Pentair 472183 Violet Air Pressure Switch Replacement MiniMax Pool and Spa Heater<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Air pressure switch replacement</li><li>Fits Pentair MiniMax NT STD， NT STD ASME natural gas pool and spa heater model 400</li><li>Also fits Pentair MiniMax NT STD， NT STD ASME propane gas pool and spa heater model 400</li><li>Available in violet color</li><li>1.35 Setting</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41n3SMOyNSL.jpg" noproxy>