FAQ
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OEM vs Universal: Which American Standard Flush Valve Seal Replacement Is Better?
When an American Standard toilet starts leaking or running continuously, the flush valve seal is often the first part that needs replacement. Homeowners, plumbers, and maintenance teams then face a coRead more -
Which is better,a toilet wax ring or a rubber?
When choosing between a toilet wax ring and a rubber (or rubber-like) toilet seal, the “better” option depends on your specific situation — including ease of installation, how often you plan to removeRead more -
How to tighten toilet tank water seal?
Tightening a toilet tank water seal (usually the tank-to-bowl seal or flush valve seal) is a common fix for leaks between the toilet tank and bowl.Read more -
How do I know what size flush valve seal I need?
Check the make and model of your toilet, which can often be found inside the tank or on the back of the toilet itself.Read more -
How to seal a cracked toilet water tank?
Sealing a cracked toilet tank can be a tricky task, and whether or not it will be a permanent fix depends on the severity and location of the crack.Read more -
Can a slow leak in a toilet tank be fixed without replacing the fill valve?
In fact, replacing the entire fill valve is often unnecessary and more work than needed. A slow leak is frequently caused by smaller, cheaper, and easier-to-fix issues.Read more -
Are all toilet fill valves the same size?
Toilet fill valves (ballcocks) are not all identical in size, but 95% of modern residential toilets use a universal standard size—making replacement straightforward for most homeowners.Read more -
What are some common causes of slow leaks in toilet tanks?
Common Causes of Slow Toilet Tank Leaks (Internal & External)Slow toilet tank leaks are frustrating, waste water, and often stem from worn, misaligned, or clogged components. Most leaks fall intoRead more -
How to Fix a Slow Toilet Tank Leak (After Replacing the Rubber Seal)
If replacing the rubber flapper (the most common rubber seal) didn’t resolve your slow toilet tank leak, the issue likely stems from other components in the toilet tank or bowl. This step-by-step guidRead more -
Can I repair a toilet flush valve myself or do I need to call a professional?
Toilet Flush Valve Repair: DIY or Professional?The short answer: Most flush valve issues are DIY-friendly. Repairs like replacing a flapper, seal ring, or even the entire valve take 30–60 minutesRead more -
How do you replace the rubber seal on the back of a toilet?
The "tank-to-bowl gasket" (also called a spud gasket) is the rubber seal that fits between the toilet tank’s flush valve opening and the bowl’s inlet. A worn, cracked, or compressed gasket causes leakRead more -
What are the common causes of a toilet flush valve failure?
Common Causes of Toilet Flush Valve FailureFlush valve failure is almost always caused by wear, buildup, or improper use—not manufacturing defects. Below are the top culprits, sorted by how oftenRead more -
How can I test if my toilet flush valve is working properly?
DIY Tests to Check if Your Toilet Flush Valve Works ProperlyThese 4 simple tests take 5–10 minutes total and require only household items (no plumbing tools). They’ll confirm if the valve is sealRead more -
Can I repair a toilet flush valve?
Most flush valve problems (leaks, weak flushes, stuck parts) are fixable with basic tools and replacement washers/seals. Repairs take 15–30 minutes and cost $5–$15 (vs. $20–$50 for a new valve). BelowRead more -
Does any fill valve fit any toilet?
No, fill valves are not universal—but they are more interchangeable than flush valves, as most modern models are designed to fit standard toilet tanks. Compatibility depends on key factors like tank sRead more -
Do all flush valves fit all toilets?
No, not all toilet fill valves fit all toilets. Toilet fill valves come in different sizes and designs, so it's important to match the right valve to your specific toilet model.Read more -
How to replace the tank-to-bowl bolts?
A Complete DIY Guide for Safe and Leak-Free ReplacementTank-to-bowl bolts are critical fasteners that secure the toilet tank to the bowl. Over time, they can rust, corrode, or loosen, leading to leaksRead more -
Can I measure the flush valve size without removing the toilet tank?
Yes, you can measure the flush valve size without removing the toilet tank—this is actually the most common method for homeowners and technicians. The key is to access and measure the critical parts *Read more -
How do I know if I have a 2-inch or 3-inch flush valve?
To determine your flush valve size, use one (or more) of the 5 simple methods below. 2-inch openings typically measure 1.8–2.3 inches, while 3-inch openings measure 2.8–3.2 inches. You can also checkRead more -
How do you stop toilet tank bolts from leaking?
To stop toilet tank bolts from leaking, you need to address improper installation, worn components, or loose fittings—these are the most common causes of leaks around tank - to - bowl bolts. Follow thRead more

