O-ring 21x3.5 mm EPDM - 10 pcs - Baxi De Dietrich 7845245

These O-rings measure 21x3.5 mm and are made from EPDM material, offering excellent resistance to heat and water. The pack contains 10 pieces, making them suitable for multiple sealing applications in Baxi boilers. They are commonly used in heating equipment to prevent leaks and ensure a tight seal. Ideal for boiler maintenance and repair, these O-rings are a reliable spare part.