BUNN Coffee Machine Part O-RING 5.28X1.78 EPDM 291 (55300.1821) is a high-quality replacement gasket designed to ensure a reliable seal within your BUNN coffee brewer. Crafted from durable EPDM (ethylene propylene diene monomer) rubber, this O-ring offers excellent resistance to heat, water, and coffee oils, making it an ideal component for maintaining optimal machine performance. Its precise dimensions—5.28mm inner diameter and 1.78mm cross-section—guarantee a perfect fit, preventing leaks and ensuring consistent pressure during the brewing cycle.

Installing the BUNN O-RING 55300.1821 significantly enhances your coffee maker’s longevity and operational efficiency. By providing an airtight seal, it prevents drips and moisture build-up that could lead to mold or machine damage over time. This part is essential for maintaining the freshness and flavor integrity of your coffee by supporting the proper brewing environment. Compatible with a range of BUNN coffee machines, it is easy to install, allowing both professional technicians and home users to perform quick repairs and reduce downtime.

Specifically engineered for BUNN brewers, the O-RING 5.28X1.78 EPDM 291 meets stringent quality standards to ensure reliability in commercial and home settings. Its resistance to high temperatures up to 150°C (302°F) and chemical stability make it suitable for heavy-duty use. Whether you operate a café, office, or simply enjoy premium coffee at home, investing in this genuine BUNN replacement part via Kaldi.com helps maintain your machine’s peak brewing performance and protects your coffee investment. Order today to keep your BUNN coffee machine running smoothly and efficiently.