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Prepare the Toilet — Shut Off Water and Drain Toilet

Beginner

Part of project

How to Fix a Leaking Toilet Tank-to-Bowl Connection · Step 1 of 6

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In this video

Locate the water shutoff valve, typically on the wall behind the toilet, and turn the handle clockwise until it stops to turn off the water supply. Then, carefully remove the heavy ceramic tank lid and place it on a soft, safe surface, like a towel, to prevent damage. Flush the toilet to drain most of the water out of the tank, making the next steps cleaner and easier.

Goal: Prepare the toilet for repair

  • Placing the tank lid on a towel prevents it from cracking or chipping.

Used in this video

  • Towel · optionalTo provide a soft surface for the toilet tank lid, preventing damage.
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Korky Toilet Repair

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FAQs

How long will this DIY project take for a beginner, and what's the approximate cost?

This is a beginner-friendly project that typically takes 1-2 hours to complete, depending on your comfort level with plumbing. The main expense is a new tank-to-bowl gasket and bolt set, which usually costs less than $20.

What are the essential tools and materials I'll need for this repair, beyond what's listed?

You'll primarily need an adjustable wrench, like the Crescent 12 in. Chrome Adjustable Wrench, a flat-head screwdriver, a bucket (e.g., Unger 6 Gal. Heavy-Duty Plastic Bucket), and plenty of absorbent rags or towels, such as THE CLEAN STORE Cleaning Terry Towels. Work gloves are also highly recommended for comfort and hygiene.

What are the most common mistakes beginners make when fixing a toilet tank-to-bowl leak?

A common mistake is overtightening the tank bolts, which can crack the porcelain tank or bowl; tighten them only until snug, then give an additional quarter turn. Another error is not properly seating the new gasket, leading to immediate leaks, so ensure it's flat and centered.

Are there any specific safety precautions I should take before starting this project?

Always shut off the water supply to the toilet completely using the shut-off valve behind or beneath the toilet before beginning any work. Ensure you have a bucket ready to catch residual water when disconnecting lines and draining the tank, and wear work gloves to protect your hands.

Prepare the Toilet — How to Fix a Leaking Toilet Tank-to-Bowl Connection (Step 1, Video 2) | Stesso