How To Change Drain Pipe Under Bathroom Sink

How to Change Drain Pipe Under Bathroom Sink

Changing the drain pipe under a bathroom sink may seem daunting, but with the right tools and a little know-how, it's a relatively simple task. This guide will walk you through the essential aspects of this repair, ensuring that you can restore your bathroom's plumbing quickly and efficiently.

To prepare for the task, gather the necessary tools, including a bucket, adjustable wrench, pliers, and a new drain pipe. Once you have everything at hand, follow these steps to replace the drain pipe under your bathroom sink:

Turn Off the Water Supply: Locate the water supply valves under the sink and turn them off to prevent flooding.
Disconnect the Old Drain Pipe: Use an adjustable wrench to loosen the nuts holding the old drain pipe to the sink and P-trap. Disconnect the pipe by hand.
Install the New Drain Pipe: Attach the new drain pipe to the sink by hand-tightening the nuts. Use the adjustable wrench to secure the connection.
Connect the P-Trap: Reinstall the P-trap by aligning it with the drain pipe and hand-tightening the nuts. Use the pliers to fully tighten the connections.
Reconnect the Water Supply: Turn on the water supply valves and check for any leaks around the new drain pipe connections.
Test the Drain: Run water through the sink to ensure the new drain pipe is functioning properly and there are no leaks.

By following these steps and paying attention to the essential aspects of changing a drain pipe under a bathroom sink, you can quickly complete this repair, restoring your bathroom's plumbing to a fully functional state.