Can I Put Boiling Water Down Shower Drain _top_ Jun 2026

: Even if you have metal pipes, the rubber seals and gaskets at the joints can be damaged or melted by boiling water.

) far exceeds the safe temperature limits for modern plastic plumbing materials like , which are typically only rated for temperatures up to Why Boiling Water is Risky Is It Safe to Pour Boiling Water Down Your Drains? can i put boiling water down shower drain

, it far exceeds these safety limits. Sagging and Warping: Exposure to these temperatures can cause plastic pipes to soften, leading them to sag between hangers. This creates "bellies" or dips where waste and debris accumulate, eventually causing new clogs. Reddit +4 2. Compromised Joints and Seals Even if the main pipe doesn't melt, the connections are highly vulnerable. 10 sites Can you pour boiling water down the shower drain? - Quora Oct 3, 2020 — : Even if you have metal pipes, the

While boiling water is a common DIY suggestion for unclogging drains, the short answer is , especially if your home uses modern plastic piping. Why Boiling Water Can Be Dangerous for Your Plumbing Sagging and Warping: Exposure to these temperatures can

⚠️ When in doubt about your plumbing material, assume it is plastic. Most modern homes (post-1980s) use PVC or PEX for drains.