Baxi
Baxi Flue Adaptor Assembly 7857561
Baxi 7857561 flue adaptor kit for use with a range of Baxi combi and system boilers.
At a glance
- Also known as 1134999
Showing prices
£30.42
£25.35 ex. VAT · VAT at 20%
Available to order · 1 working day
Available to order · 1 working day
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 Baxi 7857561 is a flue adaptor assembly supplied as a kit by Baxi. It forms the connection between the appliance flue outlet and the flue system on compatible Baxi combi and system boilers. It is a serviceable component used when the flue connection is being replaced or renewed.
Signs this part needs replacing
- Visible corrosion, staining or deterioration on the flue adaptor body
- Condensate weeping or tracking from the flue connection joint
- Perished, hardened or displaced sealing components at the adaptor
- Movement or poor seating where the flue meets the appliance outlet
- Evidence of leakage or spillage around the flue connection during servicing
Before you order
- Confirm your appliance model against the fitment list above
- Check the serial number suffix where your model is listed by serial number ending
- Compare the existing flue adaptor and its connection arrangement with the appliance before removal
- Confirm whether any additional flue components are required for the installation
Compliance
| Alternative numbers | 1134999 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 224 ErP COMBI | 47-077-21 | 47-077-21 | — | — |
| BAXI 228 ErP COMBI | 47-077-22 | 47-077-22 | — | — |
| BAXI 424 ERP COMBI 2.1 | 47-077-74 | 47-077-74 | — | — |
| BAXI 424 ErP COMBI | 47-077-23 | 47-077-23 | — | — |
| BAXI 428 ErP COMBI | 47-077-24 | 47-077-24 | — | — |
| BAXI 430 ERP COMBI 2.1 | 47-077-75 | 47-077-75 | — | — |
| BAXI 436 ERP COMBI 2.1 | 47-077-76 | 47-077-76 | — | — |
| BAXI 615 SYSTEM 2 - FRONT FACING ANALOGUE PRESSURE GAUGE | 41-884-01 | 41-884-01 | — | — |
| BAXI 615 SYSTEM 2 - INTERNAL FIT PRESSURE GAUGE | 41-884-01 | 41-884-01 | — | — |
| BAXI 615 SYSTEM Erp NG - SERIAL NUMBER ENDING AC | 41-470-56 | 41-470-56 | — | — |
Showing 10 of 134 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
BAXI appliance manual — 224 ErP COMBI (GC 47-077-21), 228 ErP COMBI (GC 47-077-22), 424 ErP COMBI (GC 47-077-23), 428 ErP COMBI (GC 47-077-24)
manualmanualBAXI appliance manual — 615 SYSTEM Erp NG - SERIAL NUMBER ENDING AC (GC 41-470-56), 618 SYSTEM Erp NG - SERIAL NUMBER ENDING AC (GC 41-470-57), 624 SYSTEM Erp LPG - SERIAL NUMBER ENDING AC (GC 41-470-59), 624 SYSTEM LPG (GC 41-470-64)
manualmanualBAXI appliance manual — 615 SYSTEM Erp NG - SERIAL NUMBER ENDING BC (GC 41-470-56), 615 SYSTEM Erp NG - SERIAL NUMBER ENDING CC (GC 41-470-56), 618 SYSTEM Erp NG - SERIAL NUMBER ENDING CC (GC 41-470-57), 624 SYSTEM Erp LPG - SERIAL NUMBER ENDING BC (GC 41-470-64), 624 SYSTEM Erp LPG - SERIAL NUMBER ENDING CC (GC 41-470-64), 624 SYSTEM Erp NG - SERIAL NUMBER ENDING AC (GC 41-470-59), 624 SYSTEM Erp NG - SERIAL NUMBER ENDING CC (GC 41-470-59)
manualmanualBAXI appliance manual — 624 COMBI - SERIAL NUMBER ENDING AC (GC 47-077-28), 630 COMBI - SERIAL NUMBER ENDING AC (GC 47-077-29), 636 COMBI - SERIAL NUMBER ENDING AC (GC 47-077-30)
manualmanualBAXI appliance manual — 624 COMBI - SERIAL NUMBER ENDING BC (GC 47-077-28), 624 COMBI LPG - SERIAL NUMBER ENDING AC (GC 47-077-33), 624 COMBI LPG - SERIAL NUMBER ENDING BC (GC 47-077-33), 624 COMBI LPG - SERIAL NUMBER ENDING CC (GC 47-077-33), 630 COMBI - SERIAL NUMBER ENDING BC (GC 47-077-29), 630 COMBI - SERIAL NUMBER ENDING CC (GC 47-077-29), 630 COMBI LPG - SERIAL NUMBER ENDING AC (GC 47-077-32), 630 COMBI LPG - SERIAL NUMBER ENDING BC (GC 47-077-32), 630 COMBI LPG - SERIAL NUMBER ENDING CC (GC 47-077-32), 636 COMBI - SERIAL NUMBER ENDING BC (GC 47-077-30), 636 COMBI - SERIAL NUMBER ENDING CC (GC 47-077-30), 636 COMBI LPG - SERIAL NUMBER ENDING AC (GC 47-077-31), 636 COMBI LPG - SERIAL NUMBER ENDING BC (GC 47-077-31), 636 COMBI LPG - SERIAL NUMBER ENDING CC (GC 47-077-31)
manualmanualBAXI appliance manual — 818 SYSTEM Erp - SERIAL NUMBER ENDING AC (GC 41-470-73), 824 SYSTEM Erp - SERIAL NUMBER ENDING AC (GC 41-470-74)
manualmanualBAXI appliance manual — 818 SYSTEM Erp - SERIAL NUMBER ENDING BC (GC 41-470-73), 818 SYSTEM Erp - SERIAL NUMBER ENDING CC (GC 41-470-73), 824 SYSTEM Erp - SERIAL NUMBER ENDING BC (GC 41-470-74), 824 SYSTEM Erp - SERIAL NUMBER ENDING CC (GC 41-470-74)
manualmanualBAXI appliance manual — 825 COMBI Erp - SERIAL NUMBER ENDING AC (GC 47-077-38), 830 COMBI Erp - SERIAL NUMBER ENDING AC (GC 47-077-39), 836 COMBI Erp - SERIAL NUMBER ENDING AC (GC 47-077-40)
manualmanualBAXI appliance manual — 825 COMBI Erp - SERIAL NUMBER ENDING BC (GC 47-077-38), 825 COMBI Erp - SERIAL NUMBER ENDING CC (GC 47-077-38), 830 COMBI Erp - SERIAL NUMBER ENDING BC (GC 47-077-39), 830 COMBI Erp - SERIAL NUMBER ENDING CC (GC 47-077-39), 836 COMBI Erp - SERIAL NUMBER ENDING BC (GC 47-077-40), 836 COMBI Erp - SERIAL NUMBER ENDING CC (GC 47-077-40)
manualmanualBAXI appliance manual — ASSURE COMBI 25 - SERIAL NUMBER ENDING AC (GC 47-077-42), ASSURE COMBI 25 - SERIAL NUMBER ENDING BC (GC 47-077-42), ASSURE COMBI 25 - SERIAL NUMBER ENDING CC (GC 47-077-42), ASSURE COMBI 25 LPG - SERIAL NUMBER ENDING AC (GC 47-077-45), ASSURE COMBI 25 LPG - SERIAL NUMBER ENDING BC (GC 47-077-45), ASSURE COMBI 25 LPG - SERIAL NUMBER ENDING CC (GC 47-077-45), ASSURE COMBI 30 - SERIAL NUMBER ENDING AC (GC 47-077-43), ASSURE COMBI 30 - SERIAL NUMBER ENDING BC (GC 47-077-43), ASSURE COMBI 30 - SERIAL NUMBER ENDING CC (GC 47-077-43), ASSURE COMBI 30 LPG - SERIAL NUMBER ENDING AC (GC 47-077-46), ASSURE COMBI 30 LPG - SERIAL NUMBER ENDING BC (GC 47-077-46), ASSURE COMBI 30 LPG - SERIAL NUMBER ENDING CC (GC 47-077-46), ASSURE COMBI 36 - SERIAL NUMBER ENDING AC (GC 47-077-44), ASSURE COMBI 36 - SERIAL NUMBER ENDING BC (GC 47-077-44), ASSURE COMBI 36 - SERIAL NUMBER ENDING CC (GC 47-077-44), ASSURE COMBI 36 LPG - SERIAL NUMBER ENDING AC (GC 47-077-47), ASSURE COMBI 36 LPG - SERIAL NUMBER ENDING BC (GC 47-077-47), ASSURE COMBI 36 LPG - SERIAL NUMBER ENDING CC (GC 47-077-47)
manualmanualBAXI appliance manual — ASSURE SYSTEM 12KW - SERIAL NUMBER ENDING AC (GC 41-470-85), ASSURE SYSTEM 12KW - SERIAL NUMBER ENDING BC (GC 41-470-85), ASSURE SYSTEM 12KW - SERIAL NUMBER ENDING CC (GC 41-470-85), ASSURE SYSTEM 15KW - SERIAL NUMBER ENDING AC (GC 41-470-86), ASSURE SYSTEM 15KW - SERIAL NUMBER ENDING BC (GC 41-470-86), ASSURE SYSTEM 15KW - SERIAL NUMBER ENDING CC (GC 41-470-86), ASSURE SYSTEM 18KW - SERIAL NUMBER ENDING AC (GC 41-470-87), ASSURE SYSTEM 18KW - SERIAL NUMBER ENDING BC (GC 41-470-87), ASSURE SYSTEM 18KW - SERIAL NUMBER ENDING CC (GC 41-470-87), ASSURE SYSTEM 18KW LPG - SERIAL NUMBER ENDING AC (GC 41-470-92), ASSURE SYSTEM 18KW LPG - SERIAL NUMBER ENDING BC (GC 41-470-92), ASSURE SYSTEM 18KW LPG - SERIAL NUMBER ENDING CC (GC 41-470-92), ASSURE SYSTEM 24KW - SERIAL NUMBER ENDING AC (GC 41-470-88), ASSURE SYSTEM 24KW - SERIAL NUMBER ENDING BC (GC 41-470-88), ASSURE SYSTEM 24KW - SERIAL NUMBER ENDING CC (GC 41-470-88), ASSURE SYSTEM 24KW LPG - SERIAL NUMBER ENDING AC (GC 41-470-93), ASSURE SYSTEM 24KW LPG - SERIAL NUMBER ENDING BC (GC 41-470-93)
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