
Vaillant
Vaillant Pilot Burner Nozzle 040550
Vaillant pilot burner nozzle, 0.18 mm diameter, for LPG boilers and water heaters.
At a glance
- Also known as 1372361
£9.60
£8.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 040550 pilot burner nozzle is a metering injector fitted to the pilot burner assembly of Vaillant LPG appliances. It controls the gas flow to the pilot flame, with a bore diameter of 0.18 mm. It is used across a range of Vaillant MAG and SINE boiler and water heater models.
Signs this part needs replacing
- The pilot flame will not stay lit or extinguishes shortly after ignition
- A weak, undersized or unstable pilot flame
- Sooting or discolouration around the pilot burner assembly
- Difficulty lighting the pilot, or repeated lockouts on ignition
- Pilot flame height that cannot be corrected by adjustment alone
Before you order
- Confirm your appliance model against the fitment list above
- Check that the appliance is running on LPG, as this nozzle is sized for LPG
- Verify the existing nozzle bore marking matches 0.18 mm
- Cross-check the part number 040550 on the appliance's parts list before ordering
Compliance
| Barcode / EAN | 4024074055151 |
|---|---|
| Alternative numbers | 1372361 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT MAG 125/11 OZ (1997-1999) | — | — | — | |
| VAILLANT MAG 125/11 XZ (1997-1999) | — | — | — | |
| VAILLANT MAG 125/7 (1990-1999) | — | — | — | |
| VAILLANT MAG 125/7 A (1990-1999) | — | — | — | |
| VAILLANT MAG 125/7 AN (1990-1999) | 51-044-13 | 51-044-13 | — | — |
| VAILLANT MAG 125/7 N (1990-1999) | 51-044-11 | 51-044-11 | — | — |
| VAILLANT MAG 125/7 SO25 (1977-1996) | — | — | — | |
| VAILLANT MAG 125/7.1 (1990-1999) | — | — | — | |
| VAILLANT MAG 14-0/0 XZ (2004-2009) | — | — | — | |
| VAILLANT MAG 250/7 W (1977-1992) | — | — | — |
Showing 10 of 32 compatible appliances.
Documents & drawings
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