Biasi
Biasi Diverter Valve Actuator BI1351108
Diverter valve actuator for Biasi Activ A, RIVA Compact HE, RIVA PLUS HE and Garda HE boilers built up to April 2011.
At a glance
- Also known as 1651113, N5420-E
£54.23
£45.19 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 BI1351108 is a diverter valve actuator for Biasi gas boilers. It drives the diverter valve spindle to switch the appliance between domestic hot water and central heating operation. This version is specified for boilers manufactured up to April 2011.
Signs this part needs replacing
- No domestic hot water, or hot water only available while the heating is running
- Radiators heating up when only hot water is demanded
- Unstable or fluctuating domestic hot water temperature
- Actuator motor not moving, or failing to drive the diverter valve spindle
- Boiler lockout or fault code linked to the diverter valve
Before you order
- Confirm your boiler model and GC number against the list above.
- Check the appliance manufacture date — this actuator is for units built up to April 2011.
- Inspect the diverter valve body and spindle for scale or seizure before replacing the actuator alone.
- Compare the part number on the existing actuator with BI1351108.
Compliance
| GC number | H74-535 |
|---|---|
| Barcode / EAN | 8023585843505 |
| Alternative numbers | 1651113, N5420-E |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BIASI ACTIV A 25C | — | — | — | |
| BIASI ACTIV A 25C | 47-583-21 | 47-583-21 | — | — |
| BIASI ACTIV A 25C LPG | 47-583-21 | 47-583-21 | — | — |
| BIASI ACTIV A 30C | — | — | — | |
| BIASI ACTIV A 30C | 47-583-22 | 47-583-22 | — | — |
| BIASI ACTIV A 30C LPG | 47-583-22 | 47-583-22 | — | — |
| BIASI ACTIV A 35C | — | — | — | |
| BIASI ACTIV A 35C | 47-583-23 | 47-583-23 | — | — |
| BIASI ACTIV A 35C LPG | 47-583-23 | 47-583-23 | — | — |
| BIASI GARDA HE MK2 M96A.24SM/B | 47-583-15 | 47-583-15 | — | — |
Showing 10 of 18 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 — ACTIV A 25C (GC 47-583-21), ACTIV A 25C LPG (GC 47-583-21), ACTIV A 30C (GC 47-583-22), ACTIV A 30C LPG (GC 47-583-22), ACTIV A 35C (GC 47-583-23), ACTIV A 35C LPG (GC 47-583-23)
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 — 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 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)
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