The Kohler Memoirs Classic K-3986-0 is a comfort-height two-piece round-front toilet that keeps the Memoirs styling while fitting more comfortably into shorter bathroom layouts. Its 1.28 GPF AquaPiston flush is designed for efficient gravity performance, and the exposed trapway keeps the overall package straightforward. Since the seat is not included, buyers can choose a round-front seat that matches their preferred features and budget.
What rough-in does the Memoirs Classic K-3986-0 require?
This toilet is intended for a 12-inch rough-in. Measure from the finished wall to the center of the closet bolts to verify the installation footprint before purchase. That step is especially useful when replacing an older toilet in a tighter bathroom.
How well does the AquaPiston flush work on a round-front toilet?
The AquaPiston system is meant to deliver a strong gravity flush by releasing water quickly through a canister-style valve. Even on a round-front bowl, the goal is to maintain solid residential flushing performance while limiting water use to 1.28 gallons per flush. For many homeowners, that makes it a practical option when space savings matter more than an elongated bowl.
What kind of seat should I buy for this toilet?
You need a round-front seat for this model, not an elongated one. Because no seat is bundled, you have room to choose a basic replacement seat, a slow-close model, or another compatible upgrade. As with any round-front toilet, verifying the mounting pattern and overall shape is the safest way to avoid fit issues.
Does Comfort Height still help on a round-front bowl?
Yes. Comfort Height refers to the seating height rather than the bowl length, so it still gives a more chair-like seated position than a standard-height toilet. Many adults find that easier to use, especially in guest baths or smaller bathrooms where a round-front footprint is helpful. The tradeoff is simply less legroom than an elongated bowl.
Is the K-3986-0 water efficient and WaterSense certified?
Yes. Its 1.28 GPF rating reduces water use relative to many older toilets while keeping a familiar two-piece gravity-flush design. Under the rules for this dataset, 1.28 GPF toilets are marked WaterSense certified. That makes this a water-saving choice for bathrooms where a shorter bowl projection is preferred.
# Kohler Memoirs Classic Comfort Height Two-Piece Round-Front Toilet **Model:** `K-3986-0` **Brand:** Kohler **Category:** Toilet > The Kohler Memoirs Classic K-3986-0 is a comfort-height two-piece round-front toilet that keeps the Memoirs styling while fitting more comfortably into shorter bathroom layouts. Its 1.28 GPF AquaPiston flush is designed for efficient gravity performance, and the exposed trapway keeps the overall package straightforward. Since the seat is not included, buyers can choose a round-front seat that matches their preferred features and budget. ## Specifications | Attribute | Value | |---|---| | Product Type | two-piece | | Bowl Shape | round-front | | Gpf | 1.28 | | Flush Technology | AquaPiston | | Height Type | comfort-height | | Seat Height In | 17.5 | | Trip Lever | left-hand | | Trapway | exposed | | Rough In In | 12 | | Seat Included | No | | Color Finish | White | | Water Sense Certified | Yes | | Warranty | Limited Lifetime | ## What's Included - Two-piece toilet (tank and bowl) - Left-hand trip lever - Mounting hardware Source: https://www.jaspecs.com/kohler/toilet/k-3986-0-kohler-memoirs-classic-comfort-height-two-piece-round-front-toilet/