Biasi
Biasi Transformer BI1665100
Biasi BI1665100 transformer for Garda and RIVA Advance HE gas boiler controls.
At a glance
- Part type: transformer
- Also known as TRANSFORMER, 1650484
Showing prices
£67.08
£55.90 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
The Biasi BI1665100 is a transformer used in the control circuit of Biasi gas boilers. It supplies the low-voltage supply required by the appliance's control electronics. It is listed under Controls within Biasi gas boiler spares.
Signs this part needs replacing
- Boiler fails to power up or the control display stays dead
- Repeated lockouts with no ignition sequence
- Intermittent operation or the boiler dropping out mid-cycle
- Visible scorching, discolouration or a burning smell around the transformer
- No low-voltage output at the control board
Before you order
- Confirm your appliance model against the fit list above
- Check the part number on the existing transformer matches BI1665100
- Isolate the electrical supply before removing or inspecting the component
- Verify the fault lies with the transformer rather than the board or wiring
Compliance
| GC number | H39-022 |
|---|---|
| Barcode / EAN | 8023585820797 |
| Alternative numbers | TRANSFORMER, 1650484 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| BIASI GARDA M110B.24SM/E | 47-583-13 | 47-583-13 | — | — |
| BIASI GARDA M110B.32SM/E | 47-583-14 | 47-583-14 | — | — |
| BIASI RIVA ADVANCE HE M110.24SM/C | 47-970-29 | 47-970-29 | — | — |
| BIASI RIVA ADVANCE HE M110.32SM/C | 47-970-30 | 47-970-30 | — | — |
| BIASI RIVA ADVANCE HE M110B.24SM/C | 47-583-11 | 47-583-11 | — | — |
| BIASI RIVA ADVANCE HE M110B.24SR/C | 41-583-07 | 41-583-07 | — | — |
| BIASI RIVA ADVANCE HE M110B.32SM/C | 47-583-12 | 47-583-12 | — | — |
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 — 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 — 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)
manualNo technical questions yet for this part.
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