Numatic Delay Start Module 110v 220556Genuine Numatic Delay Start Module 110V 220556 This is genuine Numatic Delay Start Module 110v which is compatible with the below motors & machines. Require a 240V Version Click HERE 906039 If you're unsure if your machine is compatible please contact us on the bottom right with your Numatic 9 digit serial number & Vacuum Model , we will then advise the right product code. For use with 110V Machines Only Below: WVD570 2 WVD570 WVD750 WVD750 2 WVD900