Sime
Sime Water Flow Switch 6149304
Water flow switch for Sime gas boilers, part number 6149304.
At a glance
- Also known as 2040602
£120.66
£100.55 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 6149304 is a water flow switch for Sime gas boilers. It is used in the appliance's water circuit to detect flow and provide a switching signal to the boiler controls. This part is listed for a range of Sime Dewy, Planet Dewy, Murelle, Open Dewy Zip and Low NOX models.
Signs this part needs replacing
- No hot water production when a tap is opened.
- Boiler does not fire or respond to domestic hot water demand.
- Domestic hot water runs intermittently or cuts out during use.
- Flow switch fails to signal the boiler controls when water is drawn.
- Boiler locks out or shuts down during hot water operation.
Before you order
- Confirm the appliance model and, where shown, the GC number against the fitment list.
- Check the existing water flow switch for the part number 6149304.
- Verify that the boiler is a Sime gas boiler from the listed ranges.
- Isolate the electrical supply and water before fitting.
Compliance
| Alternative numbers | 2040602 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME DEWY 30/130 HE FS - 8101905 | — | — | — | |
| SIME DEWY 30/130 WM - 8101900 | 47-293-05 | 47-293-05 | — | — |
| SIME DEWY 30/80 WM - 8097800 | 47-283-04 | 47-283-04 | — | — |
| SIME MURELLE HE 12 BFT MET - 8106350 | — | — | — | |
| SIME MURELLE HE 25 BFT MET - 8106354 | — | — | — | |
| SIME MURELLE SYSTEM HE12 - 8106360 | 41-283-05 | 41-283-05 | — | — |
| SIME MURELLE SYSTEM HE20 - 8106362 | 41-283-06 | 41-283-06 | — | — |
| SIME MURELLE SYSTEM HE25 - 8106364 | 41-283-07 | 41-283-07 | — | — |
| SIME OPEN DEWY ZIP 25 BF MET - 8104900 | — | — | — | |
| SIME OPEN DEWY ZIP 25/40 MET - 8104901 | — | — | — |
Showing 10 of 33 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 — DEWY 30/130 HE FS - 8101905
manualmanualSIME appliance manual — DEWY 30/130 WM - 8101900 (GC 47-293-05), DEWY 30/80 WM - 8097800 (GC 47-283-04)
manualmanualSIME appliance manual — MURELLE SYSTEM HE12 - 8106360 (GC 41-283-05), MURELLE SYSTEM HE20 - 8106362 (GC 41-283-06), MURELLE SYSTEM HE25 - 8106364 (GC 41-283-07)
manualmanualSIME appliance manual — PLANET DEWY 110 - 8093587 (GC 47-719-11), PLANET DEWY 90 - 8093583 (GC 47-719-10)
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