plumbing-14 min read

When to Replace Your Toilet Instead of Repairing It

SquarePeg|April 25, 2025

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A leaky handle, a slow-fill tank, or a wobbly base—when your toilet starts acting up, the first question that comes to mind is: Can I fix this myself, or do I need a replacement?

In many cases, toilet DIY repair is totally doable—and much more affordable than buying a new unit. But some issues point to a bigger problem, where buying a new toilet is the smarter long-term solution. Let’s break down when it’s worth making the repair, and when it’s time to say goodbye.

Common Toilet Problems You Can Repair

If your toilet is structurally sound and relatively efficient, small repairs are usually the way to go. Here are a few common issues you can tackle yourself—with the right tools and parts:

  • Running toilet: Often caused by a worn flapper or faulty fill valve. These are inexpensive and easy to replace.

  • Loose handle or faulty flush mechanism: Fixable with replacement handles, levers, or chains.
    Weak flush or slow tank refill: Usually a sign of buildup or a valve issue—again, fixable.

  • Minor leaks at the base or tank bolts: New seals, wax rings, or bolt kits usually do the trick.

Take a look at our curated selection of toilet repair parts and accessories to get started with your repair.

Signs It’s Time to Replace Your Toilet

While repairs work in many cases, there are clear signs when replacing your toilet is the better choice—both in terms of cost and performance:

  • Frequent clogs or flushing problems: Older models with outdated flushing systems may not perform well, even with new parts.
    Cracks in the tank or bowl: These can lead to water damage and are usually not worth fixing.
    High water bills: Older toilets use more water per flush. Newer models are much more efficient and can save you money over time.

  • Wobbling or shifting: If your toilet rocks or shifts, and it’s not just a loose bolt, it could be a damaged flange or subfloor—better to start fresh.

  • Outdated style or size: Remodeling your bathroom? It might be time for a toilet that fits better, looks better, and performs better.

Explore our collection of new toilets to find models that match your needs and budget.

The Bottom Line: Repair or Replace?

When deciding when to replace a toilet, it comes down to cost, efficiency, and comfort. For small fixes, toilet DIY repair is usually worth it. But if your toilet is aging, inefficient, or just plain frustrating, buying a new toilet can improve your bathroom experience and even lower your water bill.

No matter which direction you go, SquarePeg has the tools, parts, and products to help you get the job done right.

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