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Biasi

Biasi Flue Outlet Gasket BI1536101

Flue outlet gasket for Biasi Activ A and Advance gas boilers, part number BI1536101.

At a glance

Part type: flue outlet gasket
Also known as FLUE-OUTLET-GASKET, 1651129

Manufacturer part no.

BI1536101

GC number

H74-575

Showing prices

£6.73

£5.61 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

The Biasi BI1536101 is a flue outlet gasket for Biasi gas boilers. It seals the joint at the flue outlet, preventing flue products from escaping into the appliance casing or the room. The part is listed against the Biasi Activ A, Activ A PLUS and Advance ranges.

Signs this part needs replacing

Visible cracking, hardening or flattening of the gasket material
Staining, soot marks or condensate trails around the flue outlet joint
Flue gas smell or combustion products detected near the appliance
Combustion readings drifting outside the expected range at the flue outlet
The gasket is disturbed, damaged or fails to seat correctly during servicing

Before you order

Confirm your boiler model and GC number against the fitment list above
Check the existing gasket profile and seating position at the flue outlet
Note that BI1416104 has been superseded by BI1536101
Verify the appliance variant, as LPG and natural gas models are listed separately

Can't find yours? Call 01302 279234

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	—		—	—
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`	—	—
BIASI ACTIV A 18S	—		—	—
BIASI ACTIV A 18S LPG	41-583-11	`41-583-11`	—	—
BIASI ACTIV A 20 OV	—		—	—

Showing 10 of 191 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 Flue Outlet Gasket BI1536101

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 — 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 — 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 — 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 — 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)

BIASI appliance manual — RIVA ADVANCE HE M110.24SM/C (GC 47-970-29), RIVA ADVANCE HE M110.32SM/C (GC 47-970-30)

BIASI appliance manual — RIVA ADVANCE HE M110B.24SM/C (GC 47-583-11), RIVA ADVANCE HE M110B.32SM/C (GC 47-583-12)

BIASI appliance manual — RIVA ADVANCE HE M110B.24SR/C (GC 41-583-07)

BIASI 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)

BIASI 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)

Not sure which part?

GC number	H74-575
Barcode / EAN	8023585843307
Alternative numbers	FLUE-OUTLET-GASKET, 1651129