Skip to main content

Reconnect Water Supply and Finalize — Reconnect Water and Test

Beginner3 hours

Part of project

How to Fix a Leaking Toilet Tank-to-Bowl Gasket · Step 7 of 7

Helpful?

In this video

Reconnect the water supply line to the fill valve connection point underneath the toilet tank. Hand-tighten the connector nut, and then give it a slight turn with a wrench if necessary, but do not over-tighten. Turn the water supply back on by turning the shut-off valve counter-clockwise. Check for any leaks around the supply line connection and the base of the toilet as the tank fills. Place the tank lid back on the toilet.

Goal: Plumbing

  • Hand-tightening the supply line is often sufficient. Over-tightening with a wrench can strip the plastic threads.
1.3M views6.5K3-5 minutes
American Standard

21K subscribers

View Channel

FAQs

What tools and materials are absolutely essential for this project, and are there any common household items I can use?

You'll definitely need an adjustable wrench to disconnect the water supply and tighten bolts, a bucket for draining, and a screwdriver. You likely already have a bucket and towels handy. Don't forget safety gloves and a new tank-to-bowl gasket system, which ideally includes new bolts and washers to ensure a secure, leak-free repair.

How difficult is this repair for a beginner, and what's the realistic time commitment?

This is a beginner-friendly project, mainly involving unbolting and re-bolting components. While the estimated time is 3 hours, it could take longer if bolts are seized or you encounter unexpected issues, like a stubborn tank. Taking your time, especially during reassembly and testing, is key to preventing further leaks.

Are all toilet tank-to-bowl gaskets the same, or do I need a specific type for my toilet?

Not all gaskets are universal, so it's important to get the correct type. While many are designed for common brands or have a universal fit, it's best to check your toilet's make and model if you're unsure. A universal gasket system that includes new bolts, like the Fluidmaster option, often provides good compatibility and a complete replacement.

What are the most common mistakes people make when replacing this gasket, and how can I avoid them?

A common mistake is overtightening the tank bolts, which can crack the porcelain bowl or tank. Tighten them evenly and snugly until the tank is stable, then test for leaks; avoid brute force. Also, ensure the gasket is seated perfectly flat and not twisted between the tank and bowl to create a proper watertight seal.

Reconnect Water Supply and Finalize — How to Fix a Leaking Toilet Tank-to-Bowl Gasket (Step 7, Video 1) | Stesso