TOTO Aquia IV WASHLET+ C5 Two-Piece Toilet & Bidet System, 1.28 & 0.8 GPF, Universal Height


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TOTO Aquia IV WASHLET+ C5 Two-Piece Toilet & Bidet System, 1.28 & 0.8 GPF, Universal Height

Every TOTO WASHLET+ system comes with a toilet and bidet that fit together seamlessly*. This setup provides the look of a traditional toilet without the unsightly cords and hoses that are usually visible with a bidet seat. Plus, it’s less expensive than TOTO’s similarly sleek integrated bidet toilets.

This WASHLET+ system includes the Aquia IV two-piece toilet with two flush options (1.28 & 0.8 gallons) for top of the line efficiency. This particular model is universal height, meaning it has a seated height of a little over 17″. The taller than average seated height makes it easier to stand up and sit down compared to a standard height toilet, so it’s great for anyone with limited mobility or knee trouble.

TOTO’s C5 WASHLET is a mid-range model with lots of great features, including nozzle sterilization, pulsating and oscillating spray modes, a warm air dryer, user presets, and a built-in air purifier that gets rid of noxious bathroom odors. It has a low-profile design and a slim wireless remote that can be mounted to the wall for easy access.

If you’re looking for style, efficiency and a comfortable bidet cleanse, this WASHLET+ system is for you!

*Note: WASHLET+ toilets can only conceal the cords and hoses of select WASHLET+ bidet seats. WASHLET+ bidet seats can only be installed on compatible WASHLET+ toilets. Reach out to our support team if you have questions about fit.


Aquia IV Two-Piece Toilet

  • Supply connection is concealed for sleek, seamless installation
  • High efficiency dual flush (1.28 GPF/0.8 GPF) DYNAMAX TORNADO FLUSH system
  • CEFIONTECT Glaze is easy to clean & stops debris from sticking to the ceramic
  • Chrome push button located on top of tank (other finish options available)
  • Universal height (17 9/16″ seated height)
  • 10″, 12″ & 14″ Rough In Options
  • 1 year limited warranty


  • PREMIST feature keeps debris from sticking to the bowl
  • Front and rear wash modes
  • Oscillating and pulsating spray options
  • Adjustable settings: water temperature and pressure, seat temperature, air dryer temperature, nozzle position
  • Instant water heater provides unlimited warm water
  • Heated seat
  • Chemical-free deodorizer (does not add scent)
  • Warm air dryer
  • Two user presets
  • Sterile EWATER+ (electrolyzed water) cleans nozzles before and after each use
  • Wireless remote with docking station
  • 1 year limited warranty

Additional Details

Comes With

  • Aquia IV WASHLET+ C5 Two-Piece Toilet & Bidet System, 1.28 & 0.8 GPF, Universal Height – MW4463084CEMFG#01
  • Aquia IV Elongated Bowl with CEFIONTECT Glaze – CT446CUFGT40
  • Aquia IV Tank & Cover – ST446EMA
  • C5 WASHLET+ (elongated) – SW3084T40
  • WASHLET Adapter – 9AU321-A

Optional Upgrades

  • 10″ Unifit Rough-In – TSU08W.10 (+$100)
  • 14″ Unifit Rough-In – TSU08W.14 (+$100)
  • Cotton White Push Button- THU735(#01)-A (+$28)
  • Polished Nickel Push Button – THU735(#PN)-A (+$59)
  • Brushed Nickel Push Button – THU735(#BN)-A (+$59)

Additional information

Push Button Style

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Rough In

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What our Customers Have Written About us

I discovered Many Bidets through their excellent series of YouTube videos. Very informative in helping with general understanding and specific models and features.

I became sold on Many Bidets through their pre-sales support and advice. I had several questions which I asked both through Chat and via telephone. Both experiences were outstanding - no pressure just clear explanations. They even did some research for one of my questions.

They were proactive in following up after delivery in case we had any questions or problems.

All at very competitive prices!

Many Bidets is a smaller family owned operation but don't let that shake you. They handled my business with a personal touch that you can not get from a major online outlet. Dan made sure that I got the seat I wanted, with the features I needed and beat the best price that I could find anywhere else on the internet.
Once I made the purchase, the seat was delivered in 3 days. Many Bidets has since followed up twice to make sure that my install went well ( it did and it was very easy ) and to make sure I was completely satisfied with my seat.
I am very happy that I found Many Bidets and if there are any bidet purchases in my future, they will be the first company I contact.

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If you are looking for honest reviews, got to their YOUTUBE page where the boss talks honestly about the actual functions, features, and perks of their top Bidets. Thats how I made my choice.
Dealing with them was not only easy but a pleasure. My bidet showed up days after I ordered it. The online install video was SUPER helpful, and last but not least they helped me online in the chat when I was narrowing down my choices.
It might seem like I'm gushing, but after walking into a few grocery stores where people just shrug and tell me they don't know where the ICE is... this was Customer Service:Advanced Edition and my experience couldn't have been any better!

Profile Picture Randale Watson

Because you were very easy to talk
with, knew your products and
ordering was very easy. Because I purchased from them before and it
was a very satisfactory experience!
Joanne H

It was very easy to order, and the bidet arrived quickly. They had the best price for the bidet we wanted.
Nicole D

Staff is extremely helpful and friendly. They were quick to answer my questions, deliver a quality product and even personally follow-up up after delivery to ensure everything was up to our satisfaction.
I would highly recommend this company to anyone!

Profile Picture Amber Hebblethwaite

Many Bidets says it's a family owned business; and believe me it treats you as if you're part of that family too. I recently made a purchase and I was immediately impressed by the service. Dan, the owner, was very friendly and professional, responding to all my concerns. He understood that, like other customers, I wanted the best quality product that fit my budget and to be happy and confident about my purchase. Believe me I got all of that and more. Delivery was super fast, the product was as described, the price was also reduced beyond the advertised discount. Dan followed up to make sure I was 100% happy with my purchase.
Recently, I had a question involving the manufacturer of a product I had purchased, nothing to do with excellent service at Many Bidets. Instead of merely referring me to the manufacturer, Dan stepped in when he didn't have, to make sure everything worked out to my satisfaction. That's the kind of customer service that Many Bidets provided. I would highly recommend dealing with Dan and Many Bidets if you value excellent all-round service, quality product at a great price, and peace of mind.

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I’ve purchased twice from Many
Bidets with fast service and good interactions both times. The
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well and are of a good quality. I
would recommend them to anyone else looking to buy a good product and receive the best discounts.

Fantastic experience dealing with this company. Great price, fantastic response to questions, and delivery was actually ahead of schedule of when they said it should arrive. Delivery was professionally handled and well communicated.
I am a sticker for detail and had a fair amount of questions during the purchase. Each communication was dealt with promptly.
I would use this company again if possible in the future.

Profile Picture Paul Szymanski

Great price, selection and finish options. The customer service agents are very responsive and the delivery process was very clear and well explained. They also followed up after delivery to check on the install and product. I would definitely order from here again and would recommend this place!

Profile Picture Romina Perez

I had originally reached out to Many Bidets through email because I had a question about which type of bidet would fit a one-piece toilet. Someone emailed me back very quickly on a Sunday and was SO helpful. I ended up working with that person directly to then go on and purchase my bidet seat through the company. When it arrived I had some questions involving installation and they answered my email immediately. Their customer service and response time is incredible! Don't give Amazon your money when buying a bidet. Use these guys!

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