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Kohler San Raphael Review (Flush with Confidence) 2022 – Toiletable

Last updated: Jun 28th, 2022 by Tyler White

So you’ve been toilet shopping and have decided that Kohler is the right brand for you – but how do you know which model is best?  Well we can’t make that decision for you but we can share our expert review of their San Raphael one-piece model to help you decide if it has the features that you need. Its sleek, low-profile tank makes it stand out among other single-piece toilets and features an elongated bowl for additional comfort.

Check out the additional features and benefits below and let us know if this is the one you choose!

Table of Contents

  • Kohler San Raphael Toilet – Unique Features
    • 1. Water Consumption
    • 2. Comfortability 
    • 3. Ease of Use & Accessibility
    • 4. Tankless Design
  • Specifications List
  • Buyers Guide – Kohler San Raphael
    • #1. Unique Design
    • #2. Flushing System Details
    • #3. Ease of Cleaning
    • #4. Let’s Talk Installation
  • Frequently Asked Questions

Kohler San Raphael Toilet – Unique Features

Here are four essential features of the Kohler San Raphael:

1. Water Consumption

Installing a toilet with low water consumption can significantly decrease your water bills. Fortunately, this toilet can be classified as one of the most water-efficient models in its class. The San Raphael successfully clears all waste in a single flush, only consuming 1.28 gallons-per-flush. 

2. Comfortability 

The design of a toilet is a key element to consider, particularly the shape of the toilet bowl. 

This toilet has an elongated bowl, which is considered the more comfortable option, although it does take up more space. However, you also save room with this tankless model – discussed more below.


KOHLER K-3722-0 San Raphael toilet elongated

3. Ease of Use & Accessibility

The right height design of this toilet provides maximum comfort and ease of use. This model is a little bit taller than the standard units, making you feel as if you were sitting on a chair. Further, the taller height makes this toilet a great choice for anyone with mobility issues.

4. Tankless Design

Tankless toilets are a popular option nowadays. They look quite stylish, sleek, and modern while providing maximum convenience. Additionally, the tank-free design means these models are extremely compact. If saving space is important to you without minimizing comfort or design, this could be a great choice for you. 

Specifications List

K-3722-0 San Raphael Toilet specs

Key Features
  •  Flushing Score:   800 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:  Siphon jetWhat 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: One-Piece
  • Certifications: WaterSense
  • Dimensions (sourced from manual): Toilet (24″ x 20.5″ x 29″), 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. (15.75″)
    See image with dimensions
    KOHLER K-3722-0 San Raphael dimensions
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Product Documentation

Spec Sheet
Product Install Guide

Customer Reviews

Last updated: Junw 28, 2022

Amazon Customer Reviews
 3.8 of 5 stars  – 22 Total Reviews

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 4.0 of 5 stars  – 82 Total Reviews

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5 stars - 50 reviews
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Positive Comments (sourced from reviews)
  • Easy to clean
  • EPA WaterSense certified
  • Elongated toilet bowl
  • Consumes 1.28 GPF
  • Quiet-close seat
  • Quick-Release™ hinge
Negative Comments (sourced from reviews)
  • A little expensive compared to other similar one-piece toilets
CHECK MORE REVIEWS

Buyers Guide – Kohler San Raphael

It can be helpful to understand more of the technical details when considering a new toilet. Here’s a list of 4 important details of the sleek Kohler San Raphael toilet:

#1. Unique Design

K-3722-0 Toilet, 24.00 x 20.50 x 29.00 inches This toilet is made from vitreous china and only comes in a white finish. Its low-profile tank makes it unique and sleek with the elongated bowl, which adds more comfort.

In addition, this toilet comes with a slow-close toilet seat, preventing loud slams. Finally, the skirted trap-way adds to the cleaning efficiency of this toilet.

#2. Flushing System Details

The power flush system of the Kohler San Raphael consumes only 1.28 gallons per flush. This low water usage makes this toilet EPA WaterSense certified.

Additionally, the canister flush valve provides a convenient flushing operation and is powerful enough to get rid of clogs without wasting extra water. In fact, the high-efficiency system can save about 16,500 gallons of water per year. Even with a single flush, the San Raphael does its job well.

Further, the glazed, skirted trap-way increases the efficiency of the flushing system, and the toilet features a chrome trip lever on the tank for easy flushing operation.

It also features a Quick-Release™ hinge that allows for simple seat removal for cleaning purposes without any tools.

#3. Ease of Cleaning

Just like the Santa Rosa, this toilet doesn’t require a sophisticated cleaning procedure. This elongated toilet has smooth seamless curves that are easy to maintain. 

The manufacturer also provides a care manual that can help you take care of this toilet. You can even remove the toilet seat easily as well for a full deep clean.

#4. Let’s Talk Installation

Like most other toilets, this model requires a standard 12-inch rough-in for installation. Though the installation procedure is not tricky, this is a one-piece toilet and is quite heavy, so you may need a second pair of hands. However, the included installation guide will help guide you through a seamless installation.

Frequently Asked Questions

Which Seat Fits This Toilet?

Unlike some models in its class, Kohler San Raphael comes with a seat— the Quiet-Close French Curve. 

Can I Install This Toilet on My Own?

Long story short, yes! This system has a classic 12-inch rough-in. Plus, the San Raphael is floor-mounted. Anyone with the most basic DIY experience should be able to install this system. However, we recommend having at least two people for installation because this toilet is heavy to lift on its own.

Category iconKohler,  Toilets Tag iconbest toilet

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