The bidet heats up the water instantly, there is no requirement for a hot water supply. Just connect it to the existing water supply the toilet uses. You do ho

The bidet heats up the water instantly, there is no requirement for a hot water supply. Just connect it to the existing water supply the toilet uses. You do however need electricity. I had to run an extension cord for mine, which I tucked away in low profile conduit to keep things tidy looking.