Give us the boiler, we give you the compatible spare parts. Every match on this site is either VERIFIED or HIGH CONFIDENCE – never a guess.
Step 1 – Manufacturer
Vaillant · Bulex · Saunier Duval · (more brands coming as we verify compatibility data)
Step 2 – Boiler family
Once you pick a manufacturer, we show only the families we have compatible parts for. No empty menus.
Step 3 – Exact boiler model
Type or pick the model code from the data plate (for example ecoTEC plus VCW 346/5-5). Not sure where to look? How to identify a boiler model from the data plate (guide coming golf 2).
Step 4 – Part type
Expansion vessel · Pressure sensor · Temperature sensor (NTC) · Flow sensor · Pump · Seal / gasket / O-ring · Service kit · Universal part.
We show the compatible replacement parts we stock, with your trade price after login.
Alternative: search by OEM number
Have the OEM reference (for example 0020059717)? Skip the wizard and use the search bar at the top of any page. Autocomplete resolves the OEM directly to the right product.
Back to search
Create a trade account
Can’t find the correct part?
Send us the boiler brand, model, serial number, OEM reference and a photo of the data plate + the failing part. We’ll come back with the correct compatible reference within one business day.