Biasi
Biasi Zinc Plated Washer 5.5mm x 15mm BI1556102
Zinc plated 5.5mm x 15mm washer for Biasi boilers, manufacturer part number BI1556102.
At a glance
- Also known as 1651720
Showing prices
£0.44
£0.37 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 BI1556102 is a zinc plated washer measuring 5.5mm x 15mm, supplied by Biasi for use on its Activ, Advance and Inovia boiler families. It is a small assembly component used at a joint within the appliance, with a zinc plated finish for corrosion resistance. It is listed against 40 Biasi boiler models in total.
Signs this part needs replacing
- Water weeping or dripping from the joint where the washer is fitted
- Visible rust, corrosion or white scale on the washer surface
- Washer flattened, split, cracked or otherwise deformed
- Staining or mineral deposits building up around the joint
- A washer reused during a repair that will not seal
Before you order
- Confirm your boiler model and GC number against the fitment list above
- Check the existing washer measures 5.5mm x 15mm
- Confirm how many washers the job requires
- Have the part number BI1556102 to hand when ordering
Compliance
| GC number | H82-801 |
|---|---|
| Alternative numbers | 1651720 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BIASI ACTIV A 12 OV | 41-583-14 | 41-583-14 | — | — |
| BIASI ACTIV A 12 OV | — | — | — | |
| BIASI ACTIV A 12 OV LPG | 41-583-14 | 41-583-14 | — | — |
| BIASI ACTIV A 15 OV | 41-583-15 | 41-583-15 | — | — |
| BIASI ACTIV A 15 OV | — | — | — | |
| BIASI ACTIV A 15 OV LPG | 41-583-15 | 41-583-15 | — | — |
| BIASI ACTIV A 18S | — | — | — | |
| BIASI ACTIV A 18S | 41-583-11 | 41-583-11 | — | — |
| BIASI ACTIV A 18S LPG | 41-583-11 | 41-583-11 | — | — |
| BIASI ACTIV A 20 OV | 41-583-16 | 41-583-16 | — | — |
Showing 10 of 119 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 — ACTIV A 12 OV (GC 41-583-14), ACTIV A 12 OV LPG (GC 41-583-14), ACTIV A 15 OV (GC 41-583-15), ACTIV A 15 OV LPG (GC 41-583-15), ACTIV A 20 OV (GC 41-583-16), ACTIV A 20 OV LPG (GC 41-583-16), ACTIV A 25 OV (GC 41-583-17), ACTIV A 25 OV LPG (GC 41-583-17)
manualmanualBIASI appliance manual — ACTIV A 18S (GC 41-583-11), ACTIV A 18S LPG (GC 41-583-11), ACTIV A 25S (GC 41-583-12), ACTIV A 25S LPG (GC 41-583-12), ACTIV A 30S (GC 41-583-13), ACTIV A 30S LPG (GC 41-583-13)
manualmanualBIASI 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 — ACTIV A PLUS 16S (GC 41-583-20), ACTIV A PLUS 16S LPG (GC 41-583-20), ACTIV A PLUS 25S (GC 41-583-21), ACTIV A PLUS 25S LPG (GC 41-583-21)
manualmanualBIASI appliance manual — ACTIV A PLUS 25C (GC 47-583-28), ACTIV A PLUS 25C LPG (GC 47-583-28), ACTIV A PLUS 30C (GC 47-583-26), ACTIV A PLUS 30C LPG (GC 47-583-26), ACTIV A PLUS 35C (GC 47-583-27), ACTIV A PLUS 35C LPG (GC 47-583-27)
manualmanualBIASI appliance manual — ADVANCE 15 OV (GC 41-583-35), ADVANCE 15 OV LPG (GC 41-583-35), ADVANCE 18 OV (GC 41-583-36), ADVANCE 18 OV LPG (GC 41-583-36), ADVANCE 24 OV (GC 41-583-37), ADVANCE 24 OV LPG (GC 41-583-37)
manualmanualBIASI appliance manual — ADVANCE 25C (GC 47-583-43), ADVANCE 25C LPG (GC 47-583-43), ADVANCE 30C (GC 47-583-44), ADVANCE 30C LPG (GC 47-583-44), ADVANCE 35C (GC 47-583-45), ADVANCE 35C LPG (GC 47-583-45)
manualmanualBIASI appliance manual — ADVANCE 25S (GC 41-583-33), ADVANCE 25S LPG (GC 41-583-33), ADVANCE 30S (GC 41-583-34), ADVANCE 30S LPG (GC 41-583-34)
manualmanualBIASI appliance manual — ADVANCE PLUS 16S (GC 41-583-22), ADVANCE PLUS 16S LPG (GC 41-583-22), ADVANCE PLUS 25S (GC 41-583-23), ADVANCE PLUS 25S LPG (GC 41-583-23), ADVANCE PLUS 30S (GC 41-583-24), ADVANCE PLUS 30S LPG (GC 41-583-24)
manualmanualBIASI appliance manual — ADVANCE PLUS 16S ERP (GC 41-583-27), ADVANCE PLUS 16S ERP LPG (GC 41-583-27), ADVANCE PLUS 25S ERP (GC 41-583-28), ADVANCE PLUS 25S ERP LPG (GC 41-583-28), ADVANCE PLUS 30S ERP (GC 41-583-29), ADVANCE PLUS 30S ERP LPG (GC 41-583-29)
manualmanualBIASI appliance manual — ADVANCE PLUS 25C (GC 47-583-29), ADVANCE PLUS 25C LPG (GC 47-583-29), ADVANCE PLUS 30C (GC 47-583-30), ADVANCE PLUS 30C LPG (GC 47-583-30), ADVANCE PLUS 35C (GC 47-583-31), ADVANCE PLUS 35C LPG (GC 47-583-31)
manualmanualBIASI appliance manual — ADVANCE PLUS 25C ERP (GC 47-583-35), ADVANCE PLUS 25C ERP LPG (GC 47-583-35), ADVANCE PLUS 30C ERP (GC 47-583-36), ADVANCE PLUS 30C ERP LPG (GC 47-583-36), ADVANCE PLUS 35C ERP (GC 47-583-37), ADVANCE PLUS 35C ERP LPG (GC 47-583-37)
manualmanualBIASI appliance manual — INOVIA 16S (GC 41-583-25), INOVIA 16S LPG (GC 41-583-25), INOVIA 25S (GC 41-583-26), INOVIA 25S LPG (GC 41-583-26)
manualmanualBIASI appliance manual — INOVIA 25C (GC 47-583-32), INOVIA 25C LPG (GC 47-583-32), INOVIA 30C (GC 47-583-33), INOVIA 30C LPG (GC 47-583-33), INOVIA 35C (GC 47-583-34), INOVIA 35C LPG (GC 47-583-34)
manualmanualBIASI appliance manual — INOVIA 25C ERP (GC 47-583-38), INOVIA 25C ERP LPG (GC 47-583-38), INOVIA 30C ERP (GC 47-583-39), INOVIA 30C ERP LPG (GC 47-583-39), INOVIA 35C ERP (GC 47-583-40), INOVIA 35C ERP LPG (GC 47-583-40)
manualmanualBIASI appliance manual — INOVIA 25S ERP (GC 41-583-30), INOVIA 25S ERP LPG (GC 41-583-30)
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