Baxi
Baxi Filling Loop Assembly 248221
Baxi 248221 filling loop assembly for compatible Baxi combi and system boilers.
At a glance
- Also known as N1618
Showing prices
£63.19
£52.66 ex. VAT · VAT at 20%
In stock
Cut-off passed — dispatches next 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 Filling Loop Assembly, part number 248221, is a filling loop kit for Baxi combi and system boilers. It is used to connect the mains water supply to the heating circuit so a sealed system can be filled and pressurised. The assembly is listed under isolation valves in the Baxi spares range.
Signs this part needs replacing
- Visible leaks or weeping from the filling loop body, valves or connections.
- System pressure will not hold or cannot be raised using the filling loop.
- The filling loop valve does not shut off fully or water continues to pass when closed.
- Stiff, seized or damaged valve handle or mechanism.
- Corrosion, scale or physical damage around the assembly.
Before you order
- Confirm the boiler make, model and, where listed, serial number against the Fits section.
- Check that the existing filling loop assembly is identified as Baxi part 248221.
- Isolate the boiler and depressurise the heating system before removal.
- Check access and connection arrangements on the appliance before ordering.
Mechanical
| Part type | FILLING DEVICES |
|---|
Compliance
| Manufacturer part number (MPN) | 248221 |
|---|---|
| GC number | E66-509 |
| Alternative numbers | N1618 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 424 COMBI 2 | 47-077-51 | 47-077-51 | — | — |
| BAXI 424 ERP COMBI 2.1 | 47-077-74 | 47-077-74 | — | — |
| BAXI 424 LPG COMBI 2 | 47-077-53 | 47-077-53 | — | — |
| BAXI 430 COMBI 2 | 47-077-52 | 47-077-52 | — | — |
| BAXI 430 ERP COMBI 2.1 | 47-077-75 | 47-077-75 | — | — |
| BAXI 430 LPG COMBI 2 | 47-077-54 | 47-077-54 | — | — |
| BAXI 436 ERP COMBI 2.1 | 47-077-76 | 47-077-76 | — | — |
| BAXI COMBI 105E | 47-075-08 | 47-075-08 | — | — |
| BAXI COMBI 105HE | 47-075-18 | 47-075-18 | — | — |
| BAXI COMBI 80 ECO | 47-075-05 | 47-075-05 | — | — |
Showing 10 of 56 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 — 424 COMBI 2 (GC 47-077-51), 424 LPG COMBI 2 (GC 47-077-53), 430 COMBI 2 (GC 47-077-52), 430 LPG COMBI 2 (GC 47-077-54)
manualmanualBAXI appliance manual — COMBI 105E (GC 47-075-08), COMBI 80E (GC 47-075-06)
manualmanualBAXI appliance manual — COMBI 105HE (GC 47-075-18)
manualmanualBAXI appliance manual — COMBI 80 ECO (GC 47-075-05)
manualmanualBAXI appliance manual — COMBI 80 MAXFLUE (GC 47-075-07)
manualmanualBAXI appliance manual — COMBI INSTANT 105E (GC 47-075-09), COMBI INSTANT 80E (GC 47-075-13)
manualmanualBAXI appliance manual — PLATINUM COMBI 24 HE A - AFTER SERIAL No. BMY 0815 (GC 47-075-31), PLATINUM COMBI 28 HE A - AFTER SERIAL No. BNC 0932 (GC 47-075-32), PLATINUM COMBI 33 HE A - AFTER SERIAL No. BNE1112 (GC 47-075-33)
manualmanualBAXI appliance manual — PLATINUM COMBI 24 HE A - BEFORE SERIAL No. BMY 0815 (GC 47-075-31), PLATINUM COMBI 28 HE A - BEFORE SERIAL No. BNC 0932 (GC 47-075-32), PLATINUM COMBI 33 HE A - BEFORE SERIAL No. BNE1112 (GC 47-075-33)
manualmanualBAXI appliance manual — SYSTEM 35/60 (GC 41-075-18), SYSTEM 60/100 (GC 41-075-19)
manualmanualPOTTERTON appliance manual — GOLD COMBI 24 HE (GC 47-590-05), GOLD COMBI 28 HE (GC 47-590-06), GOLD COMBI 33 HE (GC 47-590-19)
manualmanualPOTTERTON appliance manual — GOLD COMBI ErP 24 - SERIAL No. ENDING AC (GC 47-393-43), GOLD COMBI ErP 24 - SERIAL No. ENDING BC (GC 47-393-43), GOLD COMBI ErP 24 - SERIAL No. ENDING DC (GC 47-393-43), GOLD COMBI ErP 24 - SERIAL No. ENDING EC (GC 47-393-43), GOLD COMBI ErP 28 - SERIAL No. ENDING AC (GC 47-393-44), GOLD COMBI ErP 28 - SERIAL No. ENDING BC (GC 47-393-44), GOLD COMBI ErP 28 - SERIAL No. ENDING DC (GC 47-393-44), GOLD COMBI ErP 28 - SERIAL No. ENDING EC (GC 47-393-44), GOLD COMBI ErP 28 LPG - SERIAL No. ENDING AC (GC 47-393-45), GOLD COMBI ErP 28 LPG - SERIAL No. ENDING BC (GC 47-393-45), GOLD COMBI ErP 28 LPG - SERIAL No. ENDING DC (GC 47-393-45), GOLD COMBI ErP 28 LPG - SERIAL No. ENDING EC (GC 47-393-45), GOLD COMBI ErP 33 - SERIAL No. ENDING AC (GC 47-393-46), GOLD COMBI ErP 33 - SERIAL No. ENDING BC (GC 47-393-46), GOLD COMBI ErP 33 - SERIAL No. ENDING DC (GC 47-393-46), GOLD COMBI ErP 33 - SERIAL No. ENDING EC (GC 47-393-46)
manualmanualPOTTERTON appliance manual — GOLD COMBI HE A 24 - AFTER SERIAL No. BMX 0815 AND AFTER GNH 0815 (GC 47-393-18), GOLD COMBI HE A 28 - AFTER SERIAL No. BNF 0932 AND AFTER GNK 0932 (GC 47-393-19), GOLD COMBI HE A 33 - AFTER SERIAL No. GNL1112 (GC 47-393-20)
manualmanualPOTTERTON appliance manual — GOLD COMBI HE A 24 - BEFORE SERIAL No. BMX 0815 AND GNH 0815 (GC 47-393-18), GOLD COMBI HE A 28 - BEFORE SERIAL No. BNF 0932 AND GNK 0932 (GC 47-393-19), GOLD COMBI HE A 33 - BEFORE SERIAL No. GNL 1112 (GC 47-393-20)
manualmanualPOTTERTON appliance manual — PERFORMA 24 (GC 47-393-06)
manualmanualPOTTERTON appliance manual — PERFORMA 28 (GC 47-393-07)
manualmanualPOTTERTON appliance manual — PERFORMA 28I (GC 47-393-08)
manualmanualPOTTERTON appliance manual — PERFORMA SYSTEM 12E (GC 41-590-88), PERFORMA SYSTEM 18E (GC 41-590-89), PERFORMA SYSTEM 24E (GC 41-590-90), PERFORMA SYSTEM 28E (GC 41-590-91)
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