Sime
Sime Heat Exchanger 6278917
Heat exchanger for Sime Murelle HE 50 R M MET boilers, part number 6278917.
At a glance
- Appliance family: Murelle HE 50 R M MET
- Also known as 8921884
Showing prices
£863.18
£719.32 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Sime 6278917 is a heat exchanger for the Sime Murelle HE 50 R M MET boiler. It transfers heat from the combustion circuit into the appliance's water circuit. It is a service component intended for fitment to this specific Sime model.
Signs this part needs replacing
- Water weeping, dripping or staining around the heat exchanger body or its connections
- Repeated boiler lockouts or overheating faults
- Kettling, banging or rumbling noises during operation
- Reduced heating or hot water output
- Discoloured system water or metallic debris circulating in the system
Before you order
- Confirm the appliance is a Sime Murelle HE 50 R M MET.
- Check the part number 6278917 against the manufacturer's parts list for your appliance.
- Inspect the condition of associated seals and connections before fitting.
Compliance
| Alternative numbers | 8921884 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME MURELLE HE 50 R M MET - 8111201 | — | — | — | |
| SIME SIME MURELLE HE 50 R M MET | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.