Inquiry (采购产品): relief valve hello i have a tank on roof that is a holding tank for water , i need a air relief valve that will let out the air but not water ,what do you have for this application? **** Hidden Message ***** eugene heacock 3515 cedar beach rd. southold, NY 11971 USA Company: heacock elect Phone: 631-765-5279 E-mail: eugeneheacock@yahoo.com **** Hidden Message ***** eugeneheacock@yahoo.com
