Inquiry (采购产品): l15-7029 i need a diagram of this pump. we are replacing a older version of this pump and have an extra port we have looked everywhere please advise if you can help thanks, darlene **** Hidden Message ***** darlene pannell GA 30601 USA Company: motion industries Phone: 706-353-7780 Fax: 706-546-1427 E-mail: darlene.pannell@motion-ind.com **** Hidden Message ***** darlene.pannell@motion-ind.com