
When it comes to coffee making Bunn is one of the most trusted brands. Restaurants, hotels and other food service establishments rely on their commercial coffee makers to brew warm, delicious coffee in just minutes. We are going to go over on how to clean a Bunn coffee maker. But first,
Bunn has been a name in the American coffee industry since way back in the 1840’s, when Jacob Bunn started a grocery store in Springfield, Ill. As the decades pursued Bunn Family’s business continued to grow and expand until by the 1950’s, it had become one of the most prominent coffee maker and beverage dispenser companies in America.
Why We Love Bunn Coffee Makers
There are many reasons but to name a few
1.) Bunn Coffee makers have stainless steel tanks with hot water ready for you at any moment. Water is kept at 200F an ideal brewing temperature. This gives coffee rich, robust flavor with zero bitterness.
2.) An advanced spray head feature dissipates the water over the coffee evenly so the ground coffee is set apart just the right way.
3.) Bunn Coffee Makers are great with timing. They have a fast brew cycle which exposes the water to the ground coffee beans for the perfect length of time. Another detail that enriches the taste of the coffee.
So those are some of the three reasons why we love Bunn Coffee Makers. They are one of the best if not the best coffee makers in the world for a reason.
Three types of Bunn Coffee Makers
Modern Bunn Coffee Makers are made in 3 lines and each of them have a different design
1.) Speed Brew Line
This line delivers brew technology that brews coffee in 4 minutes. This line stores water and heats it all the time. This is good for people who drink a-lot of coffee. It has a drip-free and multi stream spray head too. It has a brew funnel, lid, internal hot water tank, drip free carafe, warmer plate, spray head, pour in bowl, thermal carafe with lid and base.
2.) Heat n Brew Coffee Makers
You pour the water in like traditional small coffee makers. It does not release the water until the water is 200F in the coffee maker and then it releases the water providing a great brew. It takes longer than the speed brew because water has to reach 200 F but it is programmable so you could set it in advance.
Key parts: Top tank with flip lid, brew funnel, spray head carafe, and warmer plate.
3.) My Cafe Single Serve Machine
This model of a Bunn Coffee Maker has a simple yet modern design. It comes with K-cup pods and 4 replaceable drawers, so you can select the drink you like the most.
Key parts: Pour-in bowl with spin lid, stainless steel hot water tank and backsplash, spray head with seal, travel mug base, removable drip tray with the cover and 4 different types of drawers.
Cleaning Your Bunn Brewer
At the very least you should be cleaning your Bunn coffee maker after every use (pot and machine). You should wipe down the outside of the coffee maker regularly, and clean the whole brewer thoroughly every 3 months.





Supplies to use:
- Soft Cloths
- Mild detergent or soap
- Spray head cleaning tool
- Distilled water (descaling)
- White Vinegar (descaling)
Cleaning Your Bunn Coffee Maker
Step 1: Turn off the machine – turn the coffee maker off; and unplug the unit from the wall outlet.
Step 2: Clean the surfaces of the machine. Dampen a soft cloth in warm water and liquid detergent. Make sure the detergent is mild and non-abrasive. Use the damp cloth to thoroughly clean the surfaces of the Bunn Coffee Maker.
Step 3: Rinse and dry the surfaces of the machine. Dampen a second soft cloth in just warm water and use it to rinse the surfaces of the machine. Then, take a dry cloth to dry off the machine.
Step 4: Remove and clean the spray head. Detach the coffee maker’s spray head using the pointed end of the spray head cleaning tool, carefully remove mineral deposits from the holes in the spray head.
Step 5: Clean the spray head fitting. With the spray head off. Insert the long end of the cleaning tool into the spray head fitting. Rotate the tool several times until mineral deposits are cleaned off.
Step 6: Clean The ByPass Fitting: Insert the long end of the cleaning tool into the bypass fitting. Rotate the tool several times until mineral deposits are cleaned off. Wipe off any residue with a cloth and reattach the spray head.
Deep Cleaning Process
Descaling is a process that helps remove mineral and hard water deposits throughout the Bunn Machine. This deep cleaning should be done once every 3 months or at least once a month in areas with hard water.
Five Steps To Deep Cleaning Your Bunn Coffee Maker (descaling)
Step 1 – Mix vinegar with distilled water and fill it into an entire coffee pot. Be sure to split the mixture into 1/3 vinegar and 2/3 distilled water.
Step 2 – Start A Brewing Cycle – Pour the descaling solution in the water reservoir and start a brewing cycle. This will let the mixture remove lime and mineral deposits from inside the coffee machine.
Step 3 – Discard the brewed cleaner- Once the pot is full of your brewed descaling solution, dispose of it.
Step 4- Clean the spray head and fittings. Turn the Bunn Coffee Maker off, and unplug the unit from the wall outlet. Then, clean the spray head and its open fittings. Start by removing the head and using the pointed end of the spray head cleaning tool to remove deposits from the open holes. Next, use the long head of the tool to clean the spray head and bypass fitting.
Step 5– Perform Rinse Cycles. Reattach the spray head, and plug the machine back into the power outlet. Once it’s turned back on, fill a pot with distilled water and pour it into the machine’s reservoir. Start another brew cycle to help remove any lingering odors or flavors left by the descaling solution. Repeat if necessary until aromas subside.
Other Models
Other models of Bunn coffee makers require special attention because they have different and more sensitive parts.
The Speed Brew Line Coffee Maker When Deep Cleaning

For this model do not use an abrasive cleaning device to clean the carafe, because it will scratch the stainless steel.
You can also remove the brew through valve if you want on the thermal carafe lid and clean with mild, non-abrasive detergent. To remove the valve, lift at the edge and pull up. Be sure to clean the passage where the valve is located.
The Water Probes On My Carafe
These models come with two water probes in the pour in bowl and they should be given extra care.
If your brewer seems to be louder than normal or keeps running after the brew. The water probes on your machine may be clogged. These water probes are designed to detect the amount of water in the pour in bowl. Mineral build up from the water may cause the probes to become clogged causing them to incorrectly read water level in bowl.
Items you’ll need to clean your machines water probes are:
- Phillips Head Screw Driver
- Toothbrush or textured sponge
Step 1 – Unplug the brewer and allow it to cool for at-least one hour.
Step 2- Open spin lid
Step 3- Using a Phillip screw driver. Remove the two screws in the pour in bowl
Step 4 – Remove top of pour in bowl
Step 5 – Scrub the probes and surrounding area with a textured sponge or a toothbrush.
Step 6 – Replace top of pour in bowl
Step 7 – Re install the screws to the pour in bowl lid with Phillips Screw driver. Close spin lid
Step 8 – Plug in brewer.
You are ready to go.

Bunn Maintenance Tips
You should clean your machines brew funnel and decanter on a daily basis. Also the coffee pots and filters are dishwasher friendly. Just place them upside down on the top rack and remove the lid of the coffee pot because the lid is not dishwasher friendly. Use a mild detergent because detergents with strong fragrances can linger in the coffee pot for sometime after being dish washed causing a change in taste when brewing new coffee.
This is one of the reasons why Bunn coffee makers are so popular is because they are dish washer safe. And that is How To Clean A Bunn Coffee Maker. These things are durable and very efficient which is also why they are so popular. They may not be to aesthetically pleasing but they perform the work perfectly. We do not own Bunn coffee makers as a business we are actually a vending machine company. We do sell cold brew coffee in our vending machines though. If you want to find out more about our vending machines Miami check us out.