Riosa®

Select Elongated Concealed Trapway Toilet

Model#: C43907-WH

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C43907-WH is rated 3.0 out of 5 by 23.
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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
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 2 out of 5 by from Would not buy again. I bought this because it was on sale and I wanted to change current toilet, but this model does not do good because when you do number 2 it hits the dry surface of the toilet and not into the water - therefore does not flush clean down the drain. Almost like the water level needs to be higher in the bowl. Saves water usage but not clean when flushed. I have another of this type (a different brand) in another bathroom and it works well. Probably a big reason why I decided to get this one but would not recommend. This review was rejected because it said I used profanity. I did not use any cuss words but had to change it to number 2, instead of p---.
Date published: 2019-03-24
Rated 5 out of 5 by from Excellent Toilet If you have to clean the toilet, you will appreciate this design. Finally someone got it right! Works great, looks amazing.
Date published: 2019-03-10
Rated 1 out of 5 by from Don’t buy this toilet I bought 3 of these toilets and installed them. They don’t hold enough water in the bowl and they don’t clean the bowl whe flushes. We have to use a toilet brush after each flush.
Date published: 2019-03-04
Rated 5 out of 5 by from Great product Have two install for over 3 years and just bought the third, great product. Easy to install easy to clean and flush’s better than many other brands.
Date published: 2019-01-11
Rated 2 out of 5 by from Great look, horrible functionality! I’ve had this toilet over a year now & I hated it from the start, but thought it wasn’t worth the expense to have it uninstalled to return it. I was wrong! Because of the shape of the bowl is bad, the water to low & flush is insufficient, the bowl is ALWAYS dirty after a poo. The stuff just sits there in submerged or god forbid anything splatters on the sides, it does not rinse away. We have to pre-flush so Bowl is slick or pour a glass of water while flushing!
Date published: 2019-01-01
Rated 4 out of 5 by from Nice appearance! I replaced both of my 20 year old contractor grade toilets with this model. Like the sleek sides that help to reduce cleaning and at the same time provides an up to date appearance. The toilet was easy to install with all parts and tools for installation being provided. Caught the sale at Home Depot that helped make the decision to upgrade easier. The toilet flushes easy and uses less water. Highly recommend.
Date published: 2018-12-05
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
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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

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

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

how to mount the toilet to the floor

Asked by: Anonymous
Thank you for your question, Tom! Instructions for mounting this Delta toilet to the floor can be found in the Maintenance and Installation manual below. https://media.deltafaucet.com/MandI/84272%20Rev%20D.pdf Best regards, Edward
Answered by: Delta Faucet
Date published: 2019-02-26

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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