TOTO UltraMax II 1G Washlet+ C100 One-Piece Toilet and Bidet System - 1.0 GPF

TOTO UltraMax II 1G Washlet+ C100 One-Piece Toilet and Bidet System - 1.0 GPF

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TOTO UltraMax II 1G Washlet+ C100 One-Piece Toilet and Bidet System - 1.0 GPF

If you’re looking to overhaul your bathroom routine, TOTO’s UltraMax II 1G Washlet+ C100 toilet and bidet system is a great place to start. The UltraMax II toilet included in the purchase of this system is ADA compliant and a universal height, so it offers greater accessibility than many standard toilets. The bowl is coated with TOTO’s special CeFiONtect glaze, creating an ultra-slippery surface that helps repel waste residue, and the Tornado Flush technology delivers a powerful flush every time. This UltraMax II toilet comes with TOTO’s C100 Washlet+ bidet seat, and it’s been specifically designed to hide the C100’s water and electrical connections for a sleek, seamless look. Keep in mind that the C100 Washlet+ is only compatible with Washlet+ toilets (like the UltraMax II). 

The C100 Washlet+ bidet seat included in this system is equipped with all the basic bidet features you need for a comfortable cleansing experience. Front, rear, and soft rear wash modes are designed to get you thoroughly clean, while the oscillating spray option causes the wash wand to move back and forth in a soothing, relaxing rhythm that can help stimulate bowel movements. A warm air dryer gives you the option of drying off without relying on rough, scratchy toilet paper, and the built-in deodorizer automatically kicks on after each use to get rid of any unpleasant odors. For your comfort and convenience, the C100’s water pressure, water temperature, seat temperature, wand position and air dryer temperature are all adjustable, and it’s easy to operate via buttons on the side arm control panel attached to the seat. Do be aware that the C100 uses a tank water heater to keep the wash water warm, which means that there’s a limited amount of warm wash water available at any given time. If the tank is depleted by an extra-long wash cycle or by multiple uses in a row, the unit switches to using cool water for washing until the tank has a chance to refill and reheat. 

From its classic look to its array of convenient wash and dry features, the UltraMax II 1G C100 Washlet+ toilet and bidet system is a great way to take your bathroom to a whole new level of amazing.

  • Purchase includes toilet and washlet
  • Elegant, skirted toilet is easy to keep clean
  • Powerful Tornado Flush system – efficient single flush, 1.0 GPF
  • CeFiONtect glaze and premisting feature stop residue from sticking to bowl
  • Universal height and ADA compliant
  • Washlet features a dual action spray with three wash modes: front, rear, soft rear
  • Adjustable wand position, water pressure and water temperature
  • Oscillating spray option
  • Soothing, aerated wash stream provides superior relaxation and cleansing 
  • Tank water heating system provides limited warm water
  • Warm air dryer with five temperature settings
  • Adjustable heated seat
  • Automatic deodorizer
  • Energy saving mode
  • Side arm control panel
  • Comes in white
  • Elongated bowl and seat
  • 12” rough-in
  • 1 year warranty


Additional Information

Model Number(s):

TOTO UltraMax II 1G Washlet+ C100 One-Piece Toilet and Bidet System (1.0 GPF) – MW6042034CUFG#01

TOTO UltraMax II Toilet with CeFiONtect glaze – CST604CUFGT20

TOTO C100 Washlet+ - SW2034T20 (only compatible with TOTO Washlet+ toilets)



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