Vaillant
Vaillant Draft Diverter 509588
Vaillant 115 kW draft diverter, part 509588, for the Atmocraft VK 1154/9 gas boiler.
At a glance
- Appliance family: Atmocraft VK 1154/9
- Also known as 1378234
£221.08
£184.23 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 draft diverter (part 509588) is a flue component rated at 115 kW, used on the Atmocraft VK 1154/9 gas boiler. It manages the draught at the appliance's flue connection, helping to stabilise combustion and carry flue products safely away from the boiler. It is listed in the diverter valve category within gas boiler spares.
Signs this part needs replacing
- Flue products escaping at the diverter or draught readings outside the expected range
- Sooting, staining or heat damage around the flue connection
- Visible corrosion, distortion or cracking of the diverter body
- Boiler lockouts or combustion faults traced to the flue and draught path
- Rattling or movement at the diverter where it should sit secure
Before you order
- Confirm the appliance is an Atmocraft VK 1154/9 by checking the data plate
- Check the part number 509588 against the manufacturer's parts list for your model
- Verify the 115 kW rating matches the appliance before fitting
- Inspect the surrounding flue components for damage that may also need attention
Compliance
| Barcode / EAN | 4024074485415 |
|---|---|
| Alternative numbers | 1378234 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT atmoCRAFT VK 1154/9 (2004-2013) | — | — | — |
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.
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