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Keeping Your Kegerator in Top Shape: A Guide to Basic Maintenance

Keeping Your Kegerator in Top Shape: A Guide to Basic Maintenance

As a craft beer business owner, I know that a kegerator is a valuable investment for serving quality beer. However, like any piece of equipment, it requires regular maintenance to ensure optimal performance and longevity. In this guide, I will outline the basics of kegerator maintenance, covering cleaning, temperature control, CO2 management, and troubleshooting.

Cleaning Your Kegerator

Regular cleaning is essential to prevent mold, bacteria, and off-flavors in beer. The following steps should be taken to clean your kegerator:

  1. Turn off and unplug the kegerator.
  2. Remove all kegs and disconnect the beer lines from the keg coupler.
  3. Remove the faucets and disassemble them.
  4. Clean the interior of the kegerator using warm water and a mild detergent.
  5. Clean the beer lines using a cleaning solution, following the manufacturer's instructions.
  6. Soak the faucets and couplers in cleaning solution, then rinse and reassemble.
  7. Reconnect the beer lines and keg couplers, and insert the kegs back into the kegerator.

It is recommended to clean your kegerator every time you change the kegs, and at least every six months.

Temperature Control

Maintaining the correct temperature is crucial for storing and serving beer. The ideal temperature for most beers is between 38-40°F. To check and calibrate the temperature controls, follow these steps:

  1. Place a thermometer inside the kegerator, away from the cooling unit.
  2. Turn on the kegerator and wait for it to cool down to the desired temperature.
  3. Check the thermometer reading and adjust the temperature controls accordingly.
  4. Allow the kegerator to stabilize for at least 24 hours before checking the temperature again.

Different types of beer may require different serving temperatures, so it's essential to adjust the temperature controls accordingly.

CO2 Management

CO2 is critical for dispensing beer and maintaining carbonation. To ensure that your kegerator has enough CO2, follow these steps:

  1. Check the pressure gauge on the CO2 tank to ensure that it's not empty.
  2. Refill the CO2 tank as necessary, following the manufacturer's instructions.
  3. Adjust the CO2 pressure to achieve the desired carbonation level, following the manufacturer's recommendations.

It's recommended to check the CO2 pressure and refill the tank before tapping a new keg.


Even with regular maintenance, kegerators may encounter problems from time to time. Here are some common issues and how to diagnose them:

Problem Diagnosis Solution
Foamy beer Too much pressure or temperature is too high Adjust the CO2 pressure and check the temperature
Leaking faucet Loose or damaged parts Tighten or replace the parts
Low carbonation Insufficient CO2 pressure or beer is too cold Adjust the CO2 pressure or temperature

If you're unable to diagnose or fix the problem, seek professional repair or maintenance services.

In conclusion, regular maintenance is essential for keeping your kegerator in top shape and ensuring quality beer. By following these basic maintenance tips, you can enjoy great-tasting beer and prolong the lifespan of your kegerator. Cheers!


How often should you clean a kegerator?

It is recommended to clean your kegerator every six months, or after every keg change, to ensure the longevity of your equipment and the quality of your beer. However, if you notice any mold, mildew, or other build-up, you should clean your kegerator immediately.

How to clean a kegerator?

To clean your kegerator, follow these steps:

  1. Turn off and unplug the kegerator.
  2. Remove any kegs, beer lines, faucets, and other accessories.
  3. Clean the interior with warm, soapy water and a non-abrasive sponge or cloth.
  4. Rinse with clean water and dry with a towel.
  5. Clean the beer lines with a beer line cleaning kit.
  6. Soak the faucets in warm, soapy water for 15-20 minutes and rinse with clean water.
  7. Reassemble the kegerator and run clean water through the lines and faucets for a few minutes.
  8. Sanitize the kegerator with a sanitizing solution, following the manufacturer's instructions.
  9. Once sanitized, rinse with clean water and dry with a towel.
  10. Reconnect the keg, lines, and faucets, and turn the kegerator back on.

How to troubleshoot a kegerator?

If your kegerator is not working properly, try these troubleshooting tips:

  • Check to ensure the kegerator is plugged in and turned on.
  • Make sure the temperature control is set to the correct temperature.
  • Check the CO2 tank and regulator for leaks or damage.
  • Check the beer lines for any kinks or blockages.
  • Ensure the keg is properly seated and connected to the lines.
  • Check the faucet for any obstructions or damage.
  • If none of these steps work, consult the manufacturer's instructions or contact customer support.

How to adjust kegerator temperature?

To adjust the temperature of your kegerator, follow these steps:

  1. Locate the temperature control knob or digital display.
  2. Turn the knob or adjust the digital display to your desired temperature.
  3. Allow the kegerator to adjust to the new temperature for a few hours before checking the temperature again.
  4. If the temperature is still not at the desired level, adjust the temperature control again and wait a few more hours before checking.

How to replace a kegerator CO2 tank?

To replace a kegerator CO2 tank, follow these steps:

  1. Turn off and unplug the kegerator.
  2. Locate the CO2 tank and regulator.
  3. Turn the regulator counterclockwise to release the pressure and remove the CO2 tank from the kegerator.
  4. Dispose of the old tank in accordance with local regulations.
  5. Check the pressure rating and size of the old tank to ensure you purchase a compatible replacement.
  6. Purchase a new CO2 tank.
  7. Ensure that the new tank is properly filled before installing it.
  8. Install the new CO2 tank by threading it onto the regulator and turning it clockwise until it is snug.
  9. Turn the regulator clockwise to increase the pressure and check for leaks.
  10. Plug in and turn on the kegerator and allow it to cool for several hours before using it.

How do I know when to replace my kegerator CO2 tank?

A: The CO2 tank will need to be replaced when the pressure gauge reads empty, or the beer starts to pour foamy or flat.

Can I dispose of my old CO2 tank in the regular trash?

A: No, CO2 tanks are considered hazardous waste and must be disposed of in accordance with local regulations. Check with your local waste management authority for guidance.

What size CO2 tank should I purchase?

A: The size of the CO2 tank you purchase will depend on the size of your kegerator and the frequency with which you use it. It's best to consult with a professional or the manufacturer to determine the appropriate size for your specific needs.

Can I refill my CO2 tank instead of purchasing a new one?

A: Yes, you can refill your CO2 tank instead of purchasing a new one. Many homebrew supply stores offer CO2 tank refilling services. It's important to make sure the tank is inspected and tested for leaks before refilling it.

What do I do if there are leaks after replacing the CO2 tank?

A: If there are leaks after replacing the CO2 tank, turn off the kegerator and disconnect the tank. Check all connections and fittings for damage or wear and tighten as needed. Reconnect the tank and turn the kegerator back on to check for further leaks.

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