WT173M(A)
DUOFIT
®
In-Wall Tank Unit, 1.28 GPF & 0.9 GPF
FEATURES
• Dual-Max
®
flushing system, low consumption
(1.28 GPF/4.8 LPF & 0.9 GPF/3.4 LPF)
• Auto Flush function capability
• 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
• Copper supply line
MODELS
• WT173M - with copper washlet supply line
• WT173MA - Same as WT173M with Auto Flush
connection
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
Compatible Wall Hung Bowls (Sold Separately)
• CT437FGT20 - MH WASHLET+ Wall-Hung
• CT447CFGT60 - RP WASHLET+ Wall-Hung
• CT449CFGT60 - SP WASHLET+ Wall-Hung
• CT426CFGT40 - AP WASHLET+ Wall-Hung
• CT428CFGT40 - EP WASHLET+ Wall-Hung
PRODUCT SPECIFICATION
This universal height, high-efficiency, dual flushing,
in-wall tank system toilet shall be 1.28 GPF & 0.9
GPF. Requires TOTO toilet model CT437FGT20,
CT426CFGT40, CT428CFGT40, CT447CFGT60, and
CT449CFGT60. In-Wall tank system shall be TOTO
Model WT173M______.
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 certication only applies to WT173M(A) when combined with
either model CT437FGT20, CT426CFGT40, CT428CFGT40, CT447CFGT60, and
CT449CFGT60 toilet bowls.
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