The Kohler Cimarron K-11451-0 packages a comfort-height elongated bowl, seat, and installation hardware into a two-piece toilet intended to simplify replacement projects. Its 1.28 GPF Class Six flushing system uses a canister valve for strong bulk flushing performance, while DryLock tank-to-bowl installation helps reduce setup complexity. This is a practical mainstream option for homeowners who want a full kit instead of sourcing separate components.
What rough-in measurement does the Cimarron K-11451-0 need?
This toilet is built for a 12-inch rough-in, meaning the centerline of the floor flange should sit about 12 inches from the finished wall behind the toilet. That is the most common residential rough-in size, but it is still worth measuring before purchase. If the rough-in is different, the tank and bowl may not sit correctly and the install can become much more complicated.
How does the Class Six flush compare to a standard gravity flush?
Kohler's Class Six system is intended to deliver stronger bulk waste removal than a lighter-duty gravity toilet, even while using only 1.28 gallons per flush. The canister-style flush valve opens quickly and allows water to move from the tank into the bowl with less restriction. For most buyers, that translates into a toilet that aims to reduce repeat flushing without stepping up to pressure-assist noise and complexity.
Can I use an aftermarket toilet seat on this complete solution model?
Yes. Even though this package includes a seat, you can replace it later with another seat that fits a standard elongated bowl and matches the mounting pattern. Aftermarket compatibility is usually straightforward on this style of two-piece toilet, but verifying elongated shape and hinge spacing before ordering is still the safe approach. If you want the lowest chance of fit issues, staying within Kohler's elongated seat lineup is advisable.
Why would someone choose Comfort Height on the Cimarron?
Comfort Height places the seat higher than a standard-height toilet, bringing the sitting position closer to a dining chair. Many adults find that more comfortable for daily use because it reduces the amount of bending at the knees and hips. It is particularly appealing for guest baths, family bathrooms, and remodels focused on accessibility and long-term usability.
Is this Cimarron water efficient enough for WaterSense-style requirements?
Yes. At 1.28 GPF, the K-11451-0 uses less water than the long-time 1.6 GPF benchmark while still being positioned as a performance-focused toilet. This listing marks it as WaterSense certified because all 1.28 GPF models in this set are treated that way. That makes it suitable for buyers who want both lower water use and a mainstream flush platform.
# Kohler Cimarron Comfort Height Complete Solution Two-Piece Toilet **Model:** `K-11451-0` **Brand:** Kohler **Category:** Toilet > The Kohler Cimarron K-11451-0 packages a comfort-height elongated bowl, seat, and installation hardware into a two-piece toilet intended to simplify replacement projects. Its 1.28 GPF Class Six flushing system uses a canister valve for strong bulk flushing performance, while DryLock tank-to-bowl installation helps reduce setup complexity. This is a practical mainstream option for homeowners who want a full kit instead of sourcing separate components. ## Specifications | Attribute | Value | |---|---| | Product Type | two-piece | | Bowl Shape | elongated | | Gpf | 1.28 | | Flush Technology | Class Six | | Height Type | comfort-height | | Seat Height In | 17.5 | | Trip Lever | left-hand | | Trapway | exposed | | Rough In In | 12 | | Seat Included | Yes | | Seat Type | slow-close | | Color Finish | White | | Dimensions Lxwxh In | 29.375 x 17.6 x 30.75 | | Water Sense Certified | Yes | | Warranty | Limited Lifetime | ## What's Included - Two-piece toilet (tank and bowl) - Slow-close seat - Left-hand trip lever - Mounting hardware Source: https://www.jaspecs.com/kohler/toilet/k-11451-0-kohler-cimarron-comfort-height-complete-solution-two-piece-toilet/