1. Introduction
The Camco 07863 Upper Thermostat is designed to regulate the temperature of your electric water heater, ensuring efficient and consistent hot water supply. This thermostat is compatible with most standard electric water heaters and operates at 24 volts. This manual provides essential information for the proper installation, operation, maintenance, and troubleshooting of your new thermostat.

This image displays the Camco 07863 Upper Thermostat in its retail packaging. The thermostat unit, which is black with gold-colored terminals and a red button, is visible through a clear plastic blister pack. The packaging is predominantly blue and red, with text indicating 'Water Heater Thermostat' and 'Upper Thermostat' in English and French.
2. Important Safety Information
Please read all safety instructions carefully before attempting installation or operation. Failure to follow these instructions could result in electric shock, fire, property damage, or personal injury.
- Always disconnect power to the water heater at the circuit breaker before beginning any installation, maintenance, or troubleshooting.
- This thermostat operates at 24 Volts. Ensure your water heater system is compatible with this voltage.
- Installation should only be performed by a qualified electrician or plumber to ensure compliance with local electrical and plumbing codes.
- Do not operate the water heater if any part is submerged in water. Immediately contact a qualified service technician.
- Keep children and pets away from the water heater area during installation and operation.
3. Package Contents
Verify that all components are present and undamaged upon opening the package. If any parts are missing or damaged, do not proceed with installation and contact customer support.
- Camco 07863 Upper Thermostat (Quantity: 1)
4. Setup and Installation
This section provides general guidelines for installing the upper thermostat. Specific steps may vary depending on your water heater model. It is highly recommended that installation be performed by a certified professional.
- Disconnect Power: Locate the circuit breaker for your water heater and switch it to the OFF position. Verify that power is completely off using a voltage tester.
- Access Thermostat: Remove the access panel(s) on your water heater to expose the upper heating element and thermostat.
- Remove Old Thermostat: Carefully disconnect the wires from the old upper thermostat. Note the wiring configuration or take a photograph for reference. Remove the old thermostat from its mounting clips.
- Install New Thermostat: Insert the new Camco 07863 Upper Thermostat into the mounting clips. Ensure it is securely seated.
- Connect Wiring: Reconnect the wires to the new thermostat according to the original configuration. Ensure all connections are tight and secure.
- Replace Panel: Replace the access panel(s) on the water heater.
- Restore Power: Turn the circuit breaker for the water heater back to the ON position.
- Test Operation: Allow the water heater to cycle and heat water. Monitor for proper operation and temperature regulation.
5. Operation
The Camco 07863 Upper Thermostat is designed for automatic operation. Once properly installed, it continuously monitors the water temperature within the upper portion of your electric water heater. When the temperature drops below the set point, the thermostat activates the upper heating element to heat the water. Once the desired temperature is reached, it deactivates the element. This process ensures a consistent supply of hot water.
This thermostat is a fixed-setting component and does not offer user-adjustable temperature controls. Its primary function is to maintain the water temperature within the optimal range for safety and efficiency.
6. Maintenance
The Camco 07863 Upper Thermostat itself requires minimal maintenance. However, regular maintenance of your water heater system is crucial for its longevity and efficient operation.
- Annual Inspection: Have your water heater system inspected annually by a qualified professional. They can check the thermostat, heating elements, and other components for wear or malfunction.
- Sediment Flush: Periodically flush your water heater tank to remove sediment buildup, which can affect heating efficiency and thermostat performance. Refer to your water heater's manual for specific instructions.
- Check for Leaks: Regularly inspect the area around your water heater for any signs of leaks. Address any leaks promptly to prevent damage.
- Dust and Debris: Ensure the area around the water heater is clear of dust and debris to allow for proper ventilation.
Always disconnect power to the water heater before performing any maintenance.
7. Troubleshooting
If you experience issues with your hot water supply, the thermostat may be a contributing factor. Always ensure power is disconnected before inspecting any components.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water or insufficient hot water. | Circuit breaker tripped; faulty thermostat; faulty heating element; loose wiring. | Check circuit breaker. If tripped, reset. If it trips again, contact a professional. Inspect thermostat and wiring for damage. Consider professional diagnosis and replacement if necessary. |
| Water is too hot. | Faulty thermostat. | The thermostat may be stuck in the 'on' position or reading incorrectly. This requires professional inspection and likely replacement. |
| Water heater constantly running. | Faulty thermostat; excessive sediment buildup; undersized water heater. | Have a professional inspect the thermostat. Consider flushing the tank for sediment. |
If troubleshooting steps do not resolve the issue, or if you are uncomfortable performing these checks, contact a qualified appliance repair technician or electrician.
8. Specifications
- Manufacturer: Camco
- Part Number: 07863
- Item Weight: 5.8 ounces
- Product Dimensions: 11.4 x 3.7 x 1.6 inches
- Voltage: 24 Volts
- Item Package Quantity: 6 (Note: This refers to the quantity in a bulk package, individual units are sold separately)
9. Warranty and Support
For information regarding the product warranty, please refer to the warranty documentation included with your purchase or visit the official Camco website. For technical support or further assistance, please contact Camco customer service directly.
Camco Official Website: www.camco.net