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Biasi

Biasi Flat Gasket 3/4" BI1001108

Flat sealing gasket, 3/4 inch, for Biasi gas boilers. Manufacturer part number BI1001108.

At a glance

Part type: flat gasket
Also known as 1650007

Manufacturer part no.

BI1001108

GC number

169-033

Showing prices

£0.68

£0.57 ex. VAT · VAT at 20%

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 team Send a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

A 3/4 inch flat gasket manufactured by Biasi for use in its gas boiler range. It provides a compression seal at the joint where it is fitted, preventing water or gas loss from the connection. It is supplied under Biasi part number BI1001108.

Signs this part needs replacing

Visible weeping or dripping at the joint the gasket seals
Water staining, corrosion or scale around the mating faces
Gasket hardened, flattened, cracked or brittle on inspection
Gasket deformed or extruded out of the joint
Repeated pressure loss traced to the sealed connection

Before you order

Confirm the gasket size required is 3/4 inch
Check your boiler model against the fitment list above
Check whether the superseded code BG1001108 applies to your appliance
Inspect the mating faces for pitting or damage before fitting a new gasket

Can't find yours? Call 01302 279234

Make	Model / assembly	Reference	Years	Fitment
BIASI 24S	47-970-10	`47-970-10`	—	—
BIASI 24SR	41-970-05	`41-970-05`	—	—
BIASI 28S	47-970-11	`47-970-11`	—	—
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	—		—	—
BIASI ACTIV A 15 OV	41-583-15	`41-583-15`	—	—
BIASI ACTIV A 15 OV LPG	41-583-15	`41-583-15`	—	—
BIASI ACTIV A 18S	41-583-11	`41-583-11`	—	—

Showing 10 of 250 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.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.

Send a technical question Call the technical team

Biasi Flat Gasket 3/4" BI1001108

At a glance

Same-day dispatch

30-day returns

What it is

Signs this part needs replacing

Before you order

Compliance

Documents & drawings

BIASI appliance manual — 24S (GC 47-970-10), 24SR (GC 41-970-05), 28S (GC 47-970-11)

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)

BIASI 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)

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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI appliance manual — BASICA COND M275V.2024 SM (GC 47-583-49), BASICA COND M275V.2428 SM (GC 47-583-50), BASICA COND M275V.2832 SM (GC 47-583-51)

BIASI appliance manual — GAIA 424RS (GC 41-970-04), GAIA 424S (GC 47-970-08), GAIA 428S (GC 47-970-09)

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)

BIASI 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)

BIASI appliance manual — GARDA HE MK2 M96A.24SM/B (GC 47-583-15), GARDA HE MK2 M96A.28SM/B (GC 47-583-16)

BIASI appliance manual — GARDA HE PLUS M110.24SM/E (GC 47-970-31), GARDA HE PLUS M110.32SM/E (GC 47-970-32)

BIASI appliance manual — GARDA M110B.24SM/E (GC 47-583-13), GARDA M110B.32SM/E (GC 47-583-14)

BIASI appliance manual — GARDA M90F.24S (GC 47-970-19), GARDA M90F.24SR (GC 41-970-10), GARDA M90F.28S (GC 47-970-20), GARDA M90F.28SR (GC 41-970-11), GARDA M90F.32S (GC 47-970-22)

BIASI 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)

BIASI 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)

BIASI 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)

BIASI appliance manual — INOVIA 25S ERP (GC 41-583-30), INOVIA 25S ERP LPG (GC 41-583-30)

BIASI 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)

BIASI appliance manual — PARVA HE M96.28SR/P (GC 41-583-05), PARVA HE M96.32SR/P (GC 47-583-06)

BIASI appliance manual — PARVA M90 - 24S (GC 47-970-13), PARVA M90 - 24SR (GC 41-970-06), PARVA M90 - 28S (GC 47-970-14), PARVA M90 - 28SR (GC 41-970-07)

BIASI appliance manual — PRISMA 24SE (GC 47-970-04), PRISMA 24SER (GC 41-970-02), PRISMA 28SE (GC 47-970-05)

BIASI appliance manual — RINNOVA ADAPTIVE M300V.2025 SM (GC 47-583-46), RINNOVA ADAPTIVE M300V.2530 SM (GC 47-583-47), RINNOVA ADAPTIVE M300V.3035 SM (GC 47-583-48)

Not sure which part?

GC number	169-033
Barcode / EAN	8023585801017
Alternative numbers	1650007