
Vokera
Vokera By-Pass Spring 8436
Vokera by-pass spring, part number 8436, suitable for Excell 80E, 80SP and 96E gas boilers.
At a glance
- Also known as 1530432
£2.39
£1.99 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 by-pass spring, part number 8436, is a small component used in the hydraulic section of Vokera Excell gas boilers. It sits within the boiler's by-pass assembly, which regulates water flow through the appliance as demand changes. It is a service part typically replaced during hydraulic repair work.
Signs this part needs replacing
- Boiler short-cycling or failing to hold a steady temperature
- Poor temperature control on hot water or heating
- Whistling, humming or vibration from the hydraulic section
- Overheating or lockout during low-demand operation
Before you order
- Confirm your boiler model against the fit list above.
- Identify whether your Excell boiler has old or new hydraulics, as the fit list distinguishes between these variants.
- Check the part number 8436 against the manufacturer's parts list for your appliance.
Compliance
| GC number | 301-341 |
|---|---|
| Alternative numbers | 1530432 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VOKERA EXCELL 80E (NEW HYDRAULICS) | 47-094-18 | 47-094-18 | — | — |
| VOKERA EXCELL 80SP (NEW HYDRAULICS) | 47-094-17 | 47-094-17 | — | — |
| VOKERA EXCELL 80SP (OLD HYDRAULICS) | 47-094-16 | 47-094-16 | — | — |
| VOKERA EXCELL 96E (NEW HYDRAULICS) | 47-094-19 | 47-094-19 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
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