Toto CST416M51

CST416M#51 Aquia II Dual Flush Two Piece Toilet in Ebony

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Toto CST416M51

Toto CST416M#51 Aquia II Dual Flush Two Piece Toilet in Ebony
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Quick Specs:
Brand: Toto
SKU: CST416M51
Stock Id: SID200068
Series: Aquia Series
Style: Contemporary / Modern
Width: 14.25"
Height: 30.25"
Length: 27.5"
Technical Details
Configuration: 2 Piece
Series: Aquia
Mount: Floor
Material: Vitreous China
Product Weight: 65
Flush Type: Dual Flush
Bowl Height: 15.25
Trapway: 2.125
Gallons Per Flush: 1.6
Rough In: 12"
Seat Included: No
Trip Lever Placement: Center, Top

For small bathroom spaces, it may be necessary to purchase a more compact style toilet which must also be built to last. The TOTO Aquia II, Dual Flush 2-Piece Toilet can accommodate both those needs at an affordable price.

Select from colors including Ebony, Cotton White, Sedona Beige, Colonial White, and Bone and appreciate the elongated toilet bowl despite its compact size. The TOTO Aquia II, Dual Flush 2-Piece Toilet features a dual-max flushing system which helps to conserve water and received high ANSI/ASME ratings. It was developed to handle daily use even by large families.

The toilet also features a push-button style flush option. When the toilet is flushed, the rim wash aids in keeping the bowl clean. The construction of the toilet also makes it easy and convenient to clean and disinfect and the slender tank adds style to any bathroom.

The TOTO Aquia II, Dual Flush 2-Piece Toilet is a good choice for water conservationists as well as those living in a smaller space. The two piece system is versatile and aesthetically-pleasing, built with durable parts on the inside and the out to ensure it becomes a long-lasting investment for homeowners and professional designers. With the abundance of other TOTO products and accessories, the Aquia II, Dual Flush 2-Piece Toilet will be an ideal upgrade to your next bathroom project.

Images shown may not represent the color indicated. Use as reference only.


  • Elongated skirted design, two piece toilet
  • Dual - Max Flushing System
  • Push botton style flush option
  • Excellent rim wash
  • Large, 2.13" fully glazed trapway


  • Water Use: 1.6 Gpf / 6.0 Lpf 0.9 Gpf / 3.4 Lpf
  • Flush System: Gravity Feed (Dual-Max System)
  • Min. Water Pressure: 8 psi
  • Water Surface: 4-1/2" x 6"
  • Trap Diameter: 2-1/8"
  • Rough-in: 12" rough-in
  • Acoustic Reading: 65-70dB (may vary depending on room construction)
  • Warranty: One Year Limited Warranty
  • Material: Vitreous china
  • Shipping Weight: CT416 75 lbs. ST416M 30 lbs.
  • Shipping Dimensions: CT416 27-3/4"L x 15-1/2"W1 x 10-1/2"W2 x 18"H ST416M 16"L x 7-1/2"W x 18-1/2"H

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