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Plunger drain.
Don't let a clogged drain interfere with a pleasant bath or shower.

Repairing Tub Drains

Skill Level: Beginner
 
 

Whether your tub won't drain or hold water, the first thing you need to do is determine which kind of drain you have. There are five basic types of tub drains: foot lock, roller ball, lift and turn, pop-up and plunger. Pop-up and Plunger tub drains have trip levers, mounted to the tub wall, that seal and release their stoppers. Roller ball, foot lock and lift and turn tub drains do not have trip levers. Compare your tub drain with the illustrations to determine which type you have. A beginner level DIYer should be able to repair a tub drain in about three hours with common household tools. Lowe's is happy to provide this information as a service to you.

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Tools

Materials

  • Cleaning solution or vinegar and baking soda
  • Heat resistant grease
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Drains Without Trip Levers
Foot lock.

Foot Lock
To change the setting of the drain, push it down with your foot.

Roller ball. Roller Ball
Push the plug down to hold water and pull it up to drain.
lift and turn. Lift and Turn
Rotate the plug in opposite directions to release or hold water. These drains have set screws under the lip of the drain.
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Drains With Trip Levers

Pop up.

Pop Up
The trip lever opens and closes the drain by moving the stopper up and down.
   
Plunger. Plunger
Plunger drains don't have a visible stopper. The trip lever opens and closes the drain by moving a hidden plunger up and down.
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Foot Lock And Roller Ball Tub Drains
Overflow drain.
  1. If you are fortunate enough have one of these types of drains, it should be an easy fix. To remove the plugs from foot lock or roller ball tub drains, simply rotate the plug counterclockwise until it is free of the drain.


  2. To clear clogged or sluggish drains see How To Clear Clogged Drains. Clean the plugs with mild cleaning solution or vinegar and reinstall.
Lift and turn.
Lift and Turn Close-up
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Lift And Turn Tub Drains
  1. Lift the drain plug and locate the set screw under the lip of the plug. Loosen the set screw and remove the plug.


  2. If the drain is sluggish or clogged, see How To Clear Clogged Drains.


  3. To clean any remaining residue, it's a good idea to flush the tub drain and overflow drain with a solution of one cup vinegar and one cup baking soda. After it stops fizzing, rinse with boiling water. Clean and reinstall the overflow face plate and drain plug. Be sure to retighten the set screw.
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Pop-Up Tub Drains

Pop Up.
Cutaway of Pop-Up Drain

Internal.
Close-up of Pop-Up Internal Components
  1. Set the trip lever in the open position. Wiggle the assembly to get it out of the drain. The assembly isn't actually attatched to the drain, but don't be surprised if it takes quite a bit of effort to get it out.


  2. Take the screws out of the coverplate. Remove the trip lever and linkage from the overflow drain.


  3. If the tub is sluggish or clogged, see How To Clear Clogged Drains. If the tub has been leaking or the drain is hard to operate, clean the linkage, rocker arm and stopper. Use a brush and mild cleaning solution or vinegar. Flush the tub drain with a solution of one cup vinegar and one cup baking soda and rinse with boiling water.


  4. Lubricate the moving parts of the rocker arm and stopper. Slide them back into the drain until the stopper is in the closed position. Lubricate the moving parts and the threads of the linkage and reinstall into the overflow drain. It may be necessary to adjust the linkage. To increase the flow rate of the drain, loosen the lock nut, turn the lift rod counterclockwise and retighten the lock nut. If the stopper will not seal in the closed position, loosen the lock nut, turn the lift rod clockwise and retighten the lock nut. To avoid over-compensating, screw the lift rod in or out three or four turns at a time.
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Plunger Tub Drains
Plunger.
Cutaway of Plunger Drain
Internal.
Close-up of Plunger Internal Components
  1. Take out the screws on the coverplate, and pull it away from the tub wall. The linkage and plunger will come out with the cover plate.


  2. If the tub is sluggish or clogged, see How To Clear Clogged Drains.


  3. If the tub has been leaking or the drain is hard to operate, clean the plunger and linkage. Use a brush and mild cleaning solution or vinegar. Flush the tub drain and overflow drain with a solution of one cup vinegar and one cup baking soda. Rinse with boiling water.


  4. Lubricate the plunger and linkage; reinstall them into the overflow drain. Partially fill the tub and check to see if the drain holds water. Then open the drain and check the flow rate. If the drain allows water to seep out, loosen the locknut, turn the lift rod counterclockwise, then retighten the lock nut. To increase the drain flow rate, loosen the locknut, turn the lift rod clockwise and retighten the lock nut. To avoid over-compensating, screw the lift rod in or out three or four turns at a time.
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These How-To's are provided as a service from Lowe's, the Original Home Improvement Warehouse of How-To information for the World Wide Web. The information in Lowe's "How-To" clinics is intended to simplify jobs around the house. Tools, products, materials, techniques, building codes and local regulations change; therefore, Lowe's assumes no liability for omissions, errors or the outcome of any project. The reader must always exercise reasonable caution, follow current codes and regulations that may apply, and is urged to consult with a licensed professional if in doubt about any procedures. Please read our terms of use.