Keg Changeover Best Practices Guide (Including Beer FOB Usage)

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Proper keg changeovers are crucial for minimizing waste, maintaining beer quality, and ensuring smooth bar operations. One of the best tools for reducing foam loss during keg switches is a Beer FOB (Foam on Beer) Detector. This guide walks you through the optimal keg changeover process, including how to use a Beer FOB to eliminate foam waste and improve efficiency.

Why Keg Changeovers Matter

Every keg change presents risks of spillage, foam waste, and contamination. By following best practices—including using a Beer FOB system—you can:

  • Reduce beer waste and save money
  • Maintain beer freshness and quality
  • Prevent excessive foam and overpouring
  • Ensure a smooth and efficient bar operation

Step-by-Step Keg Changeover Process

  1. Preparation:
  • Have a clean, sanitized keg coupler ready.
  • Shut off the CO₂ supply to prevent excessive foaming.
  • Ensure the replacement keg is at the proper temperature (34-38°F).
  • If using a Beer FOB, make sure it is installed and functioning.
  1. Disconnecting the Empty Keg:
  • Pull the keg coupler handle out and up to disengage.
  • Twist and remove the coupler from the empty keg.
  • Wipe the coupler clean to remove residue.

Using a Beer FOB?

  • The FOB will automatically stop beer flow when the keg is empty, preventing foam from entering the beer lines.
  • No need to drain excess foam manually, saving up to a pint of beer per change!
  1. Connecting the New Keg (With Beer FOB):
  • Align the keg coupler with the new keg’s valve and twist it securely into place.
  • Push the handle down to engage the new keg.
  • Turn the CO₂ supply back on to re-pressurize the system.
  1. Resetting the Beer FOB:

If your system includes a Beer FOB Detector, follow these steps:

  • Close the vent knob or button on the FOB.
  • Press the release valve to allow beer to fill the FOB chamber.
  • Once the chamber is full of beer (no foam), open the vent knob.
  • The beer line will now resume normal flow without foam loss.
  1. Flushing the Line (if needed):
  • If your system does not have a Beer FOB, pour a small amount of beer to remove foam.
  • Check for smooth, foam-free pouring before serving.
  1. Monitoring for Issues:
  • Listen for any hissing sounds (indicating leaks).
  • Ensure the beer flows properly with minimal foam.
  • Adjust CO₂ pressure if needed (typically 10-14 PSI for most beers).

Pro Tips for Reducing Beer Waste

  • Use a Beer FOB – Saves up to a pint of beer per keg change!
  • Rotate stock – Always use the oldest kegs first.
  • Use proper glassware – A clean, beer-ready glass prevents excess foaming.
  • Regularly clean lines – Dirty lines cause off-flavors and extra foam.
  • Train staff – Consistent training ensures all employees follow best practices.

How a Beer FOB Saves You Money

  • Eliminates foam waste when switching kegs.
  • Prevents downtime between keg changes.
  • Ensures every pint poured is saleable beer, not foam!

By implementing these best practices and using a Beer FOB, you can maximize profits, reduce waste, and serve perfect pints every time.