Pentair 472101 Complete Millivolt Probe Thermistor Replacement MiniMax CH Series Pool and Spa Heater<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Complete millivolt probe thermistor replacement</li><li>Fits Pentair MiniMax CH series pool and spa heater models 150， 200， 250， 300， 350， 400</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41EM8zTmhFL.jpg" noproxy>