Description Replaced by 7750-0114-820 Circuit board only - black version Black circuit board for Omni & Touchstone auto takeoffs. Detail image is actual item. GEA, Westfalia, Surge and WestfaliaSurge brands Original parts Made in USA by GEA Farm Technologies Inc GEA Touchstone Related Items; 7750-0104-948 PCB Board 7039-2780-070 Vacuum Valve 7053-1970-040 Vacuum Cylinder 7750-0115-265 Air Valve 7750-0118-280 Gasket for TouchStone Box 7051-2479-160 Gasket 7750-0119-139 Touchstone Control Box only for vacuum detacher 7750-0099-024 Decal Front Cover Touchstone Detacher box 7750-0118-542 Complete Touchstone Detacher with vacuum cylinder and control valve 7750-0119-187 Complete Touchstone Detacher with air control valve 10/24