10 Best Rear Drain Toilet 2025 in the United States

The SUPERFLO Rear Outlet Toilet stands out with a bowl height of 19 inches, making it highly suitable for seniors or individuals with mobility issues. This elevated design ensures comfort and ease of use. Its versatile installation options, including compatibility with rear and wall drains, provide flexibility. Additionally, pairing it with a macerator pump can further enhance its application range, making it a versatile choice for various bathroom setups.

The dual-flush system is water-efficient, offering a full flush at 1.28 gallons per flush (GPF) and a half flush at 0.8 GPF, which is advantageous for conserving water. The soft-close seat is a notable feature that ensures quiet and gentle closure, preventing disruptive noise, and adding to the user-friendly experience. The toilet's seamless base design facilitates easy cleaning and contributes to a hygienic bathroom environment. However, the round bowl shape may be less comfortable for some users compared to elongated shapes.

The product weighs 92 pounds, which could pose challenges during installation, requiring careful handling. Despite these considerations, the sleek white ceramic design enhances bathroom aesthetics. This toilet is particularly beneficial for seniors and those with mobility issues, offering a combination of comfort, efficiency, and ease of maintenance, though potential users should be prepared for its weight during installation.

The TOTO Drake Two-Piece Elongated Toilet offers a mix of powerful performance and modern design. Its TORNADO FLUSH system ensures effective cleaning with a circular water motion, combined with the CEFIONTECT glaze to prevent waste buildup, meaning less frequent cleaning for you. The standard height may be more comfortable for those who prefer a traditional toilet height over taller options.

With a 1.6 gallons per flush rate, it conserves water without compromising on the flushing power, thanks to the wide 3-inch flush valve and siphon jet bowl. This makes it efficient, ensuring waste is cleared in one go. The elongated bowl shape adds comfort while the cotton white finish suits various bathroom décors.

It is relatively easy to install, fitting into 12-inch rough-in spaces. However, you will need to purchase the wax ring, flange bolts, and water supply lines separately, which adds to the installation cost. At 89 pounds, it is quite heavy, so handling during installation may require an extra pair of hands. Despite these minor drawbacks, the TOTO Drake stands out for its reliable performance, water efficiency, and sleek design that can enhance any bathroom.

The Kohler K-3578-0 Two-Piece Elongated Toilet Bowl is a solid option for those looking for a rear-drain toilet. The elongated bowl shape provides added room and comfort, which can be a significant advantage for users seeking extra space. The 'Comfort Height' feature, which mimics chair-height seating, makes it easier for most adults to sit down and stand up, enhancing accessibility and comfort.

The toilet uses a Sloan FLUSHMATE system, providing powerful and effective flushes that ensure cleanliness with a single use. The water consumption rate is 1 gallon per flush (GPF), which is efficient and helps in water conservation, making it an eco-friendly choice certified by WaterSense. However, the toilet uses a gravity flush system, which might not be as effective as pressure-assisted flushes in some scenarios.

The vitreous china material offers durability and an easy-to-clean surface, maintaining a pristine look over time. Installation is floor-mounted, which is standard and relatively straightforward for most users. The noise level isn't specifically mentioned, but gravity flush systems are typically quieter than pressure-assisted models. Aesthetically, the toilet has a clean, white finish with a polished chrome trip lever, fitting well into most bathroom designs. This toilet may be best suited for users looking for comfort and water efficiency who don't mind a slightly higher installation effort due to its two-piece design.