Biasi
Biasi Air Restrictor D. 55 BI1406116
Air restrictor for Biasi gas boilers, part number BI1406116, suitable for Garda, Parva, RIVA Compact and RIVA PLUS HE models.
At a glance
- Part type: air restrictor, D. 55
- Also known as 1650422
Showing prices
£17.66
£14.72 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
The Biasi BI1406116 air restrictor (D. 55) is a component used in the air path of Biasi gas boilers. It is listed for models across the Garda, Parva, RIVA Compact and RIVA PLUS HE ranges. The restrictor controls airflow into the combustion circuit to help maintain correct combustion.
Signs this part needs replacing
- Whistling or whooshing from the air intake
- Combustion readings outside the manufacturer's tolerance
- Flame instability or intermittent lockout
- Visible damage, distortion or a missing restrictor found during service
Before you order
- Confirm your boiler model against the fit list above.
- Check the existing restrictor is marked D. 55.
- Have the appliance GC number to hand when cross-referencing.
- Check the part number BI1406116 matches the old component.
Compliance
| GC number | H21-071 |
|---|---|
| Barcode / EAN | 8023585818862 |
| Alternative numbers | 1650422 |
| 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 MK2 M96A.24SM/B | 47-583-15 | 47-583-15 | — | — |
| BIASI GARDA HE MK2 M96A.28SM/B | 47-583-16 | 47-583-16 | — | — |
Showing 10 of 48 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 — 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 MK2 M96A.24SM/B (GC 47-583-15), GARDA HE MK2 M96A.28SM/B (GC 47-583-16)
manualmanualBIASI appliance manual — PARVA HE M96.24SM/P (GC 47-583-08), PARVA HE M96.28SM/P (GC 47-583-09), PARVA HE M96.32SM/P (GC 47-583-10)
manualmanualBIASI appliance manual — PARVA HE M96.28SR/P (GC 41-583-05), PARVA HE M96.32SR/P (GC 47-583-06)
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 M96.24SM/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)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96.24SR/C2 (GC 41-583-08), RIVA COMPACT HE M96.28SR/C2 (GC 41-583-02)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96A.24SM/C (GC 47-583-17), RIVA COMPACT HE M96A.28SM/C (GC 47-583-18), RIVA COMPACT HE M96A.32SM/C (GC 47-583-19)
manualmanualBIASI appliance manual — RIVA COMPACT HE M96A.24SR/C (GC 41-583-09), RIVA COMPACT HE M96A.28SR/C (GC 41-583-10)
manualmanualBIASI appliance manual — RIVA PLUS HE 24C ERP (GC 47-583-41), RIVA PLUS HE 24C ERP LPG (GC 47-583-41), RIVA PLUS HE 28C ERP (GC 47-583-42), RIVA PLUS HE 28C ERP LPG (GC 47-583-42)
manualmanualBIASI appliance manual — RIVA PLUS HE 24S ERP (GC 41-583-31), RIVA PLUS HE 24S ERP LPG (GC 41-583-31), RIVA PLUS HE 28S ERP (GC 41-583-32), RIVA PLUS HE 28S ERP LPG (GC 41-583-32)
manualmanualBIASI appliance manual — RIVA PLUS HE M296.24SM/C (GC 47-583-24), RIVA PLUS HE M296.24SM/C LPG (GC 47-583-24), RIVA PLUS HE M296.28SM/C (GC 47-583-25), RIVA PLUS HE M296.28SM/C LPG (GC 47-583-25)
manualmanualBIASI appliance manual — RIVA PLUS HE M296.24SR/C (GC 41-583-18), RIVA PLUS HE M296.24SR/C LPG (GC 41-583-18), RIVA PLUS HE M296.28SR/C (GC 41-583-19), RIVA PLUS HE M296.28SR/C LPG (GC 41-583-19)
manualNo technical questions yet for this part.
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