
Aquia® IV Close Coupled Toilet, 1.28 & 0.8 GPF
FEATURES
• DynaMax™ Tornado Flush® utilizes 360º cleaning
power to reach every part of the bowl
• Ultra high-efficiency dual flush 1.28 & 0.8 GPF
(4.8 & 3.0 LPF)
• CeFiONtect® ceramic glaze prevents debris and
mold from sticking to ceramic surfaces
• Design of the bowl reduces water flow resistance
resulting in a quieter flushing sound
• Completely skirted design for a sleek and
understated look that's easier to clean
• Elongated front bowl and tank set, less toilet seat
• Chrome push-button
• 12" Rough-in
MODELS
CST446CEMG
• CST446CEMG (#01)
With CeFiONtect ceramic glaze
COMPONENTS
• CT446CUG
Elongated bowl with CeFiONtect
• ST446EM
Tank and cover only
Optional Components
• SS124
SoftClose Seat
• SS234
SoftClose Seat
• TSU08W.10
10" Unifit Rough-In
• TSU08W.14
14" Unifit Rough-In
• 9AU321-A
WASHLET® adapter
(Required for WASHLET installation)
COLORS/FINISHES
• #01 Cotton
DynaMax
Tornado Flush
Skirted Design
CeFiONtect
PRODUCT SPECIFICATION
The two-piece, ultra high-efficiency, DynaMax Tornado
Flush toilet shall be dual flush 1.28 GPF/0.8 GPF. Toilet
shall be coated with CeFiONtect, elongated front
bowl, high profile tank, complete skirted bowl and
chrome push-button. Toilet shall be TOTO Model
CST446CEMG.
CODES/STANDARDS
• Meets and exceeds ASME A112.19.2/CSA B45.1,
ASME A112.19.14
• Certifications: IAPMO(cUPC®), EPA WaterSense,
State of Massachusetts, and others
• Code Compliance: UPC, IPC, NSPC, NPC Canada,
and others
• Legislative Compliance: California Green Building
Code, City of Los Angeles Water Efficiency
Ordinance, and others

CST446CEMG
Double Sanitary Tee / Sanitary CrossDouble Combination Wye / 1/8 Bend
YES NO
Aquia® IV Close Coupled Toilet, 1.28 & 0.8 GPF
SPECIFICATIONS
Water Use
Flush System
Min. Water Pressure
Water Surface
Trap Diameter
Rough-in
Trap Seal
Warranty
Material
Shipping Weight
Shipping
Dimensions
1.28 & 0.8 GPF (4.8 & 3.0 LPF)
DynaMax™ Tornado Flush
8 psi (Flowing)
5-5/8" x 4-1/8"
2-1/2"
12" (10" & 14" Optional)
2-1/8"
One Year Limited Warranty
Vitreous China
CT446CU(G)
85 lbs
ST446EM
29 lbs
CT446CU(G)
30-3/4"L x 17-3/8"W x 20-1/2"H
ST446EM
17-1/4"L x 7-7/8"W x 17-1/2"H
DIMENSIONS
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.
To maintain adequate wall gap between the back of
the tank and wall, mount the floor flange at a nominal
12” rough-in distance.
Finished Wall
3/4" [20mm]
12" [305mm]
18 1/2" [470mm]
28 1/4" [718mm]
6 7/8" [175mm]
Water Level
5 33/64" [140mm]
Seat
Height
17" [432mm]
4 3/4" [120mm]
4 3/4" [120mm]
15 1/2" [393mm]
15 9/16" [395mm]
Supply as
required
29 1/4" [743mm]
Finished
Floor
Must use
90Ā angle
stop valve
3 9/16" [90mm]
Max. protrusion
from wall
6" [152mm]
21 1/8" [537mm]
12" [305mm]
Back of bowl
These dimensions and specications are subject to change without notice
Ph: (888) 295-8134 | Fax: (800) 699-4889 | www.totousa.com | © TOTO USA
# SS-01318 v.02