How often should jumper lines be replaced in a direct draw system?

In a direct draw system, jumper lines—typically used to connect the beer keg to the faucet—should be replaced annually to maintain optimal beer quality and safety. Over time, these lines can develop a buildup of bacteria, yeast, and biofilm, which can negatively impact the flavor and clarity of the beer.

Replacing the jumper lines on an annual basis ensures that any potential contaminants are minimized and that the system remains in good working order. Regular maintenance, including line replacements, is vital for preventing off-flavors and maintaining the integrity of the beer being served. This schedule also aligns with general recommended practices for draft beer systems, which emphasize the importance of sanitation and cleanliness.

While other intervals, such as monthly, every six months, or every two years, may seem reasonable in some contexts, they do not align with best practice recommendations geared toward optimal quality and health standards in serving draft beer.