Cleaning Your Bunn Coffee Maker: Step-by-Step Instructions

Emily Jul 26, 2026

Are you a dedicated coffee lover who uses a Bunn coffee maker for your daily brew? To ensure your coffee maker keeps delivering that perfect cup, it's essential to keep it clean. A regular cleaning routine helps maintain your Bunn's performance, prolongs its lifespan, and keeps your coffee tasting fresh and delicious. Here's a comprehensive guide on how to clean your Bunn coffee maker efficiently and safely.

a blender sitting on top of a kitchen counter next to a bottle of milk
a blender sitting on top of a kitchen counter next to a bottle of milk

Before diving into the cleaning process, make sure to unplug your Bunn coffee maker from the power source and let it cool down completely to avoid any potential burns or injury. Once the machine is cooled, follow these step-by-step instructions to clean it thoroughly.

4 Easy Ways to Clean a Bunn Coffee Maker
4 Easy Ways to Clean a Bunn Coffee Maker

Exterior Cleaning

Start by cleaning the exterior of your Bunn coffee maker. Having a clean exterior not only enhances the appearance of your coffee maker but also prevents grime from entering the internal components during the cleaning process.

How to Clean a Bunn Coffee Maker? - CleanerProfy
How to Clean a Bunn Coffee Maker? - CleanerProfy

1. Using a damp cloth or sponge, gently wipe the exterior surfaces, including the control panel and drip tray. For stubborn grime or greasy spots, use a mild dish soap or a multi-purpose cleaner, ensuring it's safe for stainless steel if that's the material of your coffee maker.

Cleaning the Drip Tray

Clean a Bunn NHBX-B 10-Cup Coffee Maker Properly
Clean a Bunn NHBX-B 10-Cup Coffee Maker Properly

Remove the drip tray from the coffee maker and clean it thoroughly. The drip tray can accumulate coffee grounds, scale, and other residues over time, so it's essential to clean it properly.

1. Empty the drip tray and rinse it under warm running water. You can also soak it in a mixture of warm water and dish soap for a while to help disintegrate any stubborn residue.

Cleaning the Control Panel

How To Clean A Bunn Coffee Maker
How To Clean A Bunn Coffee Maker

The control panel can get dirty due to fingertips and spills. A regular clean-up helps maintain its functionality and keeps your coffee maker looking fresh.

1. Turn off and unplug your Bunn coffee maker. Take a damp cloth or cotton swab with a small amount of mild detergent and gently rub the control panel, avoiding the buttons to prevent liquid damage. Wipe dry and let it air dry completely before plugging it back in.

Internal Cleaning

How to Clean Bunn Coffee Maker with Vinegar (Step by Step Guide) - She Kitchens
How to Clean Bunn Coffee Maker with Vinegar (Step by Step Guide) - She Kitchens

Regularly cleaning the internal components of your Bunn coffee maker is crucial to maintain its performance and prevent the buildup of scale and residue, which can affect the taste of your coffee.

1. Fill the water reservoir with a mixture of equal parts white vinegar and water. If your Bunn coffee maker has an indicator for cleaning, follow the manufacturer's instructions.

a bunn coffee maker sitting on top of a counter next to an orange cup
a bunn coffee maker sitting on top of a counter next to an orange cup
How to Clean Your Coffee Maker Without Vinegar
How to Clean Your Coffee Maker Without Vinegar
How to Clean a BUNN Coffee Maker with Vinegar - EatDrinkRabbit
How to Clean a BUNN Coffee Maker with Vinegar - EatDrinkRabbit
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HOW TO DESCALE / CLEAN BUNN VELOCITY BREW 10 CUP COFFEE MAKER NHS-B DESCALE WITH VINEGAR
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How To Clean A Bunn Coffee Maker - Hunker
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How To Clean A Bunn Commercial Coffee Maker Espresso Machine
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how to clean your coffee maker
how to clean your coffee maker
a poster with instructions on how to make coffee
a poster with instructions on how to make coffee

Descaling and Degreasing

Hard water or frequent use can lead to mineral buildup (scale) inside your coffee maker, affecting its performance. Descaling helps remove these minerals, while degreasing ensures that all oil residues are eliminated.

1. Run a full brew cycle with the vinegar-water mixture, then let it sit for about 30 minutes. After that, run another full brew cycle with fresh water to rinse the system thoroughly. Repeat this process until the vinegar smell is completely gone.

Cleaning the Brew Tank and Filter Basket

The brew tank and filter basket are the parts that come into direct contact with your coffee grounds and water. Regular cleaning ensures your coffee maintains its fresh taste and prevents the accumulation of coffee residue and scale.

1. Remove and discard any remaining coffee grounds and the coffee filter. Clean the brew tank and filter basket with warm, soapy water, using a soft brush or sponge to scrub away any residue. Rinse thoroughly and allow them to air dry completely before assembling them back into the coffee maker.

Congratulations! You've successfully cleaned your Bunn coffee maker, ensuring it continues to brew delicious coffee for you. Following this cleaning routine every 2-4 weeks will help keep your machine in top shape. Incorporate these steps into your regular coffee-making routine, and enjoy a perfectly clean and potent cup of joe every time. Happy brewing!