Can i get rid of rats without killing them?

i used plug in sonic repellants they did the trick really good plus they got rid of all the other pests to spiders/ mice get them in any diy shop i got 3 for £12  more

Yes. Get a cat or a terrier and they will do the killing for you. You can also use humane traps (see first link) and set them free somewhere far away. Ultrasonic pest repellents (see second link) are also worth a try.  more