Introduction
Thank you for choosing the American Standard Champion 5359C051H.020 Elongated Slow-Close Toilet Seat. This manual provides essential information for the proper installation, operation, maintenance, and troubleshooting of your new toilet seat. Please read these instructions thoroughly before installation and retain them for future reference.
Important Safety Information
- Always wear appropriate safety gear, such as gloves and eye protection, during installation.
- Do not overtighten fasteners, as this may damage the toilet bowl or the seat.
- Keep small parts away from children to prevent choking hazards.
- Ensure all connections are secure before using the toilet seat.
- Do not stand on the toilet seat or lid.
Package Contents
Please verify that all components are present before beginning installation:
- Elongated Toilet Seat with Lid
- Mounting Hardware (bolts, washers, nuts)
- Installation Instructions (this manual)
Setup and Installation
Follow these steps to install your new American Standard toilet seat:
- Remove Old Toilet Seat:
Lift the hinge covers on your old toilet seat. Use a screwdriver to loosen the bolts holding the seat to the toilet bowl. Remove the bolts, washers, and nuts, then lift the old seat off.
- Clean Mounting Area:
Thoroughly clean the toilet bowl's mounting holes and surrounding area to ensure a secure and hygienic installation.
- Position New Seat:
Place the new American Standard toilet seat onto the toilet bowl, aligning the mounting posts with the holes in the bowl.
- Install Mounting Hardware:
Insert the provided bolts through the mounting posts and the holes in the toilet bowl. From underneath the bowl, attach the washers and nuts to the bolts. For top-mount installations, the hardware may be designed to tighten from the top. Follow the specific instructions provided with your hardware for tightening.

Image: An installed American Standard elongated slow-close toilet seat, showing its position on the toilet bowl. The lid is slightly open, demonstrating the slow-close feature.
- Adjust and Tighten:
Adjust the seat position to ensure it is centered and aligned with the toilet bowl. Once satisfied with the alignment, securely tighten the nuts. Do not overtighten. The telescoping feature ensures the lid covers the seat hinges for a clean look.
- Test Slow-Close Feature:
Gently lift the seat and lid, then let go. They should lower slowly and quietly without slamming.
Operating Instructions
Slow-Close Function
The American Standard Champion toilet seat is equipped with a slow-close mechanism designed for quiet and gentle closing. To operate, simply lift the seat or lid to the desired open position. When you are finished, gently push the seat or lid downwards, or simply let go. The integrated hinges will automatically lower the seat and lid slowly and quietly, preventing slamming and potential damage.
Telescoping Lid
The telescoping lid design means the lid extends to fully cover the seat hinges, providing a streamlined and aesthetically pleasing appearance. This is a design feature and does not involve active user operation beyond normal opening and closing.
Maintenance and Cleaning
Proper care will ensure the longevity and hygiene of your toilet seat. The EverClean surface helps inhibit the growth of stain and odor-causing bacteria, mold, and mildew on the surface.
- Regular Cleaning: Clean the toilet seat regularly with mild soap and water. Use a soft cloth or sponge.
- EverClean Surface: The EverClean surface is designed for easy cleaning. Avoid abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the finish and compromise the EverClean properties.
- Hinge Care: Periodically check the hinge area for cleanliness. Ensure no debris interferes with the slow-close mechanism. Do not apply lubricants to the slow-close hinges.
- Avoid Harsh Chemicals: Do not use toilet bowl cleaners, bleach, or other strong chemical cleaners directly on the toilet seat, as they can cause discoloration or damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Toilet seat is loose. | Mounting bolts are not tight enough. | Tighten the mounting bolts. Ensure not to overtighten. |
| Slow-close feature not working properly (seat slams). | Hinges are dirty or damaged. | Clean the hinge area. If hinges are damaged, contact American Standard customer support for replacement parts or warranty information. |
| Seat appears discolored or stained. | Use of abrasive or harsh chemical cleaners. | Discontinue use of harsh cleaners. Clean with mild soap and water. Stains may be permanent if the finish is damaged. |
Specifications
| Feature | Detail |
|---|---|
| Brand | American Standard |
| Model Number | 5359C051H.020 |
| Color | White |
| Material | Plastic |
| Style | Elongated, Slow-Close, Top Mount |
| Shape | Oval (Elongated) |
| Product Dimensions (L x W) | 14.5 inches x 17.81 inches |
| Item Weight | 4.9 Pounds |
| UPC | 791556058613 |
| Special Features | EverClean Surface, Slow-Close Hinges, Top Mount Installation, Telescoping Lid |
Warranty and Support
For warranty information, please refer to the documentation included with your purchase or visit the official American Standard website. For technical support or replacement parts, please contact American Standard customer service directly through their official website or contact channels.
Website: www.americanstandard-us.com







