1. Product Overview
The KOHLER Purefresh Round Toilet Seat (Model K-5589-0) is designed to enhance your bathroom experience with several integrated features. This seat includes a Quiet-Close mechanism to prevent slamming, a programmable LED nightlight for visibility, and an odor neutralization system with an integrated freshener. It also features a convenient toddler seat for child training and Quick-Release hinges for easy cleaning.
Video: Unboxing and overview of the KOHLER Purefresh Round Toilet Seat, highlighting the nightlight, toddler seat, and quiet-close features.
2. Compatibility and Measurements
This toilet seat is designed for round-front toilet bowls. To ensure proper fit, measure your current toilet seat from the hinge bolts to the front of the bowl. A round-front seat typically measures approximately 16.5 inches (41.9 cm) from the hinge bolts to the front edge.

Image: This diagram illustrates the difference in length between round-front (approximately 16¾ inches) and elongated (approximately 18⅝ inches) toilet seats, aiding in proper selection.
3. Installation Instructions
Follow these steps to install your KOHLER Purefresh Round Toilet Seat:
- Prepare the Toilet: Ensure the toilet bowl surface is clean and dry. Remove any existing toilet seat and hardware.
- Install Mounting Hardware: Place the mounting posts into the holes on the toilet bowl. Secure them loosely with the provided nuts from underneath the bowl.
- Attach Quick-Release Hinges: Align the Quick-Release hinge bases with the mounting posts. Press down firmly until they click into place.
- Position the Seat: Carefully lower the toilet seat onto the hinge bases. Ensure the seat is centered and aligned with the bowl.
- Secure the Seat: Once aligned, tighten the nuts on the mounting posts from underneath the bowl until the seat is secure and does not shift. Do not overtighten.
- Install Batteries for Nightlight: Open the battery compartment (typically located on the underside of the seat or hinge). Insert two (2) D batteries (not included), ensuring correct polarity. Close the compartment securely.

Image: A close-up view of the Quick-Release hinge mechanism, showing the mounting screws and the design that allows for easy removal and reattachment of the seat.

Image: This image shows hands carefully lowering the toilet seat onto the installed hinge posts on the toilet bowl, demonstrating a step in the installation process.
4. Operating Instructions
4.1 Quiet-Close Feature
The Quiet-Close feature allows the toilet seat and lid to close slowly and quietly without slamming. Simply push the lid or seat down gently, and the mechanism will engage, lowering it softly to the bowl.
4.2 LED Nightlight
The integrated dual LED nightlight provides both guide and task lighting for up to 8 hours. The nightlight can be programmed to activate during specific times or when motion is detected (refer to the detailed programming instructions in the full manual for specific settings). It operates on two D batteries, providing up to 6 months of battery life depending on usage and battery brand.

Image: A top-down view of the KOHLER Purefresh Round Toilet Seat, illustrating the subtle blue glow of the integrated LED nightlight from the rear of the seat.
4.3 Odor Neutralization System
The Purefresh seat includes a carbon filter system that continuously neutralizes odors for up to 6 months. To activate or replace the carbon filter:
- Locate the odor neutralization vent on the side of the seat.
- Press the release button or tab to open the compartment.
- Remove the old carbon filter and insert a new one. Ensure it is seated correctly.
- Close the compartment securely.

Image: A hand pressing a small button on the side of the toilet seat, which opens the vent for the odor neutralization system, allowing access to the carbon filter.
4.4 Integrated Freshener
An integrated freshener dispenses a light, subtle scent for up to 1 month. To replace the scent pack:
- Locate the scent pack compartment, often near the odor neutralization system.
- Open the compartment.
- Remove the depleted scent pack and insert a new one.
- Close the compartment securely.

Image: A hand carefully placing a small, red scent pack into a dedicated slot within the toilet seat's freshener compartment.
4.5 Toddler Seat
The seat includes a smaller, integrated toddler seat for child training. This seat can be lowered for use by children and then lifted and secured magnetically into the lid when not needed, providing a seamless transition for all users.

Image: A side profile of the KOHLER Purefresh Round Toilet Seat, illustrating the main seat and the smaller, integrated toddler seat in an upright position, tucked into the lid.
5. Maintenance and Cleaning
5.1 General Cleaning
Clean the toilet seat regularly with mild soap and water. Avoid abrasive cleaners, harsh chemicals, or scrub brushes, as these can damage the finish and internal components. Wipe dry with a soft cloth.
5.2 Quick-Release for Easy Cleaning
The Quick-Release hinges allow for easy removal of the seat for thorough cleaning. To remove the seat:
- Locate the Quick-Release levers at the back of the seat, near the hinges.
- Lift the levers to disengage the seat from the mounting posts.
- Lift the entire seat straight up to remove it from the toilet bowl.
- Clean the seat and the area around the mounting posts.
- To reattach, align the seat with the mounting posts and press down until the levers click back into place.

Image: A hand demonstrating the Quick-Release function by lifting a lever on the toilet seat hinge, which allows the seat to be easily detached for cleaning.
5.3 Filter and Scent Pack Replacement
Replace the carbon filter every 6 months and the scent pack every 1 month, or as needed, to maintain optimal performance of the odor neutralization and freshener systems. Refer to sections 4.3 and 4.4 for replacement steps.
5.4 Battery Replacement
Replace the two D batteries for the nightlight when the light dims or stops functioning. Refer to section 3, step 6 for battery installation instructions.
6. Troubleshooting
- Nightlight not working: Check battery installation and ensure batteries are fresh. Verify programming settings.
- Seat not closing quietly: Ensure the Quiet-Close mechanism is not obstructed. Clean hinges if necessary.
- Odor not neutralizing: Replace the carbon filter. Ensure the vent is not blocked.
- Scent not noticeable: Replace the scent pack. Ensure the compartment is properly closed.
- Seat is loose: Tighten the mounting nuts underneath the toilet bowl. Do not overtighten.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Kohler |
| Model | K-5589-0 |
| Color | White |
| Material | Plastic |
| Style | PureFresh |
| Shape | Round |
| Product Dimensions | 18.9"L x 3.7"W |
| Item Weight | 5 Pounds |
| UPC | 885612357304 |
| Manufacturer | KOHLER |
| Nightlight Battery Life | Up to 6 months (uses 2 D batteries, not included) |
| Carbon Filter Life | Up to 6 months |
| Scent Pack Life | Up to 1 month |
8. Warranty and Support
For warranty information, product registration, or technical support, please visit the official KOHLER website or contact KOHLER customer service. Keep your purchase receipt for warranty claims.
KOHLER Website: www.kohler.com
Customer Service: Refer to the contact information provided on the KOHLER website or in the packaging for your region.





