Master the essential steps to unclog a stubborn sink drain

How to Clear a Clogged Sink Drain | This Old House · 3:34 · Video: This Old House · Watch at the source

In short: Plumbing and heating contractor Richard Trethewey demonstrates how to tackle a persistent blockage. This guide covers the necessary tools and the specific hardware replacements needed for a successful repair.

The video details a process for clearing a drain, including the replacement of an old plastic T-fitting with a full-size brass T-fitting that features no baffle. To manage the repair, the demonstration uses a pan to collect water released from the trap and paper towels to line the sink cabinet floor, which helps in detecting potential leaks during the process.

The procedure requires basic plumbing tools, specifically pliers to loosen and tighten the various connections.

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