Last updated: 2026-05-01
🛠️ Can you fix this?
Toilet Running Constantly
Water keeps running into the bowl even when not flushed
95% chance this is caused by:
Worn flapper valve or float set too high
Fix it this weekend. Most parts ship same-day on Amazon.
A service call costs $150-300. This repair takes about 5-10 minutes and the part runs $20. Order the part tonight, fix it Saturday morning.
🔧 The Exact Part You Need
Total parts cost: $20. Same-day shipping available on most items.
Find the Right Part for Your Toilet
Parts vary by model. Search with your model number for the best match.
Tip: Add your model number (e.g. "GE GSS25GSH") for more precise results.
🔥 Parts for Toilets move fast on Amazon — especially common failure parts like these.
📋 Step-by-Step Instructions
Remove the tank lid
Check if the flapper is seating properly — if it's warped or has mineral buildup, replace it
Turn off water supply and flush to empty tank
Unclip old flapper, clip new one on
If flapper is fine, check the fill valve float height
Adjust float so water stops 1 inch below the overflow tube
If fill valve won't stop, replace the fill valve assembly
Don't put this off.
A Toilet that's failing can cause water damage, electrical issues, or food spoilage — each costing 10x what the replacement part costs. The fix is straightforward. The part is cheap. The risk of waiting isn't.
Other Toilet Problems
Related Resources
Frequently Asked Questions
How much does it cost to fix a toilet that's running constantly?
How long does this toilet repair take?
What if this isn't the problem?
Should I just replace my toilet instead?
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