TOTO Vespin II 1G WASHLET+ C100 Two-Piece Toilet and Bidet System - 1.0 GPF

TOTO Vespin II 1G WASHLET+ C100 Two-Piece Toilet and Bidet System - 1.0 GPF

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TOTO Vespin II 1G WASHLET+ C100 Two-Piece Toilet and Bidet System - 1.0 GPF

TOTO’s Vespin II 1G Toilet features a sleek, contemporary design along with an efficient, yet powerful, 1.0 gallon flush. The toilet also comes with TOTO’s forceful Tornado Flush System, and this, in combination with the high tech CeFiONtect glaze coating the bowl and the C100 WASHLET+’s PREMIST feature, discourage residue from clinging to the toilet. As an extra bonus, the Vespin II 1G toilet has been specially designed to hide the C100 WASHLET+’s water and electrical connections from view for a streamlined look. 

The C100 WASHLET+ provides three wash modes (front, rear and soft rear) and adjustable water temperature, water pressure and wand position for a fully customized, ultra-comfortable cleanse. The heated seat is designed to keep your tush warm on even the chilliest morning, and the oscillating spray option causes the bidet wand to move back and forth during the wash cycle for even greater cleansing coverage and a soothing sensation. The tank water heating system provides a limited amount of warm wash water, and if the unit is used several times in a row or if you run a long wash cycle, the warm water may run out. If this happens, the C100 switches to using cool water for washing until the tank can refill and reheat, a process that typically takes a few minutes. The C100 WASHLET+ also comes with a warm air dryer with adjustable temperature settings, and this is an especially nice feature to have if you prefer to avoid using toilet paper to dry yourself due to physical limitations or painful bowel conditions. The seat’s automatic deodorizer helps destroy unpleasant bathroom odors at the source, and the energy saving mode conserves electricity when the seat is not in use. Do keep in mind that the C100's controls are located on a panel attached to the side of the seat, and remember that this particular model is only compatible with WASHLET+ toilets. 

If you’re looking to change your bathroom routine for the better, the Vespin II 1G WASHLET+ C100 Two-Piece Toilet and Bidet System is a great place to start!


  • 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 PREMIST 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; 10" and 14" rough-in options available
  • 1 year warranty


Additional Information

Model Number(s):

TOTO Vespin II 1G WASHLET+ C100 Two-Piece Toilet and Bidet System (1.0 GPF) – MW4742034CUFG

TOTO Vespin II with CeFiONtect Glaze – CT474CUFGT20

TOTO Vespin II Tank and Cover Only – ST453U

TOTO Vespin II Tank and Cover Only, Right Hand Trip Lever – ST453UR

TOTO C100 WASHLET+ – SW2034T20

Optional 10" Rough-In – TSU01W.10R

Optional 14" Rough-In – TSU01W.14R


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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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