
Biasi
Biasi Expansion Vessel BI1002110
Expansion vessel for Biasi gas boilers, part number BI1002110, used to absorb pressure changes in the heating system.
At a glance
- Also known as EXPANSION-VESSEL-RIVA--GAIA, 1650042
£107.60
£89.67 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 BI1002110 is an expansion vessel for Biasi gas boilers. It absorbs the expansion of water as the heating system warms up, limiting the pressure rise within the sealed system. The vessel is listed for a range of Biasi 24S, 28S, Prisma, Garda, RIVA and Savio GAIA appliances.
Signs this part needs replacing
- Boiler pressure rises quickly when the heating is running
- Pressure relief valve discharges water during heating cycles
- System pressure drops repeatedly and needs frequent topping up
- Water or air escaping from the vessel's valve
- Boiler locks out on low pressure
Before you order
- Confirm your appliance model and GC number against the fitment list above
- Check the existing vessel's connection and physical size match the part
- Verify the part number BI1002110 on the existing component or in the manufacturer's parts list
Compliance
| GC number | E00-690 |
|---|---|
| Barcode / EAN | 8023585801420 |
| Alternative numbers | EXPANSION-VESSEL-RIVA--GAIA, 1650042 |
| 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 PRISMA 24 SER | — | — | — | |
| BIASI BIASI PRISMA 24SE | — | — | — | |
| BIASI BIASI PRISMA 28SE | — | — | — | |
| BIASI BIASI SAVIO GAIA 424S | — | — | — |
Showing 10 of 24 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 — 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 — PRISMA 24SE (GC 47-970-04), PRISMA 24SER (GC 41-970-02), PRISMA 28SE (GC 47-970-05)
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