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With the drain body pressed into place, slide the large rubber gasket onto the threaded tailpiece from underneath the shower base. Ensure the tapered side of the gasket faces up, making contact with the underside of the shower base. Next, slide the friction washer (if included) up against the rubber gasket. Finally, thread the large locking nut onto the drain body. Hand-tighten the nut as much as possible. To fully tighten it, use the shower drain wrench or another suitable tool to hold the drain body stationary from above, while tightening the locking nut from below using channel-lock pliers. If you have no access from below, you must use a drain that tightens from above (like a WingTite drain), where tightening screws on the flange deploys a sealing mechanism underneath. For a standard drain, you must tighten the nut from below until it's snug, compressing the rubber gasket to create the seal.

You're viewing a step from: How to Replace a Shower Drain in an Existing Shower Base

Beginner

30 minutes

2/4 Inventory

This project involves the complete removal of an old shower drain from an existing shower base and the installation of a new one. The process focuses on a scenario where there is no access to the plumbing from below the shower. It requires specialized tools for removal and a modern replacement drain that can be installed entirely from above, ensuring a watertight seal to prevent leaks.

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Frequently Asked Questions

Why is the Husky Tub Drain Removal Tool essential for this project, and can I use standard tools instead?

This specialized tool is crucial because it grips the drain from the inside, allowing removal when there's no access from below the shower. Standard tools like pliers or wrenches usually can't get enough leverage or grip to unscrew a corroded drain from the top, risking damage to the shower base. It ensures you can remove the old drain without damaging the surrounding shower pan.

What key safety steps should I take before and during this shower drain replacement project?

Always turn off the water supply to the shower to prevent accidental leaks or flooding. Ensure good ventilation when using mineral spirits for cleaning, as fumes can be strong. Wear appropriate eye protection and gloves to protect against chemicals, sharp edges, and debris throughout the process.

How long should a beginner expect this project to take, and what's the approximate material cost?

For a beginner, expect this project to take 2-4 hours, allowing ample time for preparation, thorough cleaning, and proper sealant curing. The material cost, including a new drain kit, plumber's putty, and sealant, typically ranges from $30-$70, not including any specialized tools you might need to purchase.

What's the most common mistake beginners make, and how can I guarantee a watertight seal to prevent leaks?

The biggest mistake is inadequate cleaning of the drain opening and improper application of plumber's putty or sealant. To ensure a watertight seal, meticulously remove all old caulk, rust, and debris from the drain opening. Apply an even, generous bead of plumber's putty under the new drain flange, tightening it correctly to squeeze out excess, and always perform a thorough leak test before finalizing.