Industry leading customers have depended upon the reliability and performance of the P250 Series since 1989. The P250 Series incorporates Wasco’s proprietary manufacturing method which we have perfected over the last three decades. The steel body construction and manufacturing method make the P250 a perfect series 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 high accuracy and tight tolerance.