TOTO UltraMax II 1G WASHLET+ S350e One-Piece Toilet and Bidet System - 1.0 GPF

TOTO UltraMax II 1G WASHLET+ S350e One-Piece Toilet and Bidet System - 1.0 GPF

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TOTO UltraMaxII 1G WASHLET+ S350e One-Piece Toilet and Bidet System - 1.0 GPF

The TOTO UltraMax II 1G toilet offers a classic look along with a powerful yet efficient flush and TOTO’s special CeFiONtect glaze on the bowl to prevent residue from sticking. It’s a universal height and ADA compliant, meaning it stands a bit taller off the ground than standard height toilets. This particular toilet was specially designed with the S350e WASHLET+ in mind such that it cleverly conceals the bidet seat’s hoses and cords for a seamless overall look. Do keep in mind that the S350e WASHLET+ that comes included in this system is only compatible with WASHLET+ toilets.

The S350e WASHLET+ is packed with great features designed to elevate your bathroom experience to new heights of comfort and convenience. The seat features four wash modes—front, wide front, rear and soft rear—for exceptional cleansing power, and the oscillating and pulsating spray options provide an added element of relaxation while also helping stimulate the bowels. The S350e comes with several automatic features to make your life easier, including automatic PREMIST, which coats the bowl with a thin film of water prior to use to stop waste from sticking thereby keeping your toilet cleaner longer; an automatic deodorizer; and an automatic open/close lid that raises and lowers as someone approaches or walks away from it. The heated seat keeps your tush toasty on even the chilliest of mornings, and the warm air dryer provides a comfortable alternative to abrasive toilet paper. The S350e comes with an instant water heater, which provides unlimited warm wash water, and the unit’s wand position, water temperature and water pressure can each be adjusted according to your preferences. Two programmable user presets provide the option of programming your favorite settings into the remote for a completely customized, one-button wash, and nighttime restroom trips are made easier by the built-in nightlight. An added bonus to the S350e WASHLET+ is that it uses sterile, electrolyzed water, called EWATER+, to PREMIST the bowl and to rinse the nozzles after each use for maximum hygiene.

The TOTO UltraMax II 1G WASHLET+ S350e One-Piece Toilet and Bidet System provides a great look and stellar wash and dry features that will revolutionize your restroom.


  • Purchase includes toilet and WASHLET
  • Powerful Tornado Flush system
  • Efficient single flush (1.0 GPF)
  • CeFiONtect glaze and PREMIST feature stop residue from sticking to bowl
  • Universal height and ADA compliant
  • WASHLET features four wash modes: front, wide front, rear, soft rear
  • Adjustable wand position, water pressure and water temperature
  • Oscillating and pulsating spray options
  • Soothing, aerated wash stream provides superior relaxation and cleansing 
  • Instant water heater provides unlimited warm water
  • Warm air dryer with five temperature settings
  • Adjustable heated seat
  • Automatic deodorizer
  • Automatic open/close lid
  • Built-in nightlight
  • Energy saving mode
  • Two programmable user presets
  • Soft closing lid
  • Operated via remote control
  • WASHLET uses sterile EWATER+ to PREMIST the bowl and sanitize the nozzles
  • Comes in white
  • Elongated bowl and seat
  • 1 year warranty


Additional Information

Model Number(s)

TOTO UltraMax II 1G WASHLET+ S350e One-Piece Toilet and Bidet System (1.0 GPF) – MW604584CUFG#01

TOTO UltraMax II 1G Toilet with CeFiONtect glaze – CST604CUFGT20

TOTO S350e WASHLET+ – SW584T20





Neorest 700H Installation instructions

WASHLET+ S350e Parts Manual

WASHLET+ S350e Basic Operations

WASHLET+ S350e Instruction Manual

WASHLET+ S350e Spec Sheet

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The TOTO Washlet+ comes with a 1 year full warranty for residential use, and a 1 year full warranty for units installed for commercial use.


We cover tax at the prices quoted, so no need to worry about a surprise tax fee added on during checkout, we've got you covered!


We also pay for shipping, so the price you see is the price you get!

TOTO Washlet+ units ship via freight, and ships on a pallet.  The shipper will call you when the unit is in your area and ready to be delivered. This allows you to schedule delivery, so you don't need to worry about it being delivered when you're not home.  Because toilet bowls are fragile, we recommend looking over the unit quickly when it arrives.  It's very rare for anything to be cracked, but it has happened.  We see about a 5% break rate, meaning about 1 in 20 have damage. When the unit arrives, look it over before signing for it. If anything is broken, don't sign for the package. Instead, take pictures and email them to or text them to 248-974-4030, and refuse delivery. This allows us to file a claim with the shipper and get another one out to you within 24 hours.


Because of the fragile nature of toilet bowls, returning one is a tricky process.  Should a return be required on your Washlet+ unit, TOTO requires that it be shipped back via freight, and shipped back on a pallet.  TOTO also charges a restocking fee of 30%, and will not cover shipping either way. TOTO also requires that the unit come back in 100% brand new condition. If the unit comes back in any condition other than 100% brand new, resellable condition, no refund of any sort will be issued.

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