Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Caleffi 1" Sweat Thermo Mixing Valve with Checks. Please read these instructions carefully before installation and retain them for future reference. This valve is designed to provide tempered water by mixing hot and cold water supplies, featuring integrated checks and a temperature gauge for precise control.
Safety Information
- Installation must be performed by a qualified professional in accordance with local plumbing codes and regulations.
- Ensure all water supplies are turned off before beginning installation.
- Wear appropriate personal protective equipment (PPE) during installation and maintenance.
- Do not exceed the maximum operating pressure or temperature specified for this valve.
- This product contains brass, which may contain lead. Wash hands thoroughly after handling.
Product Overview
The Caleffi 1" Sweat Thermo Mixing Valve is constructed from low-lead brass and includes integrated check valves to prevent cross-flow. It is equipped with an adapter and a temperature gauge for monitoring the mixed water temperature. The valve's primary function is to deliver a constant, safe mixed water temperature at the outlet, protecting against scalding.
Figure 1: Caleffi 1" Sweat Thermo Mixing Valve. This image shows the brass valve body, the black temperature adjustment knob on top, the sweat connections on the sides, and the integrated temperature gauge at the bottom.
Specifications
| Feature | Detail |
|---|---|
| Brand | Caleffi |
| Model Number | 1 SWEAT THERMO |
| Material | Low Lead Brass |
| Inlet Connection Size | 1 Inch |
| Inlet Connection Type | Sweat |
| Outlet Connection Type | NPT |
| Number of Ports | 2 |
| Item Weight | 4 Pounds |
| UPC | 642415171335 |
Setup and Installation
- Preparation: Turn off the main water supply. Drain the hot and cold water lines. Ensure the installation area is clean and accessible.
- Orientation: Install the mixing valve with the hot water inlet (marked with a red dot or 'H') connected to the hot water supply and the cold water inlet (marked with a blue dot or 'C') connected to the cold water supply. The mixed water outlet should be connected to the fixture or distribution system.
- Connections: This valve features 1-inch sweat connections. Solder the valve into the plumbing system using appropriate soldering techniques. Ensure a watertight seal without overheating the valve body. The integrated check valves prevent backflow.
- Temperature Gauge: The valve includes an integrated temperature gauge. Ensure it is securely attached and visible for monitoring the mixed water temperature.
- System Flush: After installation, slowly turn on the main water supply. Flush the system to remove any debris or air. Check all connections for leaks.
Operating Instructions
The Caleffi Thermo Mixing Valve is designed for automatic temperature regulation. Once installed, the valve will maintain a consistent mixed water temperature based on its setting.
- Temperature Adjustment: The black knob on top of the valve allows for temperature adjustment. Rotate the knob to increase or decrease the desired mixed water temperature. Settings typically range from 'MIN' to 'MAX' or numerical values (e.g., 1 to 7).
- Monitoring: Use the integrated temperature gauge to verify the actual mixed water temperature. Adjust the knob as needed to achieve the desired output temperature.
- Initial Setup: During initial setup, it is recommended to use a thermometer to verify the mixed water temperature at a tap downstream from the valve to ensure accurate calibration.
Maintenance
Regular maintenance ensures optimal performance and longevity of your mixing valve.
- Annual Inspection: Annually inspect the valve for any signs of leaks, corrosion, or damage.
- Temperature Verification: Periodically check the mixed water temperature using the integrated gauge and an external thermometer to ensure the valve is maintaining the set temperature accurately.
- Cleaning: If water quality issues are present (e.g., hard water), mineral deposits may accumulate. Consult a qualified plumber for professional cleaning or servicing if performance degrades.
- Check Valve Function: The integrated check valves are designed to prevent backflow. If backflow is suspected, consult a professional for inspection and repair.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inconsistent mixed water temperature | Fluctuating hot/cold supply pressure; mineral buildup; valve malfunction. | Check supply pressures. If persistent, consult a plumber for cleaning or replacement. |
| No hot or cold water flow | Supply valves closed; blockage in lines; check valve stuck. | Ensure supply valves are open. Inspect lines for blockages. Consult a plumber. |
| Water too hot or too cold | Incorrect temperature setting; valve calibration issue; insufficient hot/cold supply. | Adjust the temperature knob. Verify supply temperatures. Consult a plumber if issue persists. |
| Leaks at connections | Improperly soldered joints; damaged seals. | Turn off water supply and repair connections. Consult a plumber if necessary. |
Warranty Information
Specific warranty details for Caleffi products are typically provided with the product packaging or can be found on the official Caleffi website. Please refer to the documentation included with your purchase for the most accurate and up-to-date warranty terms and conditions. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, replacement parts, or further inquiries, please contact Caleffi customer support. Visit the official Caleffi website for contact information, FAQs, and additional resources.
Website: www.caleffi.com
When contacting support, please have your product model number (1 SWEAT THERMO) and UPC (642415171335) available.
