*PLUMBERSSTOCK EXPERT* responded:
Good day! Thanks for asking a question under our Mueller 1" Stop & Waste Valve with Threaded Top. It's a quarter turn counter-clockwise to turn the valve on. Hope this helps! As our valued customer, you can take advantage of our exciting deals and special discounts. Please sign up for our newsletter by entering your email address in the field provided below and get the latest updates on PlumbersStock's exclusive promotions. Thanks for choosing PlumbersStock.com as your online shopping buddy. Have a great day!