Introduction
This manual provides essential information for the safe and effective use of your Tempco HD Cartridge Heater, Model HDC19354B382551. Please read these instructions carefully before installation, operation, or maintenance to ensure proper function and to prevent potential hazards.
Safety Information
WARNING: Electrical shock and burn hazards exist. Always disconnect power before installing, servicing, or removing the heater. Ensure all electrical connections are made by a qualified electrician and comply with local electrical codes.
- Do not operate the heater in the presence of flammable liquids, gases, or dust.
- Ensure the heater is properly grounded.
- Never touch the heater while it is operating or immediately after shutdown, as it will be extremely hot. Allow sufficient time for cooling.
- Verify that the voltage and wattage ratings of the heater match your power supply.
- Use appropriate personal protective equipment (PPE), such as heat-resistant gloves and eye protection, when handling or working near the heater.
- Do not modify the heater in any way. Unauthorized modifications can lead to malfunction, fire, or injury.
Product Overview
The Tempco HD Cartridge Heater is a high-density heating element designed for precise and efficient heat transfer in various industrial applications. Its robust construction ensures durability and reliable performance.

This image displays the Tempco HD Cartridge Heater, featuring a robust cylindrical stainless steel body and two insulated electrical leads designed for power connection. The heater is compact, indicating its use in applications requiring precise and concentrated heat.
Specifications
- Model: HDC19354B382551
- Diameter: 3/8 inch (0.375")
- Length: 1-1/2 inches (1.5")
- Voltage: 120V
- Wattage: 100W
- Type: High Density Swaged Cartridge Heater
- Lead Length: 10 inches
- Sheath Construction: 321 Stainless Steel
- Item Weight: Approximately 0.64 ounces
- Package Dimensions: 6 x 4 x 0.38 inches (approximate)
Installation
- Preparation: Ensure the bore or hole where the heater will be inserted is clean, free of debris, and has the correct diameter to allow for a snug fit. A proper fit is crucial for efficient heat transfer and heater longevity.
- Insertion: Carefully insert the cartridge heater into the prepared bore. Avoid forcing the heater, which could damage the sheath or leads.
- Electrical Connection: Connect the heater leads to the appropriate power supply (120V) through a suitable control system. Ensure all connections are secure, insulated, and protected from environmental factors. Refer to local electrical codes and standards.
- Securing: If necessary, secure the heater leads to prevent strain or damage during operation.
- Temperature Control: Install a suitable temperature control device (e.g., thermostat, PID controller) to regulate the heater's temperature and prevent overheating.
Operation
Once properly installed and connected to a temperature control system, the Tempco HD Cartridge Heater operates by converting electrical energy into heat. The heat is then transferred to the surrounding material or medium.
- Power On: Activate the power supply to the heater through your control system.
- Temperature Setting: Set the desired operating temperature on your external temperature controller. The heater will cycle on and off as needed to maintain this temperature.
- Monitoring: Periodically monitor the system to ensure stable operation and correct temperature maintenance.
- Power Off: Always turn off the power supply to the heater when it is not in use or before any maintenance.
Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your cartridge heater.
- Visual Inspection: Periodically inspect the heater sheath and leads for any signs of damage, corrosion, or wear.
- Electrical Connections: Check electrical connections for tightness and integrity. Loose connections can cause overheating and arcing.
- Cleanliness: Keep the area around the heater clean and free of obstructions that could impede heat transfer or cause overheating.
- Replacement: If the heater shows signs of damage or reduced performance, replace it with an identical Tempco HD Cartridge Heater.
Troubleshooting
If you encounter issues with your cartridge heater, consider the following common troubleshooting steps:
- Heater Not Heating:
- Check power supply and circuit breaker.
- Verify electrical connections are secure.
- Inspect the heater leads for breaks or damage.
- Check the temperature controller settings and functionality.
- Insufficient Heat:
- Ensure the heater is properly seated in its bore for optimal heat transfer.
- Verify the temperature controller is set correctly.
- Check for any external factors causing heat loss.
- Overheating:
- Check the temperature controller for proper operation and calibration.
- Ensure adequate heat dissipation from the application.
- Verify the heater's wattage is appropriate for the application.
If problems persist, contact a qualified technician or the manufacturer for assistance.
Warranty and Support
For warranty information and technical support regarding your Tempco HD Cartridge Heater, please refer to the documentation provided at the point of purchase or contact Tempco directly through their official website. Specific warranty terms may vary based on purchase location and date.




