Biasi
Biasi By-Pass Pipe BI1271100
By-pass pipe for Biasi Garda HE, RIVA Advance HE and RIVA Compact HE boilers up to serial N018390805.
At a glance
- Also known as 1651019
£33.96
£28.30 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 BI1271100 is a by-pass pipe assembly used in the hydraulic circuit of Biasi gas boilers. It maintains a minimum flow rate through the heat exchanger when system demand falls, protecting the appliance from excessive temperature rise and helping to stabilise the temperature differential across the circuit. This version is specified for appliances up to serial number N018390805.
Signs this part needs replacing
- Boiler kettling or banging noises during low-demand operation
- Unstable or fluctuating domestic hot water temperature
- Overheat faults or repeated high-limit trips
- Visible scale, corrosion or leakage at the by-pass pipe or its connections
- Poor temperature differential between flow and return
Before you order
- Confirm the appliance serial number is up to N018390805, as later builds use a different by-pass arrangement
- Check the model name and suffix against the fit list above
- Inspect the existing pipe and connections for scale or damage before removal
- Verify the part number BI1271100 against the manufacturer's parts list for your appliance
Compliance
| GC number | H32-554 |
|---|---|
| Barcode / EAN | 8023585816639 |
| Alternative numbers | 1651019 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| BIASI GARDA HE M96.28SM/B | 47-970-26 | 47-970-26 | — | — |
| BIASI GARDA HE M96.28SM/B2 | 47-583-04A | 47-583-04A | — | — |
| BIASI GARDA HE M96.28SM/D | 47-970-28 | 47-970-28 | — | — |
| BIASI GARDA HE M96.28SM/D2 | 47-583-04B | 47-583-04B | — | — |
| BIASI GARDA HE PLUS M110.24SM/E | 47-970-31 | 47-970-31 | — | — |
| BIASI GARDA HE PLUS M110.32SM/E | 47-970-32 | 47-970-32 | — | — |
Showing 10 of 17 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 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 — 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)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.24SM/C2 (GC 47-583-05), RIVA COMPACT HE M96.28SM/C2 (GC 47-583-06), RIVA COMPACT HE M96.32SM/C2 (GC 47-583-07)
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.