Inquiry (采购产品): leaking I have a model 321 TV Kellogg compressor that I have had for years. the only problem is that a lot of air is coming out of the discharge line of the pressure switch magnetic unloaded what parts do I need to repair unit? (style HM1) no air escapes form switch unless compressor is running I have it set to cut off at 120 lbs. and that is working well thanks if you can help **** Hidden Message ***** jim coltrain 27892 Company: none E-mail: jcoltrain@suddenlink.net **** Hidden Message ***** jcoltrain@suddenlink.net