Industry leading customers have depended upon the reliability and performance of the P400 Series since 1989. The P400 Series incorporates Wasco’s proprietary manufacturing method which we have perfected over the last three decades. The steel body construction and manufacturing method make this a perfect switch for high pressure and demanding applications. This series has multiple O-ring options to
accommodate different media. This series is a rugged and reliable pressure switch that is perfect for systems that require a wide set point range.