease the o-ring with plumbing grease when replaced. This type of grease should be available from your local plumbing supply store. Learn More
    Photo: PA1627 Diverter Crank O-Ring
    This product has a photo.
    Ex GST: AUD $4.19 Inc GST: AUD $4.61
  3. Diverter Crank Retaining Nut [Raw Brass]

    SKU: PA1629RB

    This item is suitable for our exposed cast diverters and 3 piece telephone diverters.

    This is an internal spare part so is only supplied in raw brass. Learn More
    Photo: PA1629RB - Diverter Crank Retaining Nut [Raw Brass]
    This product has a photo.
    Ex GST: AUD $27.05 Inc GST: AUD $29.76
  4. Diverter Piston Valve Assembly [Raw Brass]

    SKU: PA1631RB

    This item is suitable for our exposed cast diverters and 3 piece telephone diverters.

    This is an internal spare part so is only supplied in raw brass.

    The custom washers for this item are not sold separately as the units are pre-assembled by CB to ensure a good seal. Learn More
    Photo: PA1631RB - Diverter Piston Valve Assembly [Raw Brass]
    This product has a photo.
    Ex GST: AUD $53.47 Inc GST: AUD $58.82
  5. Diverter Octagonal Handle Retaining Button with Legacy Indicator

    SKU: PA1630
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    Please note that this nut only needs to be lightly tightened as it is only there to prevent the external handle coming off the crank spline. It does not hold in any of the diverter internals.

    Any damage caused to the button during reassembly after servicing by over-tightening is not covered by warranty. Learn More
    Photo: PA1630 in Chrome Plate (CP) finish with standard indicator
    This product has a photo.
    Ex GST: AUD $28.00 Inc GST: AUD $30.80
  6. Diverter Octagonal Handle Retaining Button with Engraved Indicator

    SKU: PA1638
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    Please note that this nut only needs to be lightly tightened as it is only there to prevent the external handle coming off the crank spline. It does not hold in any of the diverter internals.

    Any damage caused to the button during reassembly after servicing by over-tightening is not covered by warranty. Learn More
    Photo: PA1638 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $38.00 Inc GST: AUD $41.80
  7. Diverter Lever Handle

    SKU: PA1634
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This code is for the Diverter Lever Handle only, it is a spare lever handle part for our exposed cast diverters and 3 piece (458) diverter.

    This item is not a diverter in it's own right.

    Please note this does not include the retaining button component. Learn More
    Photo: PA1634 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $59.62 Inc GST: AUD $65.58
  8. Cradle Only for Diverter

    SKU: SA7680
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This code is for the Diverter Cradle only.

    This component includes the back flow prevention devices. Learn More
    Photo: SA7680 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $179.10 Inc GST: AUD $197.01
  9. Short Flanged Extension Only for 3 Piece Diverter Outlet (8458 Sets)

    SKU: SA8451
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This piece replaces the standard backing flange for the 8458 diverter to provide greater reach.

    Only 1 extension piece is required for this diverter type and a table is below to help select the correct option:

    ExtensionPart LengthAdded ReachPart SKU
    Standard:25mmN/AN/A
    Short:55mm30mmSA8451
    Medium:105mm80mmSA8452
    Long:155mm130mmSA8453

    Inlet = 1/2" BSP female.
    Outlet = female thread to suit 8458 diverter body. Learn More
    Photo: SA8451 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $98.58 Inc GST: AUD $108.44
  10. Medium Flanged Extension Only for 3 Piece Diverter Outlet (8458 Sets)

    SKU: SA8452
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This piece replaces the standard backing flange for the 8458 diverter to provide greater reach.

    Only 1 extension piece is required for this diverter type and a table is below to help select the correct option:

    ExtensionPart LengthAdded ReachPart SKU
    Standard:25mmN/AN/A
    Short:55mm30mmSA8451
    Medium:105mm80mmSA8452
    Long:155mm130mmSA8453

    Inlet = 1/2" BSP female.
    Outlet = female thread to suit 8458 diverter body. Learn More
    Photo: SA8452 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $118.28 Inc GST: AUD $130.11
  11. Long Flanged Extension Only for 3 Piece Diverter Outlet (8458 Sets)

    SKU: SA8453
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This piece replaces the standard backing flange for the 8458 diverter to provide greater reach.

    Only 1 extension piece is required for this diverter type and a table is below to help select the correct option:

    ExtensionPart LengthAdded ReachPart SKU
    Standard:25mmN/AN/A
    Short:55mm30mmSA8451
    Medium:105mm80mmSA8452
    Long:155mm130mmSA8453

    Inlet = 1/2" BSP female.
    Outlet = female thread to suit 8458 diverter body. Learn More
    Photo: SA8453 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $138.02 Inc GST: AUD $151.82
  12. 50mm Male & Female Diverter Extension Only

    SKU: SA7901
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This is an each code. It is not pair.

    Cast Diverters will need 2 of these extension pieces.

    This code will supply a Female - Female extension with Male running nipple supplied for use if required (making it M & F). This feature also makes it helpful for converting the wall inlets from 1/2" BSP male to 1/2" BSP female where needed for installing certain diverter sets.

    Please note that if pairing this extension with certain exposed shower sets you may need custom taller pillar support clips for the riser tube. Please contact CB if required for pricing and availability. This usually will affect 9482 and 9483 bath/shower sets. Learn More
    Photo: SA7901 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $63.09 Inc GST: AUD $69.40
  13. 100mm Male & Female Diverter Extension Only

    SKU: SA7905
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This is an each code. It is not pair.

    Cast Diverters will need 2 of these extension pieces.

    This code will supply a Female - Female extension with Male running nipple supplied for use if required (making it M & F). This feature also makes it helpful for converting the wall inlets from 1/2" BSP male to 1/2" BSP female where needed for installing certain diverter sets.

    Please note that if pairing this extension with certain exposed shower sets you may need custom taller pillar support clips for the riser tube. Please contact CB if required for pricing and availability. This usually will affect 9482 and 9483 bath/shower sets. Learn More
    Photo: SA7905 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $78.87 Inc GST: AUD $86.76
  14. 150mm Male & Female Diverter Extension Only

    SKU: SA7906
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This is an each code. It is not pair.

    Cast Diverters will need 2 of these extension pieces.

    This code will supply a Female - Female extension with Male running nipple supplied for use if required (making it M & F). This feature also makes it helpful for converting the wall inlets from 1/2" BSP male to 1/2" BSP female where needed for installing certain diverter sets.

    Please note that if pairing this extension with certain exposed shower sets you may need custom taller pillar support clips for the riser tube. Please contact CB if required for pricing and availability. This usually will affect 9482 and 9483 bath/shower sets. Learn More
    Photo: SA7906 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $94.64 Inc GST: AUD $104.10
  15. Diverter Wobble Joint

    SKU: SA7931
    Metal Finish Info Icon Use the Finish Code drop-down menu on the product page to calculate the price in various metal finishes.


    This is an each code. It is not pair.

    Cast Diverters will need 2 wobble joints. Learn More
    Photo: SA7931 in Chrome Plate (CP) finish
    This product has a photo.
    Ex GST: AUD $134.08 Inc GST: AUD $147.49

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