Viair 90103 165/200 PSI Pressure Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pressure switch turns air compressor on at 165 PSI， off at 200 PSI</li><li>1/8 inch male NPT sensor port fitting plumbs directly to air tank/reservoir</li><li>For use with compressors up to 20 ampere (over 20 ampere， a relay must be used)</li><li>Two spade positive terminals for switch connection</li><li>Use thread locker only for installation (no Teflon tape)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41s9hm9ilPL.jpg" noproxy>