TLDR Review: OATEY Set-Rite Toilet Flange Extension Kit
Verdict
The OATEY 43400 Set-Rite Toilet Flange Extension Kit is an excellent choice for addressing the issue of leaky drains and raising toilet flanges that are below flooring level. Its robust construction and flexibility in installation thickness levels make it a solid solution. While installation might require a bit of effort with screws and possibly additional wax rings, the durable build and stable outcome make this a highly recommended product. If complexity during installation is a concern, make sure to read the instructions carefully and be prepared to adjust based on your flange material.
- Top pro:
- Provides a permanent solution for leaky toilet drains.
- Top con:
- Self-drilling screws may require pre-drilling on stainless grates for easier installation.
Pros
- •Provides a permanent solution for leaky toilet drains.
- •Constructed from rugged, high-quality materials, ensuring durability.
- •Effectively raises closet flange that is lower than flooring level.
- •Available in various thicknesses for flexibility in installation.
- •Once installed, the base is very stable.
- •Installation includes all necessary parts and easy-to-follow instructions.
- •The design is highly rated for its effectiveness and user satisfaction.
Cons
- •Self-drilling screws may require pre-drilling on stainless grates for easier installation.
- •Self-tapping screws may not align properly with solid metal in the original flange.
- •Some screws can align with existing holes/slots, leading to less effective anchoring.
- •May require two standard wax rings for installation, which isn't clearly stated on the packaging.
- •Installation instructions can be confusing for some users.
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Jun 13, 2026.
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