Hayward SMX306000023 Defrost Air Sensor Replacement for Hayward Heatpro and Summit Heat Pool Pumps<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Defrost air sensor replacement</li><li>Fits hayward heatpro and sumit heat pump model hp21404t</li><li>Weighs 0.2-pound</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51DP49it8YL.jpg" noproxy>