About, from William’s Brewing: “This stainless three way ball valve features three 1/2″ female BST ports, and is great for both switching flow directions, and for venting air out of a wort line using a March or Chugger pump. Red indicator arrows indicate flow (this is an L type 3 way and only two ports can be open at once), and the handle goes completely around, so any port can be selected or shut off. Be sure to use teflon tape to seal the threads.”
As of this posting, William’s has this marked down $20 to $19.99. Check product page for up to the minute price and availability.
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