Washlet Toilet Repair Parts

by Toto

These Toto Washlet smart toilets feature a compact contemporary design with a built-in bidet unit. Keep yourself comfortable with a temperature-controlled heated seat operated by remote control. Enjoy front and rear warm water washing, saving money, staying cozy, and helping the environment by reducing your reliance on toilet paper. Find quality Toto repair parts for the Toto Washlet series below! For more Toto toilet parts, visit our page

Replacement Parts for Toto Washlet Toilets
Two Piece Model #MS920CEMFG
Washlet Unit #SN920M - 3D Tornado
1.28 gpf

Parts diagram for Washlet two-piece toilets
Item # Part # Description Price & Quantity
1 THU9870 Lid Assembly Select your color and
2 THU9871 Lid Bumper Temporarily Unavailable
3 THU9337 Seat Bumpers $9.75 Enter a quantity and
4 THU9810 Wand Door Temporarily Unavailable
5 THU9811 Dryer Door Temporarily Unavailable
6 THU9874 Screw Cap Select your color and
7 THU9875 Drain Plug Cover Select your color and
8 THU9814 Deodorizer Louver Temporarily Unavailable
9 THU9891 Water Connection Hose Temporarily Unavailable
10 THU9500 Water Connection Hose Gasket Temporarily Unavailable
11 THU9508 Water Supply Valve Temporarily Unavailable
12 THU9895 Side Cover Plate Select your color and
13 THU9833 Water Strainer Temporarily Unavailable
14 THU9501 Drain Plug Assembly Temporarily Unavailable
15 THU9506 Flush Connection Nut Temporarily Unavailable
16 THU9507 Flush Connection Gasket Temporarily Unavailable
17 THU9504 Mounting Bolt (x4) Temporarily Unavailable
18 THU9505 Mounting Nut (x4) Temporarily Unavailable
19 THU9476 Deodorizer Catalyst $36.29 Enter a quantity and
20 THU9619 Deodorizer Air Filter $17.33 Enter a quantity and
21 THU9847 Lever Cover Temporarily Unavailable
22 THU9807 Gasket Temporarily Unavailable
23 THU9958 Remote Control Assembly Temporarily Unavailable
24 THU9853 Remote Control Hanger Assembly Temporarily Unavailable
25 THU9908 Instruction Manual (top unit) Temporarily Unavailable
26 THU9909 Sensor Adjusting Stickers Temporarily Unavailable
27 THU6441 Rough-in Unit Assembly Temporarily Unavailable
28 THU395 Mounting Block Hardware Kit Temporarily Unavailable
29 9AU284 Bowl Screw Cover (x2) Select your color and
30 THU9911 Installation Manual (bowl unit) Discontinued
31 0DU652 Installation Protective Sheet Temporarily Unavailable

Replacement Parts for Toto Washlet Toilets
Two Piece Model #MS922CUMFG
Washlet Unit #SN922M - Tornado Flush
1.0 gpf

Parts diagram for Washlet two-piece toilets
Item # Part # Description Price & Quantity
1 THU6237#01 Lid Assembly (Cotton) Discontinued
2 THU6240 Lid & Seat Bumpers Discontinued
3 THU6250#01 Side Covers (Cotton) Discontinued
4 THU6262#01 Wand and Dryer Doors (Cotton) Discontinued
5 THU6121 Water Filter Drain Valve Temporarily Unavailable
6 THU6282#01 Deodorizer Cartridge & Air Filter (Cotton) Temporarily Unavailable
7 THU6283 Case Bottom Gasket & Lever Cover Temporarily Unavailable
8 THU6284 Water Supply Hose Assembly Temporarily Unavailable
9 THU6210 Remote Control Unit Assembly Temporarily Unavailable
10 THU6291 Top to Bowl Mounting Bolt Assembly Temporarily Unavailable
11 THU6297 Drain Socket $118.45 Enter a quantity and
12 THU9652 Drain Socket Gasket $13.20 Enter a quantity and
13 THU6298 Bowl Mounting Hardware Temporarily Unavailable
14 THU6299 Plastic Seal Discontinued
15 THU6302#01 Right Side Panel (Cotton) Temporarily Unavailable
16 THU6303#01 Left Side Panel (Cotton) Temporarily Unavailable
17 THU6304 Open/Close Tool Discontinued
18 0GU9221 Installation Template Temporarily Unavailable
19 THU6189 Water Strainer Discontinued
20 THU6206 Battery Box Temporarily Unavailable
21 THU6306 Junction Valve Assembly Temporarily Unavailable
22 THU6315 Water Supply Hose Assembly (bowl unit) Temporarily Unavailable

Toto Washlet Toilet Parts Related Items

Frequently Asked Questions

Q. "How can I find the model number and color of my Toto toilet?"

A. Look inside your tank. Always exercise caution when removing the tank lid, as it is fragile and can be easily broken if stepped on or dropped. Inside your tank on the back wall of the tank or sometimes on the right hand wall (opposite the trip lever), you will see a model number stamped or engraved in the porcelain. Typically, for Toto toilets, you will see letters with a three-digit number. There may be more letters following, depending on additional features available on that model of the toilet. Elsewhere in your toilet tank, you will find a color code. Color codes start with a # followed by a two-digit number. The most common Toto colors are #01 - Cotton White, #03 - Bone, #04 - Gray, #11 - Colonial White, #12 - Sedona Beige, and #51 - Ebony.

How to find Toto toilet model number and color code

Q. "What's the difference between the original and 'Eco' versions of Toto toilets? Will the same parts work for both versions?"

A. "Eco" versions of Toto toilets have the same model number as the original version, but will have an "E" somewhere after the number. The only difference between the original and "Eco" versions is the amount of water they flush (1.6gpf vs 1.28gpf) - thus, they use a different flush valve and/or a different flapper that utilizes less water. The other internal components will typically be the same. Any internal differences will be noted on the product page.

Additionally, be aware that on occasion Toto has changed the NAME of certain lines, but the model number remains the same. For example, the Gwyneth one-piece is now the Ultramax II and the Gwyneth two-piece is now the Drake II. We have provided the most current names to better assist our customers, but please refer primarily to model NUMBER when selecting your toilet parts to ensure you're getting the right parts for your model.

Q. "How do the different Toto flushing systems work? Can I put parts from a different flushing system in my Toto toilet to change the gpf rate?"

A. Almost all of the Toto toilets (with the exception of a few older models that work like most other gravity-fed toilets), feature an extra wide 3" flush outlet and a larger trapway to deliver more water at a faster rate for a more powerful flush. We do NOT recommend attempting to put a different flushing system in your existing Toto toilet - toilets are designed holistically, meaning that the entire bowl, tank, internal parts, etc. are all designed to fit together in a very specific way. Even though some toilets might have similar parts and use similar technology, each toilet will perform differently based on additional factors like tank size, whether or not the porcelain has the Sanagloss finish, etc.

Learn more about the different flushing systems below:
  • Power Gravity: One of Toto's older flushing systems, this system was designed to provide maximum flush efficiency in low-profile toilets. Because of the smaller tank size, there is less water in the tank to "push" waste out of the toilet when flushing, but this is still one of the most powerful and efficient flushing systems for low-profile toilets.
  • G-Max & E-Max: As mentioned above, the big difference between the G-Max and E-Max flushing systems is the amount of water used per flush. As the industry moves toward all toilets being 1.28gpf, the E-Max is essentially a "retro-fit" of the G-Max design. Like most standard toilet bowls, the water rinses straight down when you flush - so you still get a powerful flush and rinse.
  • Cyclone: A Cyclone flushing system uses a single nozzle located at the tank end of the bowl just under the lip of the bowl which has no rim holes. When the toilet is flushed, water streams out of the nozzle towards the front of the bowl causing the water to swirl around the complete inside of the bowl. This Cyclone rinsing action not only completely cleans the bowl but effectively helps flush the bowl. The Cyclone efficiently out-performs other gravity flushing toilets.
  • Double Cyclone: The Double Cyclone is considered by many as the "best" Toto flushing system. It provides the same powerful flush as the Power Gravity, the G-Max/E-Max and the Cyclone systems, only better! Instead of one bowl entry nozzle the Double Cyclone has two opposite side rinse inlets flowing the same direction creating more swirling force than a single rinse inlet. Basically, the water quickly swirls around the bowl when you flush, causing a wash down effect that leaves the bowl cleaner - while still using only 1.28gpf.
  • Dual Max: This is Toto's first dual flush system - delivering only 0.9 gallons per half-flush and 1.6 gallons per full flush, without sacrificing the performance you expect from Toto toilets.
  • Tornado: The Tornado flush uses gravity and two powerful nozzles to create a centrifugal, cyclonic action reducing waste build-up. Water is forced to spin around the rim and bowl creating a more powerful flush. The two nozzles replace rim holes to maximize the bowl and rim cleaning action with less trapped dirt. This high efficiency dual nozzle water propulsion system is used for 1 gallon or 1.28 gallon per flush toilets. The Tornado flushing system is considered to be more effective in one flush than most toilets are with multiple flushes.
  • Dynamax Tornado: The Dynamax Tornado flush sends 100% of the water through the rim of the bowl so all of the water gets used to clean the bowl and remove the waste using less water more efficiently. When the toilet is flushed the Dynamax system creates a vortex using a pushing force to discharge the waste first. The powerful bowl wash combined with the waste discharge dramitically improves the amount flushed out and away. This new discharge design make for a quieter and more powerful bowl evacuation.

Q. "Toto uses many different letters before and after their numbers stamped on the inside back of the toilet tank. Are these letters just part of the number or do they have some significance?"

A. The letters shown with the part numbers are part of the Toto number and they are very significant. Each letter or combination of letters are different codes used by Toto to completely and accurately designate what the toilet or tank consisted of when it was sold. The letters MS listed before model numbers means the toilet includes a seat. The following is a list of letters Toto uses and what they mean: B=Bolt down tank lid; C=Cyclone or Tornado flush; CST=Gravity type toilet; CT=Bowl; D=Insulated tank; E=E-max 1.28 gpf; F=Universal bowl height 16.125"; G= Sanigloss or CeFiONtect (ceramic glaze); L=ADA height 16.5" high bowl; M=Dual-Max; R=Right hand tank lever; S=G-Max; ST=Tank; T=Drain valve tower type; U=Ultra low volume (1.0 gallon).

Example: CST604CUFG: CST=Gravity type toilet; 604=Ultramax II tank model number; C=Tornado flush; U=Ultra low volume (1.0 gallon); F=Universal height; G=CeFiONtect (ceramic glaze);

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