Sime
Sime Divertor Valve 6281505
Divertor valve for Sime Ecomfort, Format, Murelle and Economy boilers, part number 6281505, superseding 6281504.
At a glance
- Also known as DIVERTER-VALVE, N8003-1
£180.92
£150.77 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 Sime divertor valve, part number 6281505, is a hydraulic valve fitted to Sime boilers to switch the flow of primary water between domestic hot water and central heating. It supersedes part number 6281504. The valve is used across the Sime Ecomfort, Economy, Format and Murelle appliance families.
Signs this part needs replacing
- No hot water while the central heating continues to run
- Domestic hot water temperature fluctuating or running cold
- Radiators heating up when only hot water is demanded
- Diverter valve sticking or failing to move between positions
- Water leaking from the valve body or actuator area
Before you order
- Confirm your boiler model and GC number against the fit list above.
- Check the existing valve's part number — 6281505 supersedes 6281504.
- Confirm whether the complete valve or the actuator alone requires replacement.
- Inspect the valve body for scale or debris before fitting.
Compliance
| Alternative numbers | DIVERTER-VALVE, N8003-1 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME ECOMFORT 25HE | 47-283-06 | 47-283-06 | — | — |
| SIME ECOMFORT 30HE | 47-719-25 | 47-719-25 | — | — |
| SIME ECOMFORT 35HE | 47-283-09 | 47-283-09 | — | — |
| SIME ECOMFORT PLUS 25HE - 8104012 | 47-283-13 | 47-283-13 | — | — |
| SIME ECOMFORT PLUS 30 HE - 8104011 | 47-283-14 | 47-283-14 | — | — |
| SIME ECONOMY HE25 BF BOILER | — | — | — | |
| SIME ECONOMY HE30 BF BOILER | — | — | — | |
| SIME ECONOMY HE35 BF BOILER | — | — | — | |
| SIME FORMAT 100C - 8098456 | 47-719-13 | 47-719-13 | — | — |
| SIME FORMAT 100C LPG - 8098455 | 47-719-13 | 47-719-13 | — | — |
Showing 10 of 35 compatible appliances.
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.
SIME appliance manual — ECOMFORT 25HE (GC 47-283-06), ECOMFORT 30HE (GC 47-719-25), ECOMFORT 35HE (GC 47-283-09)
manualmanualSIME appliance manual — ECOMFORT PLUS 25HE - 8104012 (GC 47-283-13), ECOMFORT PLUS 30 HE - 8104011 (GC 47-283-14)
manualmanualSIME appliance manual — FORMAT 100C - 8098456 (GC 47-719-13), FORMAT 100C LPG - 8098455 (GC 47-719-13), FORMAT 110C (GC 47-719-21), FORMAT 80C - 8098454 (GC 47-719-12), FORMAT 80C LPG - 8098459 (GC 47-719-12)
manualmanualSIME appliance manual — FORMAT 30 HE - 8101206 (GC 47-719-22)
manualmanualSIME appliance manual — FRIENDLY FORMAT 80 TECHNYL - 8092974 (GC 47-719-20), FRIENDLY FORMAT 80E TECHNYL - 8092973 (GC 47-719-19)
manualmanualSIME appliance manual — MURELLE HE25 BF - 8106310 (GC 47-283-10), MURELLE HE30 BF - 8106312 (GC 47-283-11), MURELLE HE35 BF - 8106314 (GC 47-283-12)
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