Riosa®

Select Elongated Concealed Trapway Toilet

Model#: C43907-WH

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C43907-WH is rated 3.1 out of 5 by 18.
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  • Designed for maximum performance and water savings
  • Features an elongated bowl and higher seat for added comfort
  • Features a soft-closing lid
  • WaterSense® Labeled
Finish: White
List Price*: $398.33
Base Parts
C43907-WH
List Price*: $398.33
  • Maximum flush power while saving you money, Delta® 1.28gpf WaterSense® labeled toilets are virtually clog-free
  • Features the exclusive SmartFit tank-to-bowl connection reducing potential leak points, over-tightening of the fasteners and cracking the toilet.
  • Delta® toilet kit includes the tank, bowl, toilet seat, mounting hardware, wax ring and SmartFit Multi-Tool. No additional tools required.

Special Features

  • ADA Compliant
Rated 1 out of 5 by from Listen to these 1 star reviews! All of these 1 star reviews about the toilet water level and being dirty is accurate. The water in the bowl is all the way at the back so the entire elongated portion is dry, so ...yup. When you have a BM you are forced to flush multiple times and quite often you have to push it down the bowl with TP... Disgusting. I would rather have 5gpf toilet that have to look at that mess all the time
Date published: 2018-09-29
Rated 5 out of 5 by from Love the look and cleaning! This is our 2nd Delta Riosa. Love the company products. This toilet is so sleek and easy to clean.
Date published: 2018-07-09
Rated 1 out of 5 by from Looks great but don’t buy!! I bought two of these toilets 5 months ago. Both toilets leave terrible skid marks every time you use the bathroom. Sometimes the feces won’t go down. The toilet looks great and I like the plumbing is hidden but it is not worth the constant cleaning! On one of my toilets, I have had a plumber come out 3 times to try to fix a leak out of the bottom of the base. Still no fix. He thinks there must be a fracture in the toilet itself. 600 dollars later I still do not have it working correctly.
Date published: 2018-03-14
Rated 5 out of 5 by from Good Design, Flushes Well, Looks Good, Everything Included I installed this commode about two mounts ago. It was easy to install and it works great. A quick push on the handle results in a quick flush. Push the handle down and linger momently for a complete full flush. It hasn't failed me yet. I will buy anotherone for our other bathroom.
Date published: 2017-12-28
Rated 5 out of 5 by from Best toilet we've ever owned or used We love this toilet. I never thought I'd say that about a toilet but every time I use this one i am amazed at how well it works. It has performed flawlessly since installing 2 years ago. Not one clog. Bowl and tank stay clean and it is water usage friendly. We really like the clean look of the covered sides. But, not only does it look nice but it makes it very easy to clean the outside. This makes maintenance a minimal effort for both the inside and outside of this toilet. The install can be a bit challenging with the unique sides but I managed it myself. I would strongly recommend this toilet to anyone. Only trouble is I have to buy another one for a remodel project and can't find one at a Home Depot anywhere near me.
Date published: 2017-11-16
Rated 3 out of 5 by from Good, but......... I'm happy now that the toilet is in and operating, but the installation wasn't as smooth as I expected. The depictions and descriptions in the instructions were not accurate, especially in regard to the water supply. The instructions showed a braided supply included that went high into the valve, bragging that this reduced the possibility of leaks. Nope. I needed to install my own that connected in the traditional manner under the tank. I was also not at all impressed with the supplied closet bolts as the heads were so small they would spin in the closet flange when the nuts were tightened. But now that it's in I'm ok and will consider buying another for a second bath.
Date published: 2017-11-12
Rated 1 out of 5 by from Horrible toilet Like other reviews on the website, this toilet is a huge disappointment. Design does not allow you to adjust the water in the bowl which leads to constant cleaning of the toilet due to not flushing waste. I have to tell guests not to be embarrassed if they need to flush the toilet 2-3 times to flush their waste. This is so embarrassing I wish I could return and get refunded for the plumber.
Date published: 2017-09-04
Rated 5 out of 5 by from highly recommend! amazing! looks sleek and elegant! and its quite easy to install!
Date published: 2017-08-30
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Where can I find information on how to remove and replace the hardware that holds the seat to the toilet? One of the screws sheared of and I cannot seem to be able to find any info on how to remove the seat. 

Asked by: Jorge
Hello Jorge, Thank you for your question regarding your seat for the Delta Riosa® Select Elongated Concealed Trapway Toilet and I am happy to help you today. Please visit the link below to view the Maintenance and Installation manual for the toilet seat, model RP71194WH, which pairs with this model: https://media.deltafaucet.com/MandI/85764%20Rev%20A.pdf Please respond back to the email I sent to you requesting for additional information and we will be happy to assist you with resolving this issue further. If you would rather speak with us by phone regarding this issue or if there is anything further that we may be able to help with otherwise, please do not hesitate to give us a call on our warranty line at 855-345-1345 and we will be happy to help you where we can. Thank you, Brandy
Answered by: Brandy
Date published: 2018-08-20

What models are your tallest toilets ? Thats what Im interested in, Height 

Asked by: Bronz
Hello Bronz, Thank you for your question regarding the Delta Select Elongated Concealed Trapway Toilet. I will be happy to assist you today. Currently all of our bowls are built to the same specs as far as the height of the seat. All of our currently available models are built to be 16 1/2" high to the seat. If you ever have any other questions, concerns, or require anything further please feel free to give us a call at 800-345-3358 and we will be happy to assist you in any way that we can. Thank you again! Matthew Delta Faucet Company Consumer Care
Answered by: Consumer Care
Date published: 2018-08-03

Is the rough in 10 or 12 inches?

Asked by: Empress1272
Hello Empress1272, Thank you for your question regarding the Delta Riosa Select Elongated Concealed Trapway Toilet. I will be happy to assist you today. The rough-in is approximately 12". This information and other dimensions can be found at the link below: https://media.deltafaucet.com/SpecSheet/DSP-S-C43907%20Rev%20B.pdf I hope this has answered your question. If you have any other questions, concerns, or require anything further please feel free to give us a call at 800-345-3358 and we will be happy to assist you in any way that we can. Thank you again! Matthew Delta Faucet Company Consumer Care
Answered by: Consumer Care
Date published: 2018-04-24

My Riosa toilet is clogged. I've tried a heavy duty plunger, adding hot water with detergent, but no luck. It's in my roommate's bathroom...there was only a lot of toilet paper (no solid waste) in it when I started trying.

Asked by: landlord to 2
Hello landlord to 2, Thank you for your question regarding the Delta Riosa® Select Elongated Concealed Trapway Toilet. I am very sorry to hear that your toilet is clogged and for any inconvenience this has caused and I will be happy to assist you today. Since you have already attempted to plunge the toilet, we recommend snaking the toilet first to see if you can loosen up whatever may be clogging the lines. If the toilet still will not drain and re-fill properly, you may need to check the venting on your home to ensure there aren't any clogs present in your vents preventing a proper flush, allowing for the pipes to drain. I hope this information helps and if we can assist you further with this issue over the phone, please do not hesitate to give us a call at 855-345-1345 and we will do our best to assist you where we can. Thank you, Brandy Delta Faucet Company Customer Service
Answered by: Brandy
Date published: 2018-02-05

Have you had complaints of this nature from this particular product before? How can it be fixed??

I purchased a Delta Riosa Select 2-Piece 1.28 single Flush Elongated Toilet Model #C43907-WH from Home Depot. I noticed fecal matter leaking from underneath the toilet. The toilet was installed by a professional plumber. Have you had complaints of this nature on this particular product? What is causing this and how can it be fixed?
Asked by: Charles M. Poole, Sr.
Hello Charles M. Poole, Sr., Thank you for your question on the Delta Riosa Select Elongated Concealed Trapway Toilet. I am so sorry to hear that you are experiencing issues with the toilet. We would first recommend checking the base of the toilet to see if there are any cracks in the porcelain. If you cannot see any cracks on the exterior or interior of the base of the toilet, we would next recommend replacing the wax seal to ensure you are getting a good seal to the drain. Sometimes a thicker wax ring is needed for some installations depending on your drain measurements and subfloor. Please feel free to give us a call at 855-345-1345 and we will be happy to help you further if these suggestions do not correct the issue. Thank you, Brandy Delta Faucet Company Customer Service
Answered by: Sarah
Date published: 2017-08-11
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