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Oatey 43401 Set-Rite 1/4 in. to 1 Toilet Flange Extender Kit, Red, Yellow

4.6 out of 5 stars 210 ratings

$38.02
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Size: 1/4" - 1"
Style: Extender Kit
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Purchase options and add-ons

Material Plastic
Brand Oatey
Color Yellow
UPC 038753434018
Manufacturer Oatey

About this item

  • Corrects an improper flange height from 1/4 in. - 1 in. during repair and remodels
  • Easily extend the flange surface above the floor for optimum sealing with a standard wax ring
  • Use on existing PVC, ABS, cast iron, and stainless steel ringed flanges
  • Spacers can be combined to meet the desired height
  • Foam rubber gasket seals the spacers to the new flange

Frequently bought together

This item: Oatey 43401 Set-Rite 1/4 in. to 1 Toilet Flange Extender Kit, Red, Yellow
$38.02
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$14.45
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Product information

Technical Details

Material ‎Plastic
Brand ‎Oatey
Color ‎Yellow
UPC ‎038753434018
Manufacturer ‎Oatey
Unit Count ‎1.0 Count
Global Trade Identification Number ‎00038753434018
Part Number ‎43401
Item Weight ‎12.8 ounces
Product Dimensions ‎8 x 8 x 4 inches
Item model number ‎43401
Size ‎1/4" - 1"
Style ‎Extender Kit
Shape ‎Round
Item Package Quantity ‎1
Included Components ‎(1) Toilet Flange Extender(1) Set-Rite Gasket (Durafoam)(1) 1/8" Spacer(1) 1/4" Spacer(1) Bag of 6 Self-Tapping Screws
Batteries Included? ‎No
Batteries Required? ‎No
Warranty Description ‎1 year limited

Additional Information

ASIN B06XRKZWL5
Customer Reviews
4.6 out of 5 stars 210 ratings

4.6 out of 5 stars
Date First Available March 21, 2017

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Oatey 43401 Set-Rite 1/4 in. to 1 Toilet Flange Extender Kit, Red, Yellow


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Product Description

Oatey Set-Rite Toilet Flange Extension Kit is a UPC listed, water tight solution for raising the toilet flange during a remodel. It can correct flange elevations ranging from 1/4 in. to 1-5/8 in. with different spacer sizes. The kit includes 4 different size spacers and six self tapping screws to complete the installation. Oatey products have earned the trust of plumbing professionals for over 100 years.

Top Brand: Oatey

Highly Rated
100K+ customers rate items from this brand highly
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100K+ orders for this brand in past 3 months
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Important information

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0 volts

Customer reviews

4.6 out of 5 stars
210 global ratings

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Customers say

Customers find the toilet flange extender works well and is easy to install. The product receives positive feedback for its quality, with one customer noting it's great for flange raising, and another mentioning it's perfect for floor redos. Customers report no leakage issues.

AI-generated from the text of customer reviews

8 customers mention "Functionality"8 positive0 negative

Customers find that the O-ring works great, with one mentioning it performs well for toilet flange applications.

"...This adapter will work in any situation and I wish I knew about it 15 years ago...." Read more

"...Worked great with absolutely no leakage. Easy to install, great value" Read more

"...gasket since the old flange was a super old lead bend, but this worked like a charm! Super easy install anybody could do it" Read more

"This Oatey Flange Extender kit worked great for a slab on grade where the original flange was cast 3/4” below top of slab...." Read more

8 customers mention "Quality"8 positive0 negative

Customers find the flange extender kit to be of good quality, with one customer specifically praising its great flange raising capabilities.

"...This is a great product, quality parts all the way around, even the six screws that are included are all stainless steel...." Read more

"Great fix." Read more

"...to buy an additional set of spacers for my application, but it turned out great and I didn’t have to chip up the slab...." Read more

"It’s a good product but buy new. They shipped it without the screws and description said it will ship in its normal packaging...." Read more

6 customers mention "Ease of installation"6 positive0 negative

Customers find the toilet flange extender kit easy to install.

"...Worked great with absolutely no leakage. Easy to install, great value" Read more

"...Super easy install anybody could do it" Read more

"...The setup was pretty easy, although I needed to search their youtube videos for clarification since the packaging has very little detail in the..." Read more

"...This was the easiest and most solid way to increase the flange depth. The screws were excellent self tapping into the subfloor...." Read more

3 customers mention "Flooring"3 positive0 negative

Customers like how the O-ring works with flooring, with one mentioning it's perfect for a floor redo, another noting it's great for tile floors, and a third describing it as a perfect fix for a recessed closet flange.

"This was a perfect fix to a recessed closet flange" Read more

"Great for tile floors..." Read more

"Perfect for a floor redo..." Read more

3 customers mention "Leakage"3 positive0 negative

Customers report no leakage with this toilet flange extender kit.

"...Worked great with absolutely no leakage. Easy to install, great value" Read more

"...This totally fixed the problem and now we have no leaks!" Read more

"...Add a wax ring (that was included) and the toilet. No leaks and I'm far from being a plumber. What a great product" Read more

Works Great
5 out of 5 stars
Works Great
This Oatey Flange Extender kit worked great for a slab on grade where the original flange was cast 3/4” below top of slab. I did have to buy an additional set of spacers for my application, but it turned out great and I didn’t have to chip up the slab. Used the wax ring method instead of the foam for the seal. Secured it to the slab with Tapcons. I’ve never been this excited to set a toilet, but that can wait until tomorrow.
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Top reviews from the United States

  • Reviewed in the United States on January 24, 2025
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    I’m a bit surprised that there aren’t a lot of YouTube videos on this particular product. Yes there is one by the owner and now they’ve been purchased by Oatey. But this is a code approved way to attach your toilet to the floor if you have unusual situations. I suggest if you buy this, find the YouTube from the owner and watch it, there’s a couple DIY guys that have put out videos, but I personally don’t think they did it correctly. This adapter will work in any situation and I wish I knew about it 15 years ago.

    Anybody who has set a lot of toilets knows that when you pull the toilet off, it’s unfortunately usually a surprise. And I bought a couple of these for when those situations arise. This is a great product, quality parts all the way around, even the six screws that are included are all stainless steel. Like I said if you’ve got an unusual situation, or a floor that wasn’t set right, then give this a shot. I think you will be satisfied.
  • Reviewed in the United States on June 12, 2024
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    Used the adjustable spacers to level the floor flange to my new ceramic floor. Worked great with absolutely no leakage. Easy to install, great value
    One person found this helpful
    Report
  • Reviewed in the United States on March 21, 2025
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    Great fix.
  • Reviewed in the United States on October 11, 2023
    Size: 3/4" - 7/8",Style: Extender KitVerified Purchase
    I literally never write reviews but this thing was a life saver. Had a leaky toilet in my house so I had to remove it, only to find the guys who redid our house stacked 3 wax rings into the old flange below the new tile and screwed the toilet into the sub floor. This thing really did the trick. I was skeptical to be honest, being a union plumber myself, and had to use a wax ring instead of the rubber gasket since the old flange was a super old lead bend, but this worked like a charm! Super easy install anybody could do it
    One person found this helpful
    Report
  • Reviewed in the United States on September 5, 2024
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    This Oatey Flange Extender kit worked great for a slab on grade where the original flange was cast 3/4” below top of slab. I did have to buy an additional set of spacers for my application, but it turned out great and I didn’t have to chip up the slab. Used the wax ring method instead of the foam for the seal. Secured it to the slab with Tapcons. I’ve never been this excited to set a toilet, but that can wait until tomorrow.
    Customer image
    5.0 out of 5 stars
    Works Great

    Reviewed in the United States on September 5, 2024
    This Oatey Flange Extender kit worked great for a slab on grade where the original flange was cast 3/4” below top of slab. I did have to buy an additional set of spacers for my application, but it turned out great and I didn’t have to chip up the slab. Used the wax ring method instead of the foam for the seal. Secured it to the slab with Tapcons. I’ve never been this excited to set a toilet, but that can wait until tomorrow.
    Images in this review
    Customer imageCustomer image
  • Reviewed in the United States on February 22, 2025
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    Possibly Helps
  • Reviewed in the United States on March 24, 2025
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    Fit perfectly!
  • Reviewed in the United States on January 21, 2025
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    After we tiled the floor, the toilet just didn't sit low enough for the wax ring to seat properly. This totally fixed the problem and now we have no leaks!

Top reviews from other countries

  • Greg
    5.0 out of 5 stars Did the job, great product, easy DIY
    Reviewed in Canada on April 20, 2022
    Size: 3/4" - 7/8",Style: Extender KitVerified Purchase
    I am not a great home handy man and this product made the toilet install easy. Our tile floor had been installed since the last toilet flange so it was recessed. This product made the replacement toilet super easy to do, leak free without guessing on two wax rings.
  • MS
    5.0 out of 5 stars Great product
    Reviewed in Canada on November 22, 2022
    Size: 1/2" - 5/8",Style: Extender KitVerified Purchase
    Used this for two different toilets in the past two years. Very easy to install and adjust, no leaks whatsoever. 10/10 a great product if your existing flange sits too low.
    Customer image
    MS
    5.0 out of 5 stars
    Great product

    Reviewed in Canada on November 22, 2022
    Used this for two different toilets in the past two years. Very easy to install and adjust, no leaks whatsoever. 10/10 a great product if your existing flange sits too low.
    Images in this review
    Customer image
  • Shoeboy
    5.0 out of 5 stars Works Great!
    Reviewed in Canada on November 28, 2024
    Size: 1/4" - 3/8"Style: Extender KitVerified Purchase
    I replaced 3 toilets in my home. They had had tile and hardwood added to the floor and had been leaking because of the poor seal between the plumping pipe and the toilet flange. These kits did the job. Easy to install.
  • Bustedrib
    5.0 out of 5 stars Fantastic product!
    Reviewed in Canada on January 9, 2022
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    I’ve had this installed and in use for over a month and have been problem free.
    Our toilet flange was 1/2” below the tile and original toilet was installed with 2 sandwiched rubber donut/seals.
    Installed new flange and a spacer over the existing flange to bring up the height a d installed a new toilet with no leaks or rocking.
    Very happy with this product and fully recommend for all the weekend handymen out there.
  • Jonathan
    5.0 out of 5 stars Piece of mind
    Reviewed in Canada on April 3, 2021
    Size: 1/4" - 1"Style: Extender KitVerified Purchase
    It worked perfectly. Nice quality. Flange was installed on plywood but tiles were higher. This raised it half an inch. There are cheaper ways but this, with the funnel and seal, are reassuring.

Product Summary: Oatey 43401 Set-Rite 1/4 in. to 1 Toilet Flange Extender Kit, Red, Yellow

From Oatey

4.6 out of 5 stars, 210 ratings

Customer reviews

About this Item

  • Corrects an improper flange height from 1/4 in. - 1 in. during repair and remodels
  • Easily extend the flange surface above the floor for optimum sealing with a standard wax ring
  • Use on existing PVC, ABS, cast iron, and stainless steel ringed flanges
  • Spacers can be combined to meet the desired height
  • Foam rubber gasket seals the spacers to the new flange

Product Description

Oatey Set-Rite Toilet Flange Extension Kit is a UPC listed, water tight solution for raising the toilet flange during a remodel. It can correct flange elevations ranging from 1/4 in. to 1-5/8 in. with different spacer sizes. The kit includes 4 different size spacers and six self tapping screws to complete the installation. Oatey products have earned the trust of plumbing professionals for over 100 years.

Options Available

Size

  • 1/2" - 5/8",
  • 1/4" - 1"
  • 1/4" - 3/8"
  • 3/4" - 7/8",

Style

  • Extender Kit
Browse all available options

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