Pentair XFM3BK Transformer Assembly Replacement CP3800 ComPool Pool and Spa Automation Control System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Transformer assembly replacement</li><li>Fits Pentair Compool pool/spa automation control system model CP3800</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41PEbxDh-4L.jpg" noproxy>