The Vaillant 981253 is a genuine EPDM sealing ring designed for secure, long-lasting sealing in Vaillant flue and heating system components. Manufactured to Vaillant’s OEM standards, this DN 80 x 16 ring provides excellent resistance to heat, pressure, and combustion by-products—ensuring a reliable, airtight connection.

Perfect for replacing worn, cracked, or damaged seals, this EPDM gasket helps maintain safe boiler operation, prevent flue gas leakage, and ensure system efficiency.

Key Features:

• Genuine Vaillant EPDM sealing ring

• Size: DN 80 x 16

• High resistance to heat, pressure & combustion gases

• Ensures airtight, secure sealing in flue and system joints

• Helps prevent flue gas escape & system inefficiency

• Durable, long-life elastomer construction

• Ideal for routine maintenance and part replacement

Suitable For

• Vaillant boilers and flue systems requiring DN 80 x 16 EPDM rings

• Replacing worn or damaged seals

• Maintaining airtight flue connections

• General heating engineer service work

(Installers should always verify compatibility using the boiler’s official parts list.)