Micro Matic Replacement Vent Assembly for Core FOB DetectorsThe Core FOB Vent Assembly is a critical replacement part for Micro Matic and other standard Foam On Beer (FOB) detectors. This assembly manages the venting of gas from the FOB chamber, allowing the float to reset after a keg change. A failing vent can cause gas to enter the beer line or prevent the FOB from correctly detecting a full line, leading to significant product waste and foaming issues. Technician's Note: If your FOB is "bleeding" beer