Pentair 42001-0060S Water Pressure Switch Replacement both MasterTemp and Max-E-Therm Pool and Spa Heaters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Water pressure switch replacement</li><li>Fits Pentair MasterTemp Pool water system and spa heaters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xEMXnXYTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2B67jOzx4L.jpg" noproxy>