Compatible seals, gaskets and O-rings for boilers – matched by brand, OEM reference, material and size.
Choose by
- Compatible brand: Vaillant · Bulex · Saunier Duval · Universal
- Material: EPDM · NBR · fibre · silicone
- Type: O-ring · flat seal · flange gasket · burner-door gasket
- Size: exact ID x cord (mm), or DN
How to choose the right one
- Match the OEM reference if you have it.
- Match material to duty (EPDM for water, NBR for oil, fibre for high-temp gaskets).
- Measure the seal – inner diameter and cord (or thickness x width) – if the OEM reference is not on hand.