Disclaimer: We’re supported by our readers. We earn a commission from product purchases using affiliate links on our site. Learn more about the program
The Kohler brand needs no introduction, but you may not be as familiar with their toilet options. It comes as no surprise that they manufacture high-quality, durable toilets and the Tresham is no exception.
The Tresham is a two-piece toilet with an elongated bowl that boasts many features and will enhance the décor of any bathroom.
Page Contents
The Review of the Kohler Tresham Toilet (Udated 2023)
Our team of toilet experts put together this review and gathered facts about the Tresham toilet.
“The Tresham is a true classic, with its sturdy, sleek build and comfortable design.”
Flush Score:1000 MaPWhat is MaP?Grams of waste removed in a single flush. Scale = 0 - 1000
Water Consumption: 1.28 GPFGallons Per FlushEfficient toilets use 1.28 gallons per flush, saving 20% more water than 1.6 GPF toilets.
Bowl Shape:ElongatedShape ExplainedElongated bowls are oval shape and 2” inches wider than round bowls
Flushing System:AquaPiston 360° Gravity FlushWhat is a AquaPiston 360° Gravity Flush?Flapper-less design using a canister. Water rotates 360 degree into the bowl, creating a powerful flush.
Flush Type: Single
Style: Two-Piece
Certifications: ADA, WaterSense
Dimensions (sourced from manual): Toilet (29.17″ x 16.62″ x 31.25″), Rough-inWhat is a Rough-in??Measurement between center of waste pipe and wall (12″), TrapwayWhat is a Trapway?S-shaped curved channel inside the base of the toilet. Waste travels from the bowl through the trapway, then out the bottom of the toilet. (2.12″), Seat HeightWhat is the Seat Height?The measurement from the floor to the top of the toilet seat. Standard height toilets measure between 15 - 17 inches, while chair height toilets measure 17 inches or more. (17.25″)
See image with toilet dimensions
Just like most Kohler collections, the Tresham collection comes in a variety of sizes, flushing set-ups, and accessories. We take a closer look at one of the most decked-out models – the K-3981-RA!
Flushing Power
The Tresham K-3981-RA model has a precision-engineered tank that harnesses the power of gravity to maximize siphon strength.
Every flush removes waste in a matter of seconds without leaving streaks or stains behind.
The model is also equipped with an AquaPiston canister that increases flushing power by letting water flow in from a 360 degree angle.
The toilet’s 3:2 flush valve ratio further optimizes flush performance thanks to a durable canister design that has 90% less exposed seal material than traditional three-inch flappers.
Reduced exposure means reduced chance of leakage.
The K-3981-RA’s light-touch canister flush has a lower actuation force than traditional flappers, so every flush is effective and hassle-free.
The toilet uses 1.28 gallons per flush, a cost-saving and environmentally friendly water usage
Smart Design
The K-3981-RA is a one-piece unit that seamlessly blends its bowl and tank together. The model’s angular structure and crown-like molding give the toilet a nice, chic feel.
Thanks to its skirted trapway, you’ll only spend a minimal amount of time cleaning the toilet, as there’s not much space for dirt and grime to hide.
The K-3981-RA has a Comfort Height of 16.5” and comes with an elongated bowl, making it ADA-compliant; a right-hand polished chrome trip lever is also included.
A Quiet-Close seat comes with the toilet, which retain the seat’s quality by preventing unintentional slamming. The seat’s quick-release hinges further simplify the cleaning process by being easily removable.
The K-3981-RA has a ReadyLock installation system that eliminates the need to drill into the floor for the traditional 12” rough-in – you won’t even need professional help to complete the job!
The model only comes in white and biscuit. A right-hand polished chrome trip lever is included.
In love with the K-3981’s design but can’t swing the price tag? The K-3950 is one of the Tresham collection’s most budget-friendly models.
The model features the same cozy design as the K-3981 and many of its best features, such as the 1.28gpf, AquaPiston flushing system, and ADA-compliant design.
However, you’ll need to purchase your own seat and supply line.
Users love the K-3981’s comfortable design and elegant look. Users praise the toilet’s reliable flushing system and are impressed by its clog-free performance.
There aren’t many negative reviews available about the toilet’s performance.
The most common complaint is about the toilet’s price tag; although expensive, the immense amount of perks still make the toilet worth it.
