Biasi
Biasi O-Ring Gasket BI1001131
Biasi O-ring gasket 1.78mm x 15.6mm, part number BI1001131, for use in a range of Biasi gas boilers.
At a glance
- Also known as O-RING-178-X-156, 1650027
Showing prices
£0.89
£0.74 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
This is a Biasi O-ring gasket measuring 1.78mm x 15.6mm, part number BI1001131. It is a small rubber seal used in various Biasi gas boilers to prevent leaks at a specific connection. The O-ring fits a range of Biasi models, including the 24S, 24SR, 28S, Garda, Parva, RIVA and GAIA series.
Signs this part needs replacing
- Visible cracks, splits or tears in the rubber
- Hardened or brittle texture
- Flattened or deformed shape
- Water or gas leaks at the sealed joint
- Discolouration or swelling of the O-ring
Before you order
- Check your boiler model against the fit list above.
- Verify the O-ring dimensions (1.78mm x 15.6mm) match the part you are replacing.
- Confirm the part number BI1001131 or superseded code BG1001125.
- If unsure, consult the manufacturer's parts list for your specific appliance.
Compliance
| GC number | E00-679 |
|---|---|
| Barcode / EAN | 8023585801222 |
| Alternative numbers | O-RING-178-X-156, 1650027 |
| 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 BIASI 24S | — | — | — | |
| BIASI BIASI 24SR | — | — | — | |
| BIASI BIASI 28S | — | — | — | |
| 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 | — | — | — |
Showing 10 of 81 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 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 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 — PRISMA 24SE (GC 47-970-04), PRISMA 24SER (GC 41-970-02), PRISMA 28SE (GC 47-970-05)
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 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 M96.28SM/C2 (GC 47-583-06)
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)
manualNo technical questions yet for this part.
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