Introduction
This manual provides essential information for the proper installation, operation, and maintenance of the Taco 5004-C3 1-Inch Union-Sweat Mixing Valve. This valve is designed to deliver fail-safe security and superior performance in various plumbing applications, ensuring a stable and controlled mixed water temperature. Please read these instructions thoroughly before installation and use to ensure safe and efficient operation.
Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read these instructions thoroughly before installing or servicing this equipment.
- Always shut off the main water supply before attempting any installation or maintenance.
- Wear appropriate personal protective equipment, including safety glasses and gloves, during installation and service.
- Ensure all connections are watertight to prevent leaks.
- This valve operates with hot water. Exercise caution to avoid burns.
- Installation must comply with all local plumbing codes and regulations.
- Only qualified personnel should perform installation and service.
Product Overview
The Taco 5004-C3 Mixing Valve is a dual-purpose mixing or diverting valve approved to ASSE 1017 standards. It provides shut-off reliability upon hot or cold water supply failure, enhancing safety. Its design ensures high flow and low headloss, making it suitable for domestic hot water, radiant heat, and applications requiring precise temperature control. The valve maintains a stable mixed water temperature within an extended range of 85-176°F (29-80°C).
Key Features:
- Lead-Free Compliant (≤.25% Lead)
- Ideal for Domestic Water Distribution Points
- Suitable for use in Potable Water
- Delivers Stable Mixed Water Temperature
- Tamper-Resistance Cap
- Low Headloss
- Outlet Temperature Strip
Materials:
- Body: Forged Brass (≤.25% Lead Brass)
- Internal Components: ≤.25% Lead Brass, Noryl GFN2
- Seals: Viton
- Spring: Stainless Steel
- Piston: Polysulfone
- Gaskets: EPDM
Image: Taco 5004-C3 1-Inch Union-Sweat Mixing Valve. This image shows the compact design of the mixing valve with its union-sweat connections, ready for plumbing integration.
Setup and Installation
The Taco 5004-C3 valve is designed for 1-inch union-sweat connections. Professional installation by a licensed plumber is highly recommended to ensure compliance with all local codes and proper system function.
Installation Steps:
- Preparation: Turn off the main water supply to the building. Drain the hot and cold water lines.
- Placement: Select an appropriate location for the mixing valve, typically near the hot water source or point of distribution, ensuring accessibility for future maintenance.
- Connections: Connect the hot water supply to the designated hot inlet, the cold water supply to the cold inlet, and the mixed water outlet to the distribution system. The valve features 1-inch union-sweat connections, requiring soldering or brazing. Ensure proper flux application and heating techniques for secure, leak-free joints.
- Orientation: Install the valve in the correct orientation as indicated by flow arrows (if present) or manufacturer's diagrams to ensure proper mixing.
- Leak Check: After all connections are made and the system is refilled, slowly turn on the main water supply and carefully inspect all connections for leaks.
- Temperature Setting: The valve is factory set to 115-120°F (41-45°C). If adjustment is required, refer to the operating section.
Operating Instructions
The Taco 5004-C3 mixing valve automatically blends hot and cold water to deliver a stable mixed water temperature. It is designed to operate within an outlet temperature range of 85-175°F (29-80°C) with an accuracy of ± 3°F.
Initial Operation:
- Once installed and the water supply is restored, the valve will begin to mix water to its factory-set temperature.
- Verify the mixed water temperature at a faucet using a thermometer to ensure it meets desired safety and comfort levels.
Temperature Adjustment:
The valve features a tamper-resistance cap. For temperature adjustment, consult a qualified plumber. Adjustments typically involve removing the cap and rotating a setting mechanism to increase or decrease the mixed water temperature. Always re-verify the temperature after any adjustment.
Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Taco 5004-C3 mixing valve. It is recommended to have the valve inspected annually by a qualified professional.
Recommended Maintenance:
- Visual Inspection: Periodically check the valve and surrounding connections for any signs of leaks, corrosion, or damage.
- Temperature Verification: Occasionally verify the mixed water temperature at a fixture to ensure the valve is maintaining the desired setting.
- Cleaning: If water quality issues are suspected, the internal components may require cleaning. This should only be performed by a qualified plumber.
Troubleshooting
This section addresses common issues you might encounter with your mixing valve. For problems not listed here, or if solutions do not resolve the issue, contact a qualified plumber.
| Problem | Possible Cause | Solution |
|---|---|---|
| Mixed water temperature is too hot or too cold. | Incorrect temperature setting; sediment buildup; supply temperature fluctuations. | Verify supply temperatures. Have a qualified plumber check the valve setting and inspect for internal blockages. |
| Reduced water flow. | Sediment or debris in the valve or supply lines. | Consult a plumber to inspect and clean the valve and associated piping. |
| Water leaks from valve connections. | Improperly sealed connections; damaged unions or gaskets. | Turn off water supply. Tighten connections or replace damaged components. Professional assistance recommended. |
| Valve not responding to temperature changes. | Internal component failure; severe sediment buildup. | Professional inspection and potential replacement of the valve or its components. |
Specifications
| Parameter | Value |
|---|---|
| Model Number | 5004-C3 (SKU: 4601604) |
| Connections | 1" Union Sweat |
| Heat Capacity (Cv) | 2.3 |
| Maximum Flow | 20 GPM (76 L/Min) |
| Minimum Flow | 1 GPM (3.8 L/Min) |
| Hot Supply Temperature Range | 120-180°F (49-82°C) |
| Cold Supply Temperature Range | 39-80°F (5-27°C) |
| Maximum Inlet Pressure | 230 psi (15.85 Bar) |
| Maximum Variation in Supply Pressure | 20% |
| Minimum Temperature Differential (Hot Supply to Mixed) | 27°F (15°C) |
| Outlet Temperature Range | 85-175°F (29-80°C) |
| Factory Set Temperature | 115-120°F (41-45°C) |
| Accuracy of Outlet Temperature | ± 3°F |
| Approvals | ASSE 1017, CSAB125.3, cUPC |
| Body Material | Forged Brass (≤.25% Lead Brass) |
| Internal Components Material | ≤.25% Lead Brass, Noryl GFN2, Polysulfone, Stainless Steel |
| Seal Material | Viton, EPDM |
Warranty and Support
For specific warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Taco website. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: Taco