Specification Sheet
SPECIFICATIONS
MS746124CUMFG.10
Drake
®
 1G
®
 Close Coupled Toilet, 1.0 & 0.8 GPF, 10" Rough-In
Double Sanitary Tee / Sanitary CrossDouble Combination Wye / 1/8 Bend
YES NO
Important Note:
Back-to-Back Toilet Installations:
TOTO USA, Inc. recommends the use
of a nationally listed, double sanitary 
tee-wye only, in vertical waste stacks, 
in accordance with the stipulations noted 
in the majority of nationally recognized 
plumbing codes.
!
INSTALLATION NOTES
Back-to-Back Toilet Installations:
 TOTO recommends the use of a nationally listed, 
double sanitary tee-wye only, in vertical waste stacks, 
in accordance with the stipulations noted in the 
majority of nationally recognized plumbing codes.
# SS-01553 v.01
These dimensions and specications are subject to change without notice
To maintain adequate wall gap between the back of the 
tank and wall, mount the floor flange at a nominal 10" 
rough-in distance. 
Ultra-low high efficiency toilets require a system with 
adequate supplemental flows from other water usage 
fixtures and a 4" ID drainline with minimum 2% slope 
and maximum linear runs of 60ft. Fixture Dimensions 
shown are nominal. 
Ph: (888) 295-8134 | Fax: (800) 699-4889 | www.totousa.com | © TOTO USA 
Water Use
 1.0 & 0.8 GPF (3.8 & 3.0 LPF)
Flush System
DYNAMAX TORNADO FLUSH
®
Min. Water Pressure
 8 psi (Flowing)
Water Surface
5-5/8" x 4-1/8"
Trap Diameter
2-1/2"
Rough-in
10"
Trap Seal
2-1/8"
Warranty
One Year Limited Warranty
Material
Vitreous China
Shipping Weight
 CT746CUFGT40.10
64 lbs.
ST746UMA 
35 lbs.
Shipping
Dimensions
 CT746CUFGT40.10
18-3/4" L x 10-1/2" W x 18-1/8" H
ST746UMA
18-3/4" L x 8-3/8" W x 16" H
DIMENSIONS
18 1/2"
[470mm]
27 3/8"
[695mm]
16 1/2"
[420mm]
14 3/4"
 [374mm]
5 1/2"
 [140mm]
4 5/8"
 [117mm]
3/16"
 [4mm]
Ø1 15/16"
 [Ø50mm]
FINISHED WALL
WATER
LEVEL
6 7/16"
 [164mm]
3/4"
 [20mm]
3 15/16"
[100mm]
21 7/16"
[545mm]
FINISHED
FLOOR
6 3/8"
[162mm]
*4 5/16"
 [110mm]
*5 7/8"
[150mm]
9 13/16"
[250mm]
SUPPLY
AS REQ'D
30 1/16"
[764mm]
FINISHED
WALL
17 5/16"
[440mm]
*SUGGESTED
DIMENSION
21 7/16"
[545mm]
BACK OF BOWL
RIM
HEIGHT
16 1/8"
[410mm]
SEAT
HEIGHT
17 5/8"
 [447mm]
10"
[254mm]
6"
[152mm]


