How Far Apart Should Hot and Cold Water Pipes Be?

Hot and cold water lines should be approximately 6 inches apart unless the hot water line is insulated. This is to ensure that the cold water line does not pick up heat from the hot water line [2].

Can hot and cold water pipes touch?

Hot and Cold Water Lines Should Never Touch

This has passed the rough plumbing inspection and is ready for insulation and drywall. However, this installation can cause some issues down the road and is not a typical supply run installation.

Are hot water and cold water pipes separate?

The hot water service lines run parallel to the cold water service lines. They never collide or intersect. If you look at exposed service pipes, you'll notice two pairs of pipes running parallel to each other throughout the house.