1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Moen S112 Waterhill 10-Inch Single Function Rainshower Showerhead. Designed to deliver exceptional water coverage, this showerhead features Immersion technology for a consistent and substantial water pressure experience. Please read this manual thoroughly before installation and use to ensure proper function and longevity of your product.

Figure 1: Moen S112 Waterhill 10-Inch Rainshower Showerhead in Chrome finish.
2. Safety Information
- Always turn off the main water supply before attempting any installation or maintenance.
- Wear appropriate personal protective equipment, such as safety glasses, during installation.
- Ensure all connections are secure to prevent leaks.
- Do not use abrasive cleaners or harsh chemicals on the chrome finish, as this may damage the surface.
- 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:
- Moen S112 Waterhill 10-Inch Single Function Rainshower Showerhead (Chrome)
- Mounting hardware (typically includes a shower arm and flange, though specific components may vary)
- Installation instructions (this manual)
4. Specifications
| Feature | Specification |
|---|---|
| Brand | Moen |
| Model Number | S112 |
| Style | Transitional |
| Shape | Round |
| Material | Metal, Plastic |
| Finish Type | Chrome |
| Installation Type | Wall Mounted |
| Flow Rate | 2.5 GPM (9.5 L/Min) Max |
| Number of Settings | 1 (Rain) |
| Item Dimensions (L x W) | 2.88"L x 10"W |
5. Setup & Installation
The Moen S112 Waterhill Rainshower Showerhead is designed for hassle-free installation. Follow these general steps:
- Prepare the Area: Turn off the water supply to your shower. Remove any existing showerhead and clean the shower arm threads.
- Apply Thread Sealant: Apply plumber's tape or thread sealant to the threads of the shower arm.
- Attach Showerhead: Screw the Moen S112 Waterhill Rainshower Showerhead onto the shower arm. Hand-tighten first, then use a wrench to tighten an additional 1/4 to 1/2 turn. Do not overtighten.
- Test for Leaks: Turn the water supply back on and check for any leaks around the connection. If leaks occur, tighten slightly more.

Figure 2: An installed Moen Waterhill rainshower showerhead with water flowing.
6. Operating Instructions
The Moen S112 Waterhill Rainshower Showerhead provides a single, invigorating rain spray setting. Its Immersion technology channels water to deliver a perfectly balanced force and maximum coverage, creating a thorough rinse experience.
- Turning On/Off: Use your shower's main water control handle to turn the water flow on or off.
- Temperature Adjustment: Adjust the water temperature using your shower's hot/cold mixing valve.
- Spray Pattern: The S112 offers a single rain spray pattern, designed for a wide and gentle water delivery.
Video 1: Official Moen video demonstrating the Waterhill Rainshower Showerhead's features and Immersion technology.
7. Maintenance
To maintain the appearance and performance of your Moen S112 Waterhill Rainshower Showerhead, follow these cleaning guidelines:
- Regular Cleaning: Clean the showerhead regularly with a soft cloth and warm, soapy water.
- Avoid Harsh Cleaners: Do not use abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the chrome finish and the rubber nozzles.
- Mineral Deposit Removal: If mineral deposits accumulate on the nozzles, gently rub them with your finger or a soft brush to dislodge the buildup. For stubborn deposits, a solution of equal parts white vinegar and water can be applied with a soft cloth, then rinsed thoroughly.
- Drying: After cleaning, wipe the showerhead dry with a soft cloth to prevent water spots.
8. Troubleshooting
If you encounter issues with your showerhead, try these common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Low Water Pressure | Mineral buildup in nozzles or flow restrictor. | Clean nozzles as described in Maintenance. Check for and carefully remove any flow restrictor if permitted by local codes. Ensure main water supply is fully open. |
| Leaking at Connection | Loose connection or insufficient thread sealant. | Ensure the showerhead is tightened properly. Reapply plumber's tape or thread sealant if necessary. |
| Uneven Spray | Clogged nozzles. | Clean individual nozzles to remove mineral deposits. |
9. Warranty & Support
Your Moen S112 Waterhill Rainshower Showerhead is backed by Moen's Limited Lifetime Warranty. This warranty covers defects in material and manufacturing for the original consumer purchaser. For specific details regarding your warranty coverage, please refer to the warranty documentation included with your purchase or visit the official Moen website.
For technical assistance, replacement parts, or warranty claims, please contact Moen customer support directly. Contact information can typically be found on the Moen website or on your product packaging.







