The safety of pouring boiling water down the drain boils down (pun intended) to the material of your pipes. 1. PVC and CPVC Pipes (The Danger Zone)
He didn't want to dump the water out and start over; that would take another twenty minutes he didn't have the patience for. He decided to pour the water out and refill the pot with hot tap water to speed up the second boil. He grabbed the heavy handles, the thick oven mitts protecting his hands, and hauled the pot off the burner. boiling water down drain
Every sink has a P-trap—that curved pipe under the cabinet designed to hold water and block sewer gas. When you pour boiling water down the drain, it sits in that trap for a few seconds before draining. If that trap is old PVC, you are essentially holding a kettle of boiling water against a soft plastic wall for 10–15 seconds. Do this daily, and that trap will eventually crack. The safety of pouring boiling water down the
If your sink is completely blocked, the boiling water has nowhere to go. It sits in the pipe, transferring heat directly to the plastic for a sustained period, which is the fastest way to cause structural failure. He decided to pour the water out and