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Prepare Toilet and Disconnect Water Supply — Disconnect Water Supply Line

Beginner

Part of project

How to Fix a Leaking Toilet Tank-to-Bowl Connection · Step 2 of 6

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In this video

Locate the water shut-off valve on the wall behind the toilet and turn it to the 'off' position. Flush the toilet to drain the water from the tank. Place a bucket under the tank's water inlet connection to catch any remaining water. Then, unscrew the existing water supply line from the bottom of the toilet tank.

Goal: Disconnect Water Supply

  • Ensure the water is completely shut off before disconnecting any lines to prevent flooding.

Used in this video

  • BucketCatching residual water from the toilet tank and supply line.
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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 Toilet and Disconnect Water Supply — How to Fix a Leaking Toilet Tank-to-Bowl Connection (Step 2, Video 1) | Stesso