1. Introduction
Thank you for choosing the HOROW HT100S Compact One-Piece Toilet. This manual provides essential information for the safe installation, operation, and maintenance of your new toilet. Please read it thoroughly before installation and keep it for future reference.
The HOROW HT100S is a modern, compact one-piece toilet designed for small bathrooms, featuring a 10-inch rough-in. Its space-saving design, efficient dual-flush system, and easy-to-clean surfaces make it a practical choice for various bathroom layouts.

2. Safety Information
Please observe the following safety precautions during installation and use:
- Always turn off the water supply before beginning any installation or maintenance.
- Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, during installation.
- Handle ceramic components with care to prevent chipping or breakage.
- Ensure all connections are tight to prevent leaks, but do not overtighten.
- If you are unsure about any part of the installation, consult a qualified plumber.
3. Package Contents
Verify that all components are present before beginning installation:
- HOROW HT100S One-Piece Toilet (10" Rough-in)
- Soft Closing PP Toilet Seat
- Pre-installed Flush Valve
- High-Quality Wax Ring
- Floor Bolts
- Side Cover
- Installation Instruction Manual
4. Specifications
| Feature | Specification |
|---|---|
| Model Number | HT100S |
| Color | White |
| Product Dimensions (L x W x H) | 25"D x 13.4"W x 28.4"H |
| Material | Porcelain |
| Installation Type | Floor Mounted |
| Rough-in | 10 inches |
| Seat Height | 16.5 inches |
| Flush Type | Dual-Flush (1.1 GPF or higher/1.6 GPF) |
| Waterline Compatibility | U.S. standard 7/8'' (1/2'' adapter pre-installed) |
| Certifications | cUPC, UPC, CEC compliant |

5. Installation
This section outlines the steps for installing your HOROW HT100S toilet. It is recommended to have two people for lifting and positioning the toilet due to its one-piece design.
5.1 Prepare the Floor Flange
Ensure your floor flange is properly installed and ready for the toilet. The HT100S is designed for a 10-inch rough-in.

5.2 Install Floor Bolts and Wax Ring
- Insert the two floor bolts into the floor flange.
- Install the wax ring onto the toilet's outlet hole.
5.3 Position the Toilet
Carefully lower the toilet onto the floor flange, aligning the outlet hole with the wax ring and the bolt holes with the floor bolts. The toilet features two large opening holes on the side for easier fixation.
5.4 Secure the Toilet
- Fasten the screws onto the floor bolts from the side access holes.
- Place the side covers over the access holes.
5.5 Connect Water Supply
Connect the water supply hose to the toilet inlet valve. The toilet works with a U.S. standard 7/8'' waterline. An adapter for a 1/2'' waterline is pre-installed and can be removed if your hose is 7/8''.

5.6 Install Quick Release Seat Cover
The soft-closing toilet seat is designed for easy installation and removal for cleaning.
Video: Instructions for installing the soft-closing, quick-release toilet seat.
5.7 Final Check
Turn on the water supply and check for any leaks. Perform a flush test to ensure the toilet is functioning correctly before final fixation.
Video: Step-by-step guide for installing the HOROW toilet.
6. Operating Instructions
6.1 Dual-Flush System
The HOROW HT100S features a highly efficient dual-flush system, allowing you to conserve water. Use the smaller button for liquid waste (1.1 GPF) and the larger button for solid waste (1.6 GPF).

Video: Demonstration of the powerful and quiet flushing action of the HOROW toilet.
6.2 Soft-Closing Seat
The toilet seat features a slow-cover design, ensuring a gentle and quiet closing action. Simply press the toilet lid lightly, and it will close smoothly without slamming or noise.


7. Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your HOROW HT100S toilet.
7.1 Cleaning the Toilet
The fully glazed siphon flush and self-cleaning spray help maintain hygiene. The skirted design of the toilet allows for seamless, easy cleaning of the exterior surfaces.

7.2 Removing the Seat for Thorough Cleaning
The quick-release feature of the toilet seat allows for easy removal, enabling thorough cleaning of the seat and the bowl's top surface. Simply press the release buttons on the hinges to detach the seat.
8. Troubleshooting
If you encounter any issues with your toilet, refer to the common troubleshooting tips below. For problems not listed or if issues persist, please contact customer service.
| Problem | Possible Cause | Solution |
|---|---|---|
| Toilet not flushing or weak flush | Low water level in tank, clogged siphon jet, or flapper issue. | Check water level, clear any obstructions in the bowl or siphon jet, inspect flapper for proper seal. |
| Continuous running water | Flapper not sealing properly, fill valve malfunction, or float ball adjustment. | Adjust float ball, inspect flapper for debris or wear, or replace fill valve if necessary. |
| Leaks at the base of the toilet | Loose floor bolts, worn wax ring, or cracked toilet base. | Tighten floor bolts (do not overtighten), replace wax ring, or contact a plumber for severe damage. |
| Toilet seat is loose | Mounting screws are loose. | Tighten the mounting screws for the toilet seat hinges. |
9. Warranty and Support
HOROW values each customer’s shopping experience and believes in the quality of our products. The HOROW HT100S toilet comes with a 1-year limited warranty and lifetime after-sales service.
Our customer service center is available to respond to messages within 12 hours. For support, please visit the official HOROW website or contact us through your purchase platform.
Video: Overview of the HOROW toilet, highlighting its suitability for small bathrooms.





