Q: Hello, the Replacement Union looks like the part I need but I'm unsure. I do have a classic RJ system. The part I need fills the open end of the clear cylinder. It also hold the electrodes. I also need the bolts and male electrodes, and the rubber o ring. I would also like to buy a replacement electrical cord with the female red, black, and blue connectors attached. Could you please supply part number so I can order?