Biasi
Biasi By-Pass Pipe BI1001103
By-pass pipe for Biasi gas boilers, manufacturer part number BI1001103.
At a glance
- Also known as 1650002
£20.70
£17.25 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 BI1001103 is a by-pass pipe manufactured by Biasi for use in its domestic gas boilers. It forms part of the boiler's pipe assembly, providing the by-pass route within the heating circuit. It is listed as a gas boiler spare in the pipe assembly category.
Signs this part needs replacing
- Visible corrosion, scaling or pitting on the pipe surface
- Weeping or dripping at the pipe connections
- Kettling, banging or unusual noise from the boiler during operation
- Poor circulation or uneven heating across the system
- Overheating or repeated high-limit trips linked to the by-pass circuit
Before you order
- Confirm your boiler model against the fitment list above
- Check the GC number on your appliance data badge against your model's listing
- Compare the part number on the existing component with BI1001103
- Inspect the pipe and its connections for damage before fitting
Compliance
| GC number | E00-667 |
|---|---|
| Barcode / EAN | 8023585800966 |
| Alternative numbers | 1650002 |
| 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 24SE BOILER | — | — | — | |
| BIASI GARDA 24SER BOILER | — | — | — | |
| BIASI GARDA 28SE BOILER | — | — | — | |
| BIASI PRISMA 24SE | 47-970-04 | 47-970-04 | — | — |
Showing 10 of 15 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)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.