Bell &amp; Gossett PL-36 Series Pl Maintenance-Free Circulator， Flange Connection， 1/6 hp， 115V， Cast Iron<img src="http://ecx.images-amazon.com/images/I/51gHpq-vD8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Vy2LRVOHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41iaaOqY95L.jpg" noproxy>