Biasi
Biasi Screw M4 x 12mm Stainless Steel BI1011109
M4 x 12mm stainless steel screw, Biasi part BI1011109, used across Biasi gas boiler ranges.
At a glance
- Also known as 1651301
Showing prices
£1.09
£0.91 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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
This is a Biasi M4 x 12mm stainless steel screw, supplied under part number BI1011109. It is a fixing fastener used on Biasi gas boilers, including the 24S, GAIA, Garda, Parva and RIVA families. It secures components and covers where a corrosion-resistant threaded fixing is required.
Signs this part needs replacing
- The screw head is stripped or rounded and will not take a driver
- Corrosion or pitting on the thread or head
- The screw is missing after a service or repair
- The thread is damaged or crossed, so the screw will not tighten
- A panel, bracket or cover it secures is loose or rattling
Before you order
- Confirm the part number BI1011109 matches the item being replaced
- Check the thread size and length against the screw removed from the appliance
- Check how many fixings are needed for the job
- Verify your boiler model against the manufacturer's parts list
Compliance
| GC number | E00-685 |
|---|---|
| Barcode / EAN | 8023585802434 |
| Alternative numbers | 1651301 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BIASI 24S | 47-970-10 | 47-970-10 | — | — |
| BIASI 24SR | 41-970-05 | 41-970-05 | — | — |
| BIASI 28S | 47-970-11 | 47-970-11 | — | — |
| BIASI GAIA 424RS | 41-970-04 | 41-970-04 | — | — |
| BIASI GAIA 424S | 47-970-08 | 47-970-08 | — | — |
| BIASI GAIA 428S | 47-970-09 | 47-970-09 | — | — |
| BIASI GARDA HE M96.24SM/B | 47-970-25 | 47-970-25 | — | — |
| BIASI GARDA HE M96.24SM/B2 | 47-583-03A | 47-583-03A | — | — |
| BIASI GARDA HE M96.24SM/D | 47-970-27 | 47-970-27 | — | — |
| BIASI GARDA HE M96.24SM/D2 | 47-583-03B | 47-583-03B | — | — |
Showing 10 of 52 compatible appliances.
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.
manual
BIASI appliance manual — 24S (GC 47-970-10), 24SR (GC 41-970-05), 28S (GC 47-970-11)
manualmanualBIASI appliance manual — GAIA 424RS (GC 41-970-04), GAIA 424S (GC 47-970-08), GAIA 428S (GC 47-970-09)
manualmanualBIASI 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 HE M96.24SM/B2 (GC 47-583-03A), GARDA HE M96.24SM/D2 (GC 47-583-03B), GARDA HE M96.28SM/B2 (GC 47-583-04A), GARDA HE M96.28SM/D2 (GC 47-583-04B)
manualmanualBIASI appliance manual — GARDA HE PLUS M110.24SM/E (GC 47-970-31), GARDA HE PLUS M110.32SM/E (GC 47-970-32)
manualmanualBIASI appliance manual — GARDA M110B.24SM/E (GC 47-583-13), GARDA M110B.32SM/E (GC 47-583-14)
manualmanualBIASI appliance manual — GARDA M90F.24S (GC 47-970-19), GARDA M90F.24SR (GC 41-970-10), GARDA M90F.28S (GC 47-970-20), GARDA M90F.28SR (GC 41-970-11), GARDA M90F.32S (GC 47-970-22)
manualmanualBIASI appliance manual — PARVA HE M96.24SM/P (GC 47-583-08), PARVA HE M96.28SM/P (GC 47-583-09), PARVA HE M96.32SM/P (GC 47-583-10)
manualmanualBIASI appliance manual — PARVA HE M96.28SR/P (GC 41-583-05), PARVA HE M96.32SR/P (GC 47-583-06)
manualmanualBIASI appliance manual — PARVA M90 - 24S (GC 47-970-13), PARVA M90 - 24SR (GC 41-970-06), PARVA M90 - 28S (GC 47-970-14), PARVA M90 - 28SR (GC 41-970-07)
manualmanualBIASI appliance manual — RIVA ADVANCE HE M110.24SM/C (GC 47-970-29), RIVA ADVANCE HE M110.32SM/C (GC 47-970-30)
manualmanualBIASI appliance manual — RIVA ADVANCE HE M110B.24SM/C (GC 47-583-11), RIVA ADVANCE HE M110B.32SM/C (GC 47-583-12)
manualmanualBIASI appliance manual — RIVA ADVANCE HE M110B.24SR/C (GC 41-583-07)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.24SM/C (GC 47-970-23), RIVA COMPACT HE M96.28SM/C (GC 47-970-24), RIVA COMPACT HE M96.28SR/C (GC 41-970-12)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.24SR/C2 (GC 41-583-08), RIVA COMPACT HE M96.28SR/C2 (GC 41-583-02)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.28SM/C2 (GC 47-583-06)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96A.24SR/C (GC 41-583-09), RIVA COMPACT HE M96A.28SR/C (GC 41-583-10)
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.24SR (GC 41-970-08), RIVA PLUS M90D.28S (GC 47-970-16), RIVA PLUS M90D.28SR (GC 41-970-09)
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