Riosa

Elongated Concealed Trapway Toilet

Model#: C43906-WH
Riosa Elongated Concealed Trapway Toilet is rated 4.1 out of 5 by 14.
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Finish: White
List Price (US $):
$448.30

BASE PARTS
C43906-WH
$448.30
Recommended Replacement
Riosa®
Select Elongated Concealed Trapway Toilet
Model#: C43907-WH

  • Water-Efficient
  • WaterSense® Labeled
  • RSL (Rigid Supply Line) model is available for use where required by State or Local Plumbing Codes.
  • 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 and SmartFit supply line, reducing potential leak points, over-tightening of the fasteners and cracking the toilet.
  • Delta® toilet kit includes the tank, bowl, toilet seat, mounting hardware, SmartFit supply line, wax ring and SmartFit Multi-Tool. No additional tools required.

Special Features

  • ADA Compliant
Rated 5 out of 5 by from A good Throne My wife and I bought this toilet for our new house and we love it.
Date published: 2017-02-05
Rated 3 out of 5 by from nice to clean but bad seat fastener design We purchased 2 of these and paid a professional plumber to install. The design keeps the toilet clean by concealing the bolts but the seat is poorly designed. The plastic fasteners for the seat does not tighten up. The plumber commented on the flaw in design. I tried to tighten it later. We had the second toilet installed by another plumber who said the same thing. Delta has apologized to other posts for not being happy with the seat. I would like to receive an alternate fastener that will keep the seat tightly secured to the toilet. I don't know if the loose fitting fasteners prevent too much torque from being transferred to the plastic L shaped fastener holding the toilet in place, but the seat does not get tight. The toilet flushes properly, but the seat moves around and is a nuisance every time you use the toilet. For this reason I would not recommend it.
Date published: 2016-09-11
Rated 4 out of 5 by from Nice, but Looks good, with modern clean lines. Flushes very well and is effective. Like the easy removal feature of the seat, but it attaches (the base of the lid, not the easy attach feature) weakly and at a slight angle. We've had it in use for two months and I'm not sure it will last. For now, it is holding, but it does NOT feel secure. Not what you want on something you sit on daily.
Date published: 2016-07-25
Rated 3 out of 5 by from The out side looks great. But ...... We installed this toilet set back in November 2015. The first two months was great, starting from the third month the water tank filling water noise getting very loud . Now getting louder and louder , and its fill water every 4-5 minutes ( No leaking was found). Talking to HomeDepot,suggested to report this incident to manufacturer. The noise was too much , we have to turn off the water input and try not to use it. Any solution for this problem ??
Date published: 2016-05-12
Rated 5 out of 5 by from Excellent From installation to now this toilet was a perfect find. I love the sleek appearance in the restroom and also the comfort of the toilet. Kudos
Date published: 2016-02-15
Rated 5 out of 5 by from Loved the look in the store Love the look of the hidden trapway, the ease of assembly and connection to floor flange. The seat connection and slow close lids are also very nice features
Date published: 2016-02-14
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The water level in our toilet bowl is too low.

The water level in the toilet bowel (not the tank) is too low. I'm being indelicate, but we don't want to defecate and have it sitting on the porcelain, I've read the manual and done everything they said to raise the water level and it is still too low. I care not about conserving water at this point. Please help. (We had this toilet professionally installed by a plumber, when he was done, there was only water in the hole, I didn't notice until he left and had to rectify myself. The water in the tank is up to the fill line.)
Asked by: Ferguson
Hello Ferguson, Thank you for your question on the Riosa Elongated Concealed Trapway Toilet. We are so sorry for the issues you have been faced with. This toilet is designed with our water saving technology so the water level will be lower than your standard toilet. If you could please give us a call at 855-345-1345 we will do our best to rectify the situation for you. Thanks, Sarah Consumer Care Delta Faucet Company
Answered by: Sarah
Date published: 2017-07-15

Does this Riosa model come in any other color than white? Please let me know! Thank you.

Asked by: Kim
Not that I'm aware of.
Answered by: Lonehiker01
Date published: 2017-01-28

Flushing Technology

The Riosa C40396-WH model has "siphonic jet" flushing technology & the WH-RSL uses "gravity fed." What's the difference?
Asked by: Maggie
Hi Maggie, Thank you for your question about the Riosa Elongated Concealed Trapway Toilet. All Delta toilets have a gravity fed flush. The only difference between the 2 toilets is the supply lines, one is flexible and the other is rigid. Thanks, Nick
Answered by: DBS2013
Date published: 2016-07-15

How much water pressure does it need to operate

Asked by: James
Hi James, Thank you for your question about the Riosa Elongated Concealed Trapway Toilet. The toilet performance during a flush will not be effected by low water pressure. The water pressure would only effect how long the tank takes to fill. Lower water pressure could cause the tank to take extra time to fill. The flush itself will not be effected. Thanks, Nick
Answered by: DBS2013
Date published: 2016-05-11

dripping sound coming from the toilet

If you take a cup of water and pour it into the bowl, you hear a dripping sound coming from within the toilet.
Asked by: Randy
Hi Randy, Thank you for your question about the Riosa Elongated Concealed Trapway Toilet. Once the water level is at the highest point in the toilet bowl, if additional water is added, it will slowly go over the trapway into the drain of the toilet which can produce that dripping sound you are hearing. Thanks, Nick
Answered by: DBS2013
Date published: 2016-03-22

The toilet is installed. It has a slight rocking at the base. How can i prevent this?

Asked by: Chris
Hi Chris, Thank you for your question about the Riosa Elongated Concealed Trapway Toilet. After the unit is installed, there might be slight settling of the unit to where the bowl mounting hardware may need to be tightened. Also, keep in mind, if the floor tiles are not completely level, this could also cause the unit to rock. Thanks, Nick
Answered by: DBS2013
Date published: 2016-02-16

what material is the tlet made of

Asked by: linda
Hi linda, Thank you for your question about the Riosa Elongated Concealed Trapway Toilet. This is made of Vitreous China. Thanks, Nick
Answered by: DBS2013
Date published: 2016-02-02

Loose toilet seat

How do I tighten a loose toilet seat on Riosa C43906 toilet?
Asked by: Joe
you really need to tighten down the screws before they stay tight. Also make sure you have the metal washer place correctly.
Answered by: dpn1460
Date published: 2017-01-14
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