Toto WT171M Dimensions Guide

Type
Dimensions Guide

Toto WT171M is a dual flush system, in-wall tank unit with a 1.6 GPF and 0.9 GPF flush option, designed for high-efficiency and water conservation. It features an adjustable mounting height from 15" to 19" and can support up to 880 lbs. The 1-pc blow molded, insulated polyethylene tank prevents leaks and sweating, while the 2" x 6" polyethylene outlet is included. Pre-plumbed for WASHLET+ connection, this versatile in-wall tank system is compatible with Toto toilet models CT418F(G) or CT486FG, as well as various outlets and push plates sold separately.

Toto WT171M is a dual flush system, in-wall tank unit with a 1.6 GPF and 0.9 GPF flush option, designed for high-efficiency and water conservation. It features an adjustable mounting height from 15" to 19" and can support up to 880 lbs. The 1-pc blow molded, insulated polyethylene tank prevents leaks and sweating, while the 2" x 6" polyethylene outlet is included. Pre-plumbed for WASHLET+ connection, this versatile in-wall tank system is compatible with Toto toilet models CT418F(G) or CT486FG, as well as various outlets and push plates sold separately.

WT171M
DUOFIT
®
In-Wall Tank Unit, 1.6 GPF & 0.9 GPF
FEATURES
Dual flush system, low consumption
(1.6 GPF/6.0 LPF & 0.9 GPF/ 3.4 LPF)
Adjustable 15"-19" mounting height
Support up to 880 lbs
Commercial 2" x 6" or optional residential installa-
tion with 2" x 4" wall studs with waste outlet kit
1-pc blow molded, insulated polyethylene tank to
prevent leaks and sweating
2" x 6" Polyethylene outlet included
Pre-plumbed for WASHLET
®
+ connection
MODELS
WT171M - with copper supply line
Required Push Plates (Sold Separately)
YT920 #MS - Matte Silver
#WH - White
YT930 #MS - Matte Silver
#WH - White
YT970 #SS - Stainless Steel
YT980 #SS - Stainless Steel
Compatible Outlets (Sold Separately)
THU343 2" x 4" outlet HDPE & PVC
THU335 2" x 6" outlet cast iron
THU468 WASHLET connection kit
Compatible Toilet Bowl (Sold Separately)
CT418F(G), Aquia
®
Wall-Hung Dual-Flush Toilet
CT486FG, Maris
®
Wall-Hung Dual-Flush Toilet
PRODUCT SPECIFICATION
This universal height, high-efficiency, dual flushing,
in-wall tank system toilet shall be 1.6 GPF & 0.9
GPF. Requires TOTO toilet model CT418F(G) or
CT486FG. In-Wall tank system shall be TOTO Model
WT171M_________.
CODES/STANDARDS
Meets and exceeds
o Carrier system: ASME A112.6.2
o Tank trim: IAPMO PS50, CSA B125.3,
ASSE1002
Certifications: IAPMO(cUPC), *EPA Watersense,
State of Massachusetts, City of Los Angeles, and
others
Code compliance: UPC, IPC, NSPC, NPC Canada,
and others
*WaterSense certication only applies to WT171M when combined with either
model CT418F(G) or CT486FG toilet bowls.
SPECIFICATIONS
DIMENSIONS
Water Use 1.6 GPF & 0.9 GPF
(6.0 LPF & 3.4 LPF)
Flush System Dual-flush
Min. Water Pressure 8 psi (static)
Installation Height 15" to 19" (projected range)
Warranty One Year Limited Warranty
• Material Various
Shipping Weight 44 lbs
Shipping Dimensions 47"L x 26-1/2"W x 5-3/4"H
WT171M
DUOFIT
®
In-Wall Tank Unit, 1.6 GPF & 0.9 GPF
# SS-01448 v.01Ph: (888) 295-8134 | Fax: (800) 699-4889 | www.totousa.com | © TOTO USA
INSTALLATION NOTES
These dimensions and specications are subject to change without notice
Adequate structural bracing is required.
INCORRECT INSTALLATION
finished wall
Back of toilet even with installation surface.
1/16” Wall gap
finished wall
Proper Installation
Improper Installation
Ø Uneven Wall Gap
Baseboard
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Toto WT171M Dimensions Guide

Type
Dimensions Guide

Toto WT171M is a dual flush system, in-wall tank unit with a 1.6 GPF and 0.9 GPF flush option, designed for high-efficiency and water conservation. It features an adjustable mounting height from 15" to 19" and can support up to 880 lbs. The 1-pc blow molded, insulated polyethylene tank prevents leaks and sweating, while the 2" x 6" polyethylene outlet is included. Pre-plumbed for WASHLET+ connection, this versatile in-wall tank system is compatible with Toto toilet models CT418F(G) or CT486FG, as well as various outlets and push plates sold separately.

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