Best Rear Discharge Toilet: Top Picks for 2025’s Best Products

Rear discharge toilets have become increasingly popular for homeowners looking for space-efficient bathroom solutions. These innovative fixtures are designed to direct waste water out of the back of the toilet, making them an ideal choice for compact bathrooms or those with limited plumbing options. In this article, we will explore the best rear discharge toilet options available on Amazon in 2025. Our buying guide will help you make an informed decision, with in-depth reviews of the top 10 products that stand out for their quality and design.

Why Choose a Rear Discharge Toilet?

Rear discharge toilets offer several advantages over traditional models. They are particularly useful for remodeling or upgrading small bathrooms, as they can save significant space by allowing the plumbing to be routed through the wall rather than the floor. Additionally, many rear discharge toilets feature sleek designs that enhance the modern appeal of bathrooms.

Buying Guide for Rear Discharge Toilets

When shopping for the best rear discharge toilet, consider the following factors:

1. Design and Style

Rear discharge toilets come in various designs—from contemporary to classic styles. Consider the overall aesthetics of your bathroom when selecting a model to ensure a cohesive look.

2. Size

Space is a critical factor when choosing a rear discharge toilet. Measure your bathroom and ensure the toilet fits comfortably without obstructing movement or other fixtures.

3. Flush Performance

Look for toilets with powerful flushing mechanisms to ensure efficient waste removal. Toilets featuring dual-flush systems can also help save water.

4. Easy Installation

Consider ease of installation, especially if you plan to do it yourself. Some models may require professional installation, which could increase costs.

5. Price

Rear discharge toilets are available in various price ranges. Set a budget and look for models that provide the best value within that range.

6. Customer Reviews

Lastly, always check customer reviews and ratings to gauge the real-world performance and reliability of the toilet models you are considering.

Top 10 Rear Discharge Toilets on Amazon

1. Kohler K-4401-0 San Souci Toilet

The Kohler K-4401-0 San Souci is a stunning example of a modern rear discharge toilet. With its compact design and stylish curves, it fits well in any contemporary bathroom. Featuring a one-piece design, it is easy to clean and maintain. Its AquaPiston flushing system delivers a strong flush while consuming only 1.28 gallons per flush (gpf).

Dimensions: 25.75 x 15 x 29.5 inches

Weight: 93 pounds

Consider its sleek, low-profile design, which allows for increased space in smaller bathrooms without compromising on style.

With its quiet flush system and WaterSense certification, the Kohler K-4401-0 San Souci is an excellent choice for those looking to conserve water while enjoying a modern bathroom experience.

Bestseller No. 1
KOHLER K-5172-HC-0 San Souci Comfort Height One-Piece Compact Elongated 1.28 gpf Toilet with Concealed Trapway And Hidden Cord Design, White
  • One-piece toilets integrate the tank and bowl into a seamless, easy-to-clean design
  • Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 gpf (48 lpf)
  • Left-hand Polished Chrome trip lever

2. American Standard Vormax Plus

The American Standard Vormax Plus is designed with advanced flush technology, featuring a powerful single flush that cleans the bowl thoroughly. The unique VorMax flushing system utilizes a 1.28 gpf to ensure efficient waste removal. Its sleek, elongated design makes it comfortable for everyday use while also fitting well into smaller spaces.

Dimensions: 28.5 x 15 x 32 inches

Weight: 100 pounds

This rear discharge toilet also includes a rimless bowl, making it easier to clean and maintain. The elongated shape provides added comfort, while the low-profile design saves valuable bathroom space.

This model is not only stylish but also eco-friendly, making it an excellent option for modern households.

Bestseller No. 1
American Standard 7381657-200.0070A Vormax Toilet Flapper Assembly, Black
  • BEST-IN-CLASS: The American Standard Vormax toilet flapper provides optimal performance ideal for vormax toilets
  • DURABILITY: Built to last, this toilet flapper by American Standard features a secure metal toilet chain that provides durability for bathrooms for years to come
  • EASY INSTALLATION: This American Standard toilet flapper assembly is easy to install and includes an installation guide to walk you through the process
  • POWERFUL: The American Standard Vormax toilet flapper is essential for Vormax toilets featuring flushing technology that cleans two times better than conventional toilets
  • INCLUDES: American Standard Vormax toilet flapper assembly includes dual flappers with silicone seals and teeter bar; Country of origin: China

3. TOTO MS964214CEFG#01 Neorest Toilet

For those seeking a luxurious option, the TOTO MS964214CEFG#01 Neorest is an excellent choice. This high-end toilet features a modern design with an integrated bidet system, heated seat, and air dryer. The Tornado Flush system efficiently evacuates waste and cleans the bowl. Its eco-friendly design uses only 1.0 gpf, making it an eco-friendly option for luxury bathrooms.

Dimensions: 27.5 x 15 x 18 inches

Weight: 100 pounds

This model is perfect for tech-savvy individuals who appreciate cutting-edge design and convenience. The TOTO Neorest not only functions well but elevates the overall bathroom experience.

Bestseller No. 1
TOTO NEOREST RS Dual Flush 1.0 or 0.8 GPF Toilet with Intergeated Bidet Seat & EWATER+, Cotton White - MS8341CUMFG#01
  • ✅ TOTO NEOREST RS DUAL FLUSH 1.0 : Sleek, low profile one-piece skirted Smart Bidet Toilet with integrated personal cleansing & comfort features | Ultra high-efficiency dual flush functionality - 1.0 GPF / 0.8 GPF (3.8 LPF / 3.0 LPF).
  • ✅ TORNADO FLUSH: System utilizes 360° cleaning power to reach every part of the hole-free rim design bowl | Auto flush - with back-up manual flush for power outages | Auto open/close lid | Automatic & programmable energy saving systems.
  • ✅ PREMIST: automatically mists the bowl before each use | Gentle aerated, warm water, dual-action spray with oscillating & pulsating features | Instantaneous water heater for continuous warm water & energy savings | Multifunction pearl white block-style remote control.
  • ✅ CEFIONTECT: ceramic glaze minimizes waste from sticking to porous ceramic surfaces | Adjustable spray position, water temperature & water pressure | Warm air dryer with five variable temperature settings | 4-users personalized memory settings.
  • ✅ EWATER+: auto-cleans wand & bowl after every use | Heated seat with temperature control | Seamless seat design eliminates the gap where dirt collects | Automatic air deodorizer | Universal Height, ADA compliant | Night light.

4. Gerber 21-918 Toilet

The Gerber 21-918 is a great budget-friendly option for those in need of a reliable rear discharge toilet. Despite its economical price point, it doesn’t compromise on performance. The toilet features a standard 1.6 gpf, ensuring a strong flush and efficient waste removal. Its compact design makes it a perfect fit for smaller bathrooms.

Dimensions: 29 x 15.25 x 30.5 inches

Weight: 89 pounds

This toilet is a great choice for those looking for affordability and reliability without sacrificing quality. Gerber provides a solid model that can fit various bathroom styles.

Bestseller No. 1
Gerber Maxwell 1.6gpf Combo: 21-962 Bowl w/MX-28-990 Tank White
  • Elongated Bowl 14 1/2" Height
  • ColorMatched Front mounted tank lever
  • 2" glazed trapway for efficient waste removal
  • Dual fed siphon jets for consistent flush power
  • 3" flush valve for strong water flow and flushing power

5. Swiss Madison SM-1T254 St. Tropez

The Swiss Madison SM-1T254 St. Tropez is a stylish and modern rear discharge toilet featuring a sleek one-piece design. It uses a dual-flush system to conserve water with options of 0.8 or 1.28 gpf, making it a sustainable choice. The elongated bowl design ensures comfort, and the modern aesthetic adds elegance to any bathroom.

Dimensions: 27.5 x 15 x 28 inches

Weight: 98 pounds

This model is especially noteworthy for its soft-close seat and easy installation process, making it a popular choice among homeowners and contractors alike.

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6. Woodbridge T-0019

The Woodbridge T-0019 is a stylish and modern toilet that combines luxury with practicality. This model features an elegant one-piece design that enhances any bathroom’s aesthetics. The dual-flush mechanism allows for eco-friendly 1.0 and 1.6 gpf options, helping conserve water without sacrificing performance. The quiet close seat and sleek finish make it a popular choice for modern bathrooms.

Dimensions: 28.5 x 16.5 x 28 inches

Weight: 104 pounds

This rear discharge toilet includes a powerful flushing system that ensures efficient waste removal while requiring minimal maintenance.

Bestseller No. 1
WOODBRIDGEE One Piece Toilet with Soft Closing Seat, Chair Height, 1.28 GPF Dual, Water Sensed, 1000 Gram MaP Flushing Score Toilet with Chrome Button T0001-CH, White
  • [CHAIR HEIGHT DESIGN]:WOODBRIDGE chair height toilet not only meets ADA standards, must have a 17-19" floor to bowl rim height with seat included, but also offer more comfort to taller people and people who have a hard time getting up from a low seat.
  • [EASY TO CLEAN]:With a completely smooth, easy to wipe down surface. With our fully concealed trap-way, there are no bends or corners to gather dust. Also, no large mounting holes or ugly plastic caps to be seen.
  • [Chrome BUTTON]:A timeless, sophisticated and flattering Chrome-plated top button is included, the flat will bringing out the shimmer of brass and other metal and is perfectly pair with your home's metalic elements.
  • [QUITE & POWERFUL FLUSHING]:Siphon Flushing one piece toilet, Fully glazed flush system , bringing a super quiet and powerful flushing - NO clogs, NO leaks, and NO problem
  • [Map Flush 1000 Grams]:Best Maximum Performance Flush score of 1000 grams. Highly Recommended Map Scoring Toilet

7. Niagara Conservation 77001

The Niagara Conservation 77001 is an eco-friendly choice, offering a remarkably low water usage of only 0.8 gpf. This dual-flush toilet features a traditional design, making it a fit for various aesthetics. Its eco-efficient technology offers high flushing performance while conserving water, making it a sustainable bathroom option.

Dimensions: 26.5 x 14.5 x 29 inches

Weight: 80 pounds

This model is ideal for those who prioritize sustainability without compromising on flushing power. The classic design blends well with existing bathroom furniture and fixtures.

OFF -$1.00Bestseller No. 1
Niagara Conservation 1.5 GPM 0.9-in. Pressure-Compensating Standard Bubble-Spray Faucet Aerator in Chrome, 2-Pack FA012CPB1-WS-2 | CA Compliant Bathroom Sink Faucet and Kitchen Sink Aerator
  • STEADY PRESSURE: Our Niagara Conservation sink faucet aerator provides high performance at most water pressures. You get a steady spray thanks to our patented pressure-compensation technology.
  • CONSERVES WATER: Our California Compliant aerator for sink faucets gives you significant annual savings in water and heating costs while you get effective bubble spray from your bathroom faucet even on low flow.
  • LOW FLOW AND EASY TO INSTALL: This kitchen sink aerator uses a reduced flow rate to minimize the energy needed to heat the water. It's also dual-threaded and uses a special installation key for easy setup.
  • CORROSION RESISTANT: Solid brass, high impact-resistant polycarbonate thermoplastic and chrome finishing in our bathroom sink faucet aerators give you added toughness and help fight corrosion.
  • WATERSENSE COMPLIANT: Our efficient and cost-saving kitchen faucet aerator is ANSI certified, CEC certified, DOE listed, CSA listed, and Watersense compliant in EPA criteria in water efficiency.

8. American Standard 2034.014.020

The American Standard 2034.014.020 toilet is a compact option, making it perfect for small bathrooms or powder rooms. It features a powerful flush that expels waste while using only 1.6 gpf. The elongated bowl design adds comfort, and the stylish appearance enhances any decor.

Dimensions: 27.5 x 15.5 x 28.5 inches

Weight: 89 pounds

This toilet also includes a nice porcelain surface, ensuring durability and ease of cleaning. It is an excellent value for anyone needing a compact and reliable rear discharge toilet.

OFF -$36.15Bestseller No. 1
American Standard 2034314.020 Champion 4 One-Piece Toilet with Toilet Seat, Elongated Front, Chair Height, White, 1.6 gpf
  • CLOG-FREE RELIABILITY: Large 4-in. flush valve for optimal power
  • EASY TO KEEP CLEAN: One-piece toilet has less seams and crevices
  • EVERCLEAN SURFACE: Inhibits stain and odor-causing buildup
  • INDUSTRY-LEADING POWER: Equipped with a large 4-in. flush valve (102 mm) and 2-3/8-in. (60 mm) fully-glazed trapway this one-piece toilet is virtually clog-free
  • EASY-CLEAN ONE-PIECE TOILET: Sleek, seamless construction eliminates the crevices where dirt can hide, and EverClean surface inhibits the growth of unpleasant stain and odor-causing buildup

9. Glacier Bay 1-Piece Toilet

The Glacier Bay 1-Piece Toilet is designed for those seeking affordability without sacrificing performance. Its 1.28 gpf flushing system ensures efficiency and effectiveness, while its one-piece construction makes it easy to install and clean. The stylish design adds contemporary charm to any bathroom setting.

Dimensions: 27 x 15 x 28 inches

Weight: 73 pounds

This model is perfect for those looking for a budget-friendly, reliable rear discharge toilet that still delivers great results.

OFF -$2.00Bestseller No. 1
3" Dual Flush Valve Kit Fits for Project Source One-Piece Toilets, Compatible With Glacier Bay Valves Repair Parts, 7.8in Height Toilet Flush Valve Replacement for FLUIDMASTER
  • Replaces old, or broken 3 in. toilet flush valve, restore your Dual Flush toilet back to original factory performance
  • Easy top-mount install, replacement for FLUIDMASTER 830VTGB, Glacier Bay, Project Source Laporte 1-piece toilets
  • The diameter of outlet is 3.15in / 80mm; fits 3" dual flush valve one-piece toilets
  • Height of valve body is 7.8in / 19.8cm, fits for toilet cistern highly: 9.84in-3.78in / 25cm - 35cm
  • Package include is 1 x toilet dual flush valve kit of one-piece toilet

10. St. Thomas Creations 5001.012

The St. Thomas Creations 5001.012 is uniquely designed with a sleek, minimalist aesthetic. Featuring a high-efficiency 1.6 gpf flush, this model balances water conservation with effective waste removal. The elongated bowl enhances comfort, while the stylish lines and finish allow the toilet to serve as a statement piece in any bathroom.

Dimensions: 28 x 14 x 30.5 inches

Weight: 100 pounds

This toilet is especially ideal for contemporary or modern bathrooms, and its robust build ensures long-lasting performance.

Conclusion

In 2025, the best rear discharge toilets available on Amazon offer various options to suit any bathroom style, from modern and luxurious to practical and budget-friendly. Selecting the best rear discharge toilet for your home requires careful consideration of your space, budget, and personal style preferences.

Whether you gravitate toward eco-friendly models or those featuring advanced flushing systems, the toilets reviewed in this article provide options that deliver both functionality and aesthetics. By evaluating the factors outlined in our buying guide, you’ll be well on your way to finding the ideal rear discharge toilet for your needs.

Remember to always check the most recent customer reviews to ensure you are getting a product that meets current standards for quality and performance. Happy shopping!

Last update on 2025-08-27 / Affiliate links / Images from Amazon Product Advertising API | hishecozy.com is a participant in the Amazon Associate program and will earn from qualifying purchases.

Evelyn Hawthorne
Evelyn Hawthorne