TOTO Aquia IV 1G Washlet+ S550e Two Piece Toilet - 1.0 GPF and 0.8 GPF

TOTO Aquia IV 1G Washlet+ S550e Two Piece Toilet - 1.0 GPF and 0.8 GPF

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Aquia IV 1G Washlet+ S550e Two-Piece Toilet – 1.0 GPF and 0.8 GPF

The Aquia IV 1G Washlet+ S550e Two-Piece Toilet by TOTO takes a great looking toilet and seamlessly merges it with a high-performing bidet seat. The cords and hoses of most bidet seats remain visible, but the connections of the S550e bidet seat included in this Washlet+ system are completely hidden thanks to the toilet’s special design. However, do note that if you choose to buy a different seat in the future, the cords and hoses will be visible.

The high-quality toilet included in this Washlet+ system features an elegant, skirted design and a stylish chrome push-button flush mechanism. TOTO’s powerful DynaMax Tornado Flush system efficiently sweeps waste away from even the hardest to reach areas of the bowl, and the water flow configuration creates a quiet flush. Two flush options (1.0 GPF or 0.8 GPF) reduce water usage without compromising the integrity of the flush, and the ceramic bowl is coated with TOTO’s CeFiONtect glaze to deter waste from sticking.

The S550e bidet seat included in this Washlet+ system offers four wash modes (rear, rear soft, front and wide front) with unlimited warm water and adjustable water temperature and pressure, an adjustable heated seat, and a warm air dryer that eliminates the need for scratchy toilet paper. The oscillating and pulsating spray options, along with the aerated wash stream, enhance the cleansing experience while maximizing comfort. The seat also comes with a deodorizer that automatically eradicates bathroom odors as well as a built-in nightlight. Users choose different wash settings via a remote control, and it can even be programmed with the favorite settings of two users for a one-button wash and dry experience. Keeping the S550e clean is made easy thanks to TOTO’s premisting feature, which coats the bowl with a thin film of water prior to use to discourage waste from sticking, and the S550e’s nozzles self-sterilize after each use with electrolyzed water.

With its sleek look and high-end features, the Aquia IV 1G Washlet+ S550e is sure to transform your bathroom’s look and, more importantly, your daily toileting experience!

  • Purchase includes toilet and washlet
  • Elegant, skirted toilet is easy to keep clean
  • Ultra-powerful DynaMax Tornado Flush system with chrome push button
  • Quiet, high-efficiency dual flush (1.0 GPF or 0.8 GPF)
  • CeFiONtect glaze and premisting feature stop residue from sticking to bowl
  • 2.5” trapway with clear glaze helps prevent clogs
  • Washlet features a dual action spray with four wash modes
  • Oscillating and pulsating spray options
  • Soothing, aerated wash stream provides superior relaxation and cleansing 
  • Instant water heating system ensures unlimited warm wash water
  • Adjustable water temperature and pressure
  • Warm air dryer with five temperature settings
  • Adjustable heated seat with quick release feature for easy cleaning
  • Automatic deodorizer
  • Built in nightlight
  • Auto open/close lid
  • Energy saving mode
  • Two programmable user presets
  • eWater+ automatically sterilizes the bowl and wand with each use
  • Wireless remote control
  • Comes in white
  • Elongated bowl and seat
  • 12” rough-in (10” and 14” rough-in unifit components can be purchased separately)
  • 1 year warranty


Additional Information

Model Number(s)

TOTO Aquia IV 1G Washlet+ S550e Two-Piece Toilet in CottonWhiteMW4463056CUMG(#01)

TOTO Elongated Bowl with CeFiONtect– CT446CUGT40

TOTO Tank and Cover – ST446UM

TOTO Washlet S550e with Contemporary Design – SW3056T40

TOTO Washlet Adapter – 9AU321-A

Optional Unifit 10” Rough-In (Sold Separately) – TSU08W.10

Optional Unifit 14” Rough-In (Sold Separately) – TSU08W.14



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