
Biasi
Biasi DHW Flow Switch BI1091104
Magnetic DHW flow switch and spring for Biasi Garda, RIVA and Parva boilers up to serial number N012040206.
At a glance
- Also known as 1650209, N8858-B
£36.62
£30.52 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 Biasi DHW flow switch (part number BI1091104) is a magnetic flow switch supplied with its spring, used in Biasi gas boilers. It detects hot water draw-off at the domestic hot water circuit and signals the boiler to fire for DHW demand. This version is specified for appliances up to serial number N012040206.
Signs this part needs replacing
- No hot water when a tap is opened
- Boiler does not fire on DHW demand
- Intermittent or fluctuating hot water delivery
- DHW flow switch fails to activate the boiler
- Sticking, damaged or broken spring or magnetic switch
Before you order
- Confirm the boiler serial number is up to N012040206
- Check the appliance model against the fitment list
- Verify the existing part number is BI1091104
- Inspect the existing flow switch and spring for damage
Compliance
| GC number | E83-082 |
|---|---|
| Barcode / EAN | 8023585806845 |
| Alternative numbers | 1650209, N8858-B |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BIASI BIASI GARDA HE M96-24SM/B | — | — | — | |
| BIASI BIASI GARDA HE M96-24SM/D | — | — | — | |
| BIASI BIASI GARDA HE M96-28SM/B | — | — | — | |
| BIASI BIASI GARDA HE M96-28SM/D | — | — | — | |
| BIASI BIASI GARDA M90E-24S | — | — | — | |
| BIASI BIASI GARDA M90E-28S | — | — | — | |
| BIASI BIASI GARDA M90E-32S | — | — | — | |
| BIASI BIASI GARDA M90F-24S | — | — | — | |
| BIASI BIASI GARDA M90F-28S | — | — | — | |
| BIASI BIASI GARDA M90F-32S | — | — | — |
Showing 10 of 38 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.
BIASI appliance manual — GARDA HE M96.24SM/B (GC 47-970-25), GARDA HE M96.24SM/D (GC 47-970-27), GARDA HE M96.28SM/B (GC 47-970-26), GARDA HE M96.28SM/D (GC 47-970-28)
manualmanualBIASI appliance manual — GARDA M90F.24S (GC 47-970-19), GARDA M90F.28S (GC 47-970-20), GARDA M90F.32S (GC 47-970-22)
manualmanualBIASI appliance manual — PARVA M90 - 24S (GC 47-970-13), PARVA M90 - 28S (GC 47-970-14)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.24SM/C (GC 47-970-23), RIVA COMPACT HE M96.28SM/C (GC 47-970-24)
manualmanualBIASI appliance manual — RIVA COMPACT M90E.24S (GC 47-970-17), RIVA COMPACT M90E.28S (GC 47-970-18), RIVA COMPACT M90E.32S (GC 47-970-21)
manualmanualBIASI appliance manual — RIVA PLUS M90D.24S (GC 47-970-15), RIVA PLUS M90D.28S (GC 47-970-16)
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