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What if my Toilet isn't a TOTO Toilet? Will the S300 Washlet still fit?
On a standard Toilet with no curves between the seat and tank, all you need is two inches of room past the mounting bolts.
For more precise directions, view the compatibility chart further down this page.
Washlet S300 Compatibility Chart
To ensure a proper Washlet fit on your current model, you can also use a box and ruler to check size and position.
*Note: You will need to remove your current seat to check fit.
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WASHLET S300 (JASMIN) COMPATIBILITY CHART
  Note: Some styles of toilets may not allow the Washlet S300 (Jasmin) to be installed due to certain contours near the tank and bowl area (see figures below).  In the figure on the left side below, dimension D does not allow for enough open space to accommodate the minimum width of 9 inches.  
* The blue highlighted areas indicate the size of Washlet S300 (Jasmin)
Dimensions Dimension Requirements
A  Approximately 18-1/2 inches (470 mm)
 Round - Approximately 16-1/2 inches (420 mm)
B  Minimum of 1-1/2 (38 mm) from front most face of tank to seat holes
C  Approximately 5-1/2 inches (140 mm)
D  Minimum 9 inches (210 mm) of open space from center of Washlet S300 (Jasmin) (or toilet to edge of Washlet S300 and flat bowl surface.
Washlet Installation
View a QuickTime
Video about Washlet Installation (6.2 MB)