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Locking the tool for removing the drain — Remove the Drain Flange

Beginner

Part of project

How to Replace a Bathtub Waste and Overflow Drain Assembly · Step 3 of 9

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In this video

Take your drain removal tool, such as a drain key or smart dumbbell, and insert it into the tub drain opening. If using a dumbbell, insert it through the drain and engage its tines with the strainer or crossbar. If using a drain key, turn it counter-clockwise until its expanding wings touch and grip the inner walls of the drain. Once the tool is engaged, clamp a wrench onto the nut on the key or insert a screwdriver through the dumbbell to act as a lever.

Goal: Engage removal tool with flange

Used in this video

  • Drain Key or Smart Dumbbell (Tool Type: Plumbing Tools, Power Source: Manual)Gripping the drain flange from the inside to allow it to be unscrewed.
  • Wrench (Tool Type: Hand Tools, Power Source: Manual)Clamping onto the drain key to provide torque for turning.
  • Screwdriver (Tool Type: Hand Tools, Power Source: Manual) · optionalInserting through a dumbbell tool to use as a lever.
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FAQs

How long should I expect this bathtub drain replacement project to take, especially if I'm a beginner?

For a beginner, plan to dedicate 3-5 hours for this project, including preparation and clean-up. Accessing the old drain and ensuring proper sealing of the new one can take time, so don't rush the process to avoid potential leaks later on.

What are the most common mistakes beginners make that lead to leaks after installing a new bathtub waste and overflow?

The primary cause of leaks is inadequate sealing. Ensure you apply a generous amount of plumber's putty (like Oatey 14 oz. Plumber's Putty) under the drain flange and correctly position and tighten the overflow gasket. Always perform a thorough leak test before re-enclosing any access panels.

Do I need special tools to remove a stuck or corroded old drain flange, or will standard tools suffice?

While a screwdriver and tongue-and-groove pliers (Channellock 430/440) are often sufficient, a severely corroded flange might require a specialized drain wrench or carefully using a hacksaw (Husky 10 in. Close Quarters Hacksaw) to cut the crossbars. Avoid excessive force to prevent damaging the tub's finish.

What are the most important safety precautions I should take during this bathtub drain replacement?

Always turn off the water supply to the bathtub before starting to prevent accidental flooding. Wear safety glasses to protect your eyes from debris, and ensure good ventilation if using plumber's putty or sealants. A drop cloth (TRIMACO Stay Put Canvas Plus) will protect your bathroom floor and catch any spills.

Transcript
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Step 2. Locking the tool for removing the drain. Next take the drain key and insert it into the tub drain opening. Then take a wrench and clamp it onto the key. You'll find a nut on the key and this is where you'll clamp the wrench. Once done, use the wrench to turn the drain removal key counterclockwise. Continue turning the key counter clockwise until its wings touch the inner drain. At this point, you feel it's challenging to continue rotating it. In case you are using a dumbbell, you'll need to insert it through the drain. Next, engage its tines with a strainer or crossbar. Once done, take a screwdriver and insert it through the dumbbell to work as a simple lever for easier operation.

Auto-generated transcript. May contain errors.