1. Safety Information
Please read all instructions carefully before installation and use. Retain this manual for future reference.
- Ensure all local plumbing and building codes are met during installation.
- Turn off the main water supply before beginning any installation or maintenance.
- Use appropriate safety equipment, such as eye protection, during installation.
- If you are unsure about any part of the installation, consult a qualified plumber.
- The thermostatic valve is designed to prevent scalding by maintaining a consistent water temperature. Do not tamper with the factory settings unless necessary and with caution.
2. Product Overview
The CASAINC Thermostatic Exposed Shower System provides a versatile and comfortable showering experience with its multi-function design.

Figure 2.1: Complete CASAINC Thermostatic Exposed Shower System.
Key Features:
- Thermostatic Valve: Maintains water temperature at 38°C (100°F) to prevent scalding, with a safety override for hotter temperatures.
- 3-Function Diverter: Easily switch between the rainfall showerhead, handheld shower, and bathtub spout.
- 9.8-inch Square Rain Shower Head: Provides a consistent and powerful water flow.
- 3-Mode Hand Shower: Offers powerful rain, massage, and combined spray patterns.
- Adjustable Slide Bar: Allows for height adjustment of the handheld shower bracket to suit different users.
- Durable Construction: Made with metal components and a brushed nickel finish for longevity and easy maintenance.

Figure 2.2: The 3-in-1 water separator for selecting output.
3. Installation
This shower system is designed for wall-mount installation and is compatible with American standard 1/2 inch NPT plumbing connections. Professional installation is recommended.
Installation Steps:
- Prepare Plumbing: Ensure your existing plumbing is ready for a wall-mount exposed shower system. An extended fitting may be required depending on your wall setup.
- Mount the Main Unit: Securely attach the main thermostatic valve unit to the wall, ensuring it is level and properly sealed to prevent leaks.
- Install Vertical Bar: Attach the vertical slide bar to the main unit and secure it to the wall using the provided mounting hardware.
- Connect Rain Shower Head: Attach the 9.8-inch square rain shower head to the top arm of the vertical bar. Ensure all connections are tight.
- Attach Hand Shower and Hose: Connect the shower hose to the main unit and the handheld shower. Place the handheld shower into its adjustable bracket on the slide bar.
- Test for Leaks: Slowly turn on the main water supply and check all connections for leaks. Address any leaks immediately.

Figure 3.1: Proper alignment for hose connection during installation.
4. Operation
Operating your CASAINC shower system is straightforward. Familiarize yourself with the controls for temperature and spray selection.
Temperature Control:
- The left knob controls the water temperature.
- The thermostatic valve is preset to 38°C (100°F) for safety. To increase the temperature beyond this point, press and hold the safety button on the knob while turning it.
- Turn the knob counter-clockwise for hotter water and clockwise for cooler water.

Figure 4.1: Temperature adjustment and water outlet function controls.
Water Outlet Selection (Diverter):
- The right knob functions as the 3-way diverter.
- Rotate this knob to switch between the overhead rain shower, handheld shower, and bathtub spout.

Figure 4.2: Switching between shower modes.
Hand Shower Spray Modes:
- The handheld shower offers three distinct spray patterns.
- Adjust the spray pattern by rotating the head of the handheld shower.
- Available modes: Power Rain + Massage, Power Rain, and Massage.

Figure 4.3: Hand shower with 3 spray settings.
Adjusting Hand Shower Height:
- Loosen the adjustment switch on the slide bar to move the handheld shower bracket up or down.
- The bracket can also swivel to adjust the angle of the handheld shower.

Figure 4.4: Adjustable height shower head slide bar.
5. Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your CASAINC shower system.
- Cleaning: Clean the shower system regularly with a soft cloth and mild soap. Avoid abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the brushed nickel finish.
- Water Spots: To prevent water spots, wipe the system dry after each use.
- Nozzle Cleaning: The nozzles on the rain shower head and handheld shower are designed for easy cleaning. Gently rub the rubber nozzles to dislodge any mineral buildup.
- Hose Care: Periodically check the shower hose for kinks or damage. Replace if necessary.
6. Troubleshooting
If you encounter any issues with your shower system, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Low Water Pressure | Clogged nozzles; partially closed shut-off valve; low household water pressure. | Clean shower head/handheld nozzles; ensure shut-off valves are fully open; consult a plumber for household water pressure issues. |
| Water Temperature Fluctuates | Thermostatic valve issue; inconsistent hot/cold water supply. | Ensure hot and cold water supplies are stable; if problem persists, contact customer support or a plumber. |
| Leaks from Connections | Loose connections; damaged seals/washers. | Tighten connections (do not overtighten); replace worn or damaged seals/washers. |
| Diverter Not Switching Properly | Mineral buildup; internal mechanism issue. | Clean around the diverter knob; if problem persists, contact customer support. |
7. Specifications
Detailed specifications for the CASAINC Thermostatic Exposed Shower System.
- Brand: CASAINC
- Model Number: HM-T105-SQ-BN
- Color: Brushed Nickel
- Material: Metal (Brass handle)
- Finish Type: Brushed
- Number of Handles: 1
- Mounting Type: Wall Mount
- Head Size: 9.8 inches (Square Rain Shower Head)
- Item Weight: 16.37 pounds
- Product Dimensions: 35.04 x 16.14 x 3.74 inches
- Connections: American standard 1/2 inch NPT thread

Figure 7.1: Product dimensions and model number.
8. Warranty & Support
CASAINC faucets are backed by MM CASA INC Faucet's Lifetime Limited Warranty.
For any questions or concerns regarding your product, please contact CASAINC customer support. Professional product consultants are available to assist you.
Refer to your purchase documentation or the official CASAINC website for specific warranty terms and contact information.





