Orbit WaterMaster Underground 51241 3/4-Inch Plastic Auto Drain Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Easy to install</li><li>3/4-inch male threaded</li><li>Opening pressure: 3 to 5 psi (0，2 to 0，34 bars)</li><li>Closing pressure: 5 psi (0，34 bars) or greater</li><li>For outdoor use with cold water only</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41a%2BKoOJhnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nhB9%2BBqVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31H-inrHm-L.jpg" noproxy>