Biasi
Biasi Gas Valve BI1243100
Honeywell VK4105M gas valve for Biasi Garda HE, Parva HE and RIVA Compact HE boilers from serial N012050206.
At a glance
- Also known as 1650765
- Gas valve replacement is a gas safety critical task and must be carried out by a competent Gas Safe registered engineer
£228.26
£190.22 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 Honeywell VK4105M is a gas valve used on Biasi gas boilers, supplied under Biasi part number BI1243100. It controls the flow of gas to the burner, opening and modulating supply in response to the boiler's demand signal. This version is specified for appliances from serial number N012050206 onwards.
Signs this part needs replacing
- The boiler fails to ignite and locks out repeatedly
- No gas is reaching the burner despite a call for heat
- The burner flame is unstable, weak or extinguishes shortly after ignition
- The valve body shows signs of leakage or the surrounding area smells of gas
- The valve fails to modulate, causing poor or erratic burner output
Before you order
- Confirm the appliance serial number is N012050206 or later, as this valve is specified from that serial number
- Check the boiler model against the fitment list above, including the suffix after the model number
- Gas valve replacement is a gas safety critical task and must be carried out by a competent Gas Safe registered engineer
- Verify the existing valve marking matches Honeywell VK4105M before ordering
Compliance
| GC number | H32-602 |
|---|---|
| Barcode / EAN | 8023585815878 |
| Alternative numbers | 1650765 |
| 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 PARVA HE M96.24SM/P | 47-583-08 | 47-583-08 | — | — |
| BIASI PARVA HE M96.28SM/P | 47-583-09 | 47-583-09 | — | — |
Showing 10 of 21 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 — 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)
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