Vaillant Support 509556

Casing support rated at 115 kW for the Vaillant Atmocraft VK 1154/9 gas boiler. Vaillant part number 509556.

At a glance

Also known as 1378170

Manufacturer part no.

509556

Showing prices

£129.02

£107.52 ex. VAT · VAT at 20%

Available to order · 7 working days

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 team Send 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 Vaillant 509556 is a casing support rated at 115 kW, used on Vaillant Atmocraft VK 1154/9 gas boilers. It is a support component within the boiler casing assembly. Vaillant part number 509556.

Signs this part needs replacing

Visible corrosion, rust or pitting on the support
Bending, distortion or cracking of the support
Casing panels sitting loose, misaligned or failing to seat correctly
Difficulty refitting or securing casing panels after service work

Before you order

Confirm the appliance is a Vaillant Atmocraft VK 1154/9
Check part number 509556 against the manufacturer's parts list for your model
Inspect the existing support to confirm it is the component at fault
Note the appliance build range (2004-2013) when checking compatibility

Can't find yours? Call 01302 279234

Make	Model / assembly	Reference	Years	Fitment
VAILLANT atmoCRAFT VK 1154/9 (2004-2013)	—		—	—

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.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.

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Barcode / EAN	4024074485095
Alternative numbers	1378170