Baxi
Baxi 5114781 Wiring Harness V3V/Pump/Gas Valve
Baxi wiring harness for the V3V, pump and gas valve connections on compatible Baxi and Potterton gas boilers.
At a glance
- Part type: Wiring
Showing prices
£46.80
£39.00 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 5114781 is a wiring harness classed as wiring, supplied under the product name V3V/PUMP/GAS VALVE WIRING. It connects the three-way valve (V3V), pump and gas valve circuits within compatible Baxi and Potterton gas boiler families.
Before you order
- Confirm your boiler model and serial number against the fits list above, as several entries are serial-number dependent.
- Check the appliance's GC number where shown in the catalogue listing to confirm the correct variant.
- Compare the harness plug layout with the existing loom before fitting.
Compliance
| GC number | H29-003 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI PLATINUM COMBI 24 HE A - AFTER SERIAL No. BMY 0815 | 47-075-31 | 47-075-31 | — | — |
| BAXI PLATINUM COMBI 24 HE A - BEFORE SERIAL No. BMY 0815 | 47-075-31 | 47-075-31 | — | — |
| BAXI PLATINUM COMBI 28 HE A - AFTER SERIAL No. BNC 0932 | 47-075-32 | 47-075-32 | — | — |
| BAXI PLATINUM COMBI 28 HE A - BEFORE SERIAL No. BNC 0932 | 47-075-32 | 47-075-32 | — | — |
| BAXI PLATINUM COMBI 33 HE A - AFTER SERIAL No. BNE1112 | 47-075-33 | 47-075-33 | — | — |
| BAXI PLATINUM COMBI 33 HE A - BEFORE SERIAL No. BNE1112 | 47-075-33 | 47-075-33 | — | — |
| POTTERTON GOLD COMBI 24 HE | 47-590-05 | 47-590-05 | — | — |
| POTTERTON GOLD COMBI 28 HE | 47-590-06 | 47-590-06 | — | — |
| POTTERTON GOLD COMBI 33 HE | 47-590-19 | 47-590-19 | — | — |
| POTTERTON GOLD COMBI HE A 24 - AFTER SERIAL No. BMX 0815 AND AFTER GNH 0815 | 47-393-18 | 47-393-18 | — | — |
Showing 10 of 32 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 — 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)
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 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 — HEATMAX COMBI 24 HE (GC 47-393-27), HEATMAX COMBI 28 HE (GC 47-393-28), HEATMAX COMBI 33 HE - AFTER SERIAL No. FMN 1112 (GC 47-393-29), HEATMAX COMBI 33 HE - BEFORE SERIAL No. FMN 1112 (GC 47-393-29)
manualmanualPOTTERTON appliance manual — PROMAX COMBI PLUS 24 HE (GC 47-393-17), PROMAX COMBI PLUS 28 HE (GC 47-590-04), PROMAX COMBI PLUS 33 HE (GC 47-590-03)
manualmanualPOTTERTON appliance manual — PROMAX COMBI PLUS 24 HE A (GC 47-393-21), PROMAX COMBI PLUS 28 HE A (AFTER SERIAL NO. AWA 0919) (GC 47-393-22), PROMAX COMBI PLUS 28 HE A (BEFORE SERIAL NO. AWA 0919) (GC 47-393-22), PROMAX COMBI PLUS 33 HE A (AFTER SERIAL NO. ATY 1112) (GC 47-393-23), PROMAX COMBI PLUS 33 HE A (BEFORE SERIAL NO. ATY 1112) (GC 47-393-23)
manualmanualPOTTERTON appliance manual — PROMAX COMBI PLUS 24 HE LPG (GC 47-393-24)
manualmanualPOTTERTON appliance manual — TITANIUM 24 (GC 47-393-39), TITANIUM 28 (GC 47-393-40), TITANIUM 33 (GC 47-393-41), TITANIUM 40 (GC 47-393-42)
manualNo technical questions yet for this part.
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