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Shut Off Water and Drain Tank — Turn Off Water and Drain Tank

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How to Replace a Toilet Flapper to Fix a Running or Weak Flushing Toilet · Step 1 of 6

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In this video

Begin by turning the water supply valve clockwise to shut off the water to the toilet. Next, flush the toilet and hold the handle down to drain as much water as possible from the tank. Use a sponge to soak up and remove any remaining water from the bottom of the tank. Place a bucket or container on the floor underneath the tank's connections to catch any residual water.

Goal: Prepare the toilet for disassembly

Used in this video

  • Sponge (Sponge Absorbency/Size: Highly absorbent sponge for wiping)Removing the last bit of water from the toilet tank.
  • Bucket (Bucket Capacity: Small bucket for tank draining)Catching excess water when disconnecting the supply line and tank.
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Korky Toilet Repair

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FAQs

What are the essential tools and materials I'll need for this flapper replacement?

Beyond the correctly sized flapper (like a Korky 2-inch or TOTO 3-inch), you'll need cleaning supplies. An E-Cloth Microfiber cloth, A-MAZ The Gripper Scrub Pad, a sponge, and water are useful for thoroughly cleaning the flush valve seat. Always have a towel handy for drips or spills.

How difficult is replacing a toilet flapper, and how long does it typically take for a beginner?

This is a beginner-level DIY project, often taking only 15-30 minutes from start to finish. The most challenging part is usually ensuring a good seal and proper chain adjustment, but with clear instructions, it's quite straightforward and can save you a plumber's fee.

My toilet is still running after replacing the flapper. What should I check?

First, ensure the new flapper is sitting flush on the flush valve seat and isn't obstructed by the chain. Clean the flush valve seat thoroughly again, as mineral deposits or grime can prevent a proper seal. If the problem persists, the fill valve might also need adjustment or replacement.

How do I know if I need a 2-inch or 3-inch flapper, and does it matter for my toilet?

The flapper size depends on your toilet's flush valve opening. Most older toilets use a 2-inch flapper, while newer, high-efficiency models often use a 3-inch flapper. It's crucial to get the correct size; you can measure the old flapper or the flush valve opening, or check your toilet's make and model number.

Shut Off Water and Drain Tank — How to Replace a Toilet Flapper to Fix a Running or Weak Flushing Toilet (Step 1, Video 3) | Stesso