As an Amazon Associate I earn from qualifying purchases.Updated: March 19, 2026
The Water Filter in your Breville Infuser BES840 is crucial for removing impurities from the water used to brew your coffee. Over time, these filters lose their effectiveness, leading to potentially unpleasant flavors in your drinks. Replacing the filter every six months ensures consistently delicious coffee and prolongs the life of your machine.
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Function: Removes chlorine, sediment, and other impurities from water for better tasting coffee.
Signs it needs replacing: Reduced water flow, slower brewing times, or a noticeable change in taste of your coffee.
OEM vs aftermarket: OEM filters (BWF100) are designed specifically for Breville machines but can be more expensive. Aftermarket filters are often cheaper but check reviews to ensure compatibility and quality.
Installation: Typically involves simply removing the old filter and snapping a new one in place. Instructions may be included with your replacement filter.
Replacement schedule: every 6 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance: replacing on the every 6 months schedule
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This Water Filter replacement is for owners of the Breville Infuser BES840XL whose coffee brewing performance has declined and who want to restore it to its original quality.
Not ideal for: If your Breville Infuser BES840 is experiencing multiple malfunctions or significant damage, a full device replacement may be more cost-effective in the long run.
Good to Know Before Buying
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Always confirm your exact model number (BES840XL) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Breville Infuser BES840 Water Filter?
The part number is BWF100. Always verify this matches your exact model (BES840XL) before ordering, as similar models may use different parts.
How often should I replace the Water Filter on my Breville Infuser BES840?
every 6 months
Will aftermarket Water Filter replacements work in my Breville Infuser BES840?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model BES840XL and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.