Vokera
Vokera Flow Switch Rubber Diaphragm 4298
Rubber diaphragm for the flow switch on Vokera gas boilers, supplied under part number 4298.
At a glance
- Also known as 1531125
£7.88
£6.57 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vokera 4298 is a rubber diaphragm used in the flow switch assembly of Vokera gas boilers. It forms the flexible sensing element that responds to water movement through the flow switch body, allowing the boiler to detect demand. It is a serviceable component within the flow switch rather than a complete assembly.
Signs this part needs replacing
- The boiler fails to fire on a hot water or heating demand despite the pump running
- Flow switch does not operate when water passes through the assembly
- The diaphragm is split, perished, stretched or deformed on inspection
- Intermittent firing or repeated lockouts linked to flow detection
- Water weeping from the flow switch housing around the diaphragm
Before you order
- Confirm the boiler model against the fit list above, as the same part number covers several Vokera appliances
- Check whether the fault lies with the diaphragm or the wider flow switch assembly before ordering
- Isolate the water and electrical supply and confirm system pressure is released before dismantling the flow switch
- Inspect the housing and seating faces for damage or debris that could affect the new diaphragm
Compliance
| GC number | 333-723 |
|---|---|
| Alternative numbers | 1531125 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VOKERA 18/72 DMCF COMBI | 47-094-04 | 47-094-04 | — | — |
| VOKERA 18/72 MCF COMBI | — | — | — | |
| VOKERA 20/80 RS TURBO | 47-094-03 | 47-094-03 | — | — |
| VOKERA 21/84 DC TURBO | 47-094-26 | 47-094-26 | — | — |
| VOKERA VOKERA 20-80 RS TURBO | — | — | — | |
| VOKERA VOKERA 21-84 MCF (SEE 47-094-01) | — | — | — | |
| VOKERA VOKERA 21/84 MCF | — | — | — |
Documents & drawings
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