KegWorks - Tools for Drinking KegWorks - Tools for Drinking

You have no items in your shopping cart.

Perlick - ITEM # 43739AV

Perlick Inline Empty Keg Sensor - Stainless Steel

Roll Over Image to Zoom

Click to View Larger


In stock and ready to ship.

No one likes wasted beer or foamy kegs. This sensor detects an empty keg and shuts down beer flow, eliminating foam and unnecessary cleaning.


    This Perlick Inline Empty Keg Sensor, similar to a FOB, or Foam on Beer detector, eliminates the froth on beer that comes when one keg is empty. It also allows for immediate pouring of beer when a new keg is tapped.

    For commercial or residential tap systems, money is saved when the beer line is more efficient. This keg sensor shuts off the beer flow immediately when a keg is empty. This sensor will pay for itself within a few kegs after purchase. You’ll no longer have to waste time, beer, and money by pouring out glasses of foam each time a keg is switched.

    This item upgrades on and eliminates the need for a wall-mounted beer FOB. It requires less frequent cleaning and its stainless-steel design is much more durable than standard plastic FOBs.

    Perlick, a family-owned business since 1917, provides award-winning products that optimize energy use and increase durability to help their commercial customers maximize the profitability of their beverage service operations. Perlick also provides residential products for beverage systems, undercounter refrigeration, and brewery fittings.

    • Also known as a FOB (Foam on Beer) detector
    • Stainless steel design
    • Shuts down beer flow immediately when keg is empty
    • Save beer and eliminate foamy keg pours

    Free Expert Support


    Contact Customer Care
    • 5/8" Standard Beer Threading
    • Stainless steel
    • 4 7/16" Height
    • 14-40 PSI Operating Pressure
    Product Manual
    Shipping & Delivery

    Related Products
    Customer Reviews
    There are no reviews for this item. Write Review
    Questions & Answers
    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 1 question Browse 1 question and 2 answers
    Appears you need significant clearance between the keg coupler and ceiling of a typical home kegerator, so maybe the Perlick Inline Empty Keg Sensor doesn’t work for a home kegerator? I’d love to have this feature if there was a way it’d fit.
    Charles G on Dec 28, 2018
    BEST ANSWER: Hi Charles, The manufacturer does not recommend that the keg sensor be mounted horizontally.

    There are actually two mounting options, either keg mounted or wall mounted. I consulted with out draft system expert here and to install it in a kegerator you would run a 3/8" ID vinyl beer line jumper from the coupler to a wall bracket that has the EKS mounted to it. Below is a link to the install manual from the manufacturer for more information. Hope this helps!
    Wall Bracket w/ Male Beer Thread - Stainless Steel
    Wall Bracket w/ Male Beer Thread - Stainless Steel
    Jockey Box Beer Line Jumper - 3/8
    Jockey Box Beer Line Jumper - 3/8" ID - 5' Vinyl Hose w/ Connectors
    Recommended Products

    About Backorders

    This item is currently out of stock but we're expecting more soon.

    For an estimated ship date, please contact Customer Care at 877.636.3673 or email

    Click here for additional shipping information.