Bristan BLH46 Shower Bath Diverter for Cadet Valves
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Summary
Bristan BLH46 Shower Bath Diverter for Cadet Valves.
The Bristan BLH46 is a shower bath diverter mechanism for the Bristan CAD BSM C Cadet bath shower mixer. It is the internal diverter part used to switch the mixer outlet between bath fill and shower operation when used with the matching diverter knob.
The diverter is operated by lifting the diverter control to send water to the shower handset and pushing it back down to return flow to the bath spout. Replacement may be required where the original diverter is worn, damaged, stiff to operate or no longer switching cleanly between outlets.
Technical Details
| Part Number | BLH46 |
|---|---|
| Total height | 53.2mm |
| Diameter at screw-in thread | 21.7mm |
| Diameter at bottom O-ring | 15mm |
| Diameter at middle O-ring | 18.8mm |
| Diameter at widest point | 23.8mm |
| Diameter of top thread | 3.7mm |
Confirmed Compatible Models
Before You Order
Check the existing diverter against the measurements above and confirm the bath shower mixer is the Bristan CAD BSM C Cadet model before ordering. The Cadet bath shower mixer uses deck-mounted 3/4 inch BSP inlets and a G 1/2 inch outlet with separate hot and cold tap controls.
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Troubleshooting
- Symptom: Water does not switch to the shower handset. Likely Cause: Diverter not fully lifting or internal diverter wear. Solution: Check the diverter knob operation and inspect the BLH46 diverter mechanism.
- Symptom: Water flow is irregular when switching outlets. Likely Cause: Worn diverter seals or debris around the diverter body. Solution: Isolate the water supply remove and inspect the diverter and replace if worn.
- Symptom: Water continues dripping from the shower handset or spout when the mixer is turned off. Likely Cause: Tap valve cartridges may not be fully shutting off. Solution: Check the hot and cold valve cartridges as well as the diverter assembly.
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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