HEATIT ET-24

HEATIT ET-24 Freeze Thermostatically Controlled Outlet Instruction Manual

Model: ET-24

Brand: HEATIT

1. Introduction

This manual provides detailed instructions for the safe and efficient use of your HEATIT ET-24 Freeze Thermostatically Controlled Outlet. Please read this manual thoroughly before operation and retain it for future reference.

2. Safety Information

Observe the following safety guidelines to ensure proper operation and prevent hazards:

  • This device is intended for use in dry locations only. Do not expose to water or excessive moisture.
  • Maximum load capacity is 15 Amps. Do not exceed this rating.
  • The product is ETL approved, ensuring compliance with safety standards.
  • Always ensure the device is securely plugged into a functional electrical outlet.
  • To prevent risks of overheating or fire, always select heating cables and related products that have appropriate safety certifications and product liability insurance.
ETL certification documents for HEATIT products
Image: ETL certification documents, indicating product safety compliance.
Back view of the HEATIT ET-24 outlet showing ETL certification mark
Image: Rear view of the ET-24 outlet, displaying the ETL certification mark and usage instructions.

3. Product Features

The HEATIT ET-24 is designed for automatic temperature control to protect against freezing:

  • Thermostat Control: Automatically energizes connected devices when temperatures drop.
  • Smart Indicator Light: A yellow light illuminates when the temperature is below 38°F (3°C) and the outlet is actively supplying power.
  • Automatic Operation: Turns on below 38°F (3°C) and turns off at approximately 50°F (10°C).
  • Energy Saving: Activates only when necessary, reducing energy consumption.
  • Easy Installation: Simple plug-and-play design.
  • Versatile Applications: Suitable for 120 VAC electric heaters, engine heaters, pipe heat tape, roof heating cables, and similar applications.
HEATIT ET-24 Freeze Thermostatically Controlled Outlet, front view with indicator light
Image: Front view of the HEATIT ET-24 outlet, showing the two outlets and the indicator light.

4. Setup and Installation

Follow these steps to set up your HEATIT ET-24 outlet:

  1. Ensure the installation location is dry and protected from moisture.
  2. Plug the HEATIT ET-24 directly into a standard 120 VAC electrical wall outlet.
  3. Connect your heating device (e.g., heat tape, electric heater) to one or both of the outlets on the HEATIT ET-24. The unit supports both 2-pin and 3-pin plugs simultaneously.
  4. Initial Test: To verify functionality upon receipt, place the unit in a freezer for approximately 45 minutes to reset its internal thermostat. After removing it from the freezer, plug it into a wall outlet. The yellow indicator light should illuminate, confirming the thermostat is active and the outlet is energized.
HEATIT ET-24 plugged into a wall outlet, showing compatibility with 2-pin and 3-pin plugs
Image: The ET-24 plugged into a wall outlet, illustrating its compatibility with both 2-pin and 3-pin plugs.

5. Operating Instructions

The HEATIT ET-24 operates automatically based on ambient temperature:

  • Turn-on Temperature: The outlet will energize (turn on) when the ambient temperature drops below 38°F (3°C).
  • Turn-off Temperature: The outlet will de-energize (turn off) when the ambient temperature rises to approximately 50°F (10°C).
  • Indicator Light: A yellow indicator light will illuminate when the temperature is below 38°F (3°C) and the outlet is actively supplying power to the connected device. This light confirms the thermostat is working.
Diagram showing turn-on and turn-off temperatures for the HEATIT ET-24
Image: Visual representation of the automatic turn-on (below 38°F/3°C) and turn-off (above 50°F/10°C) temperatures.
Important tip regarding the indicator light and heating cable operation
Image: A crucial tip explaining that the indicator light shows power is ON, but the heating cable only heats when the thermostat senses low temperatures.

6. Maintenance

To ensure the longevity and optimal performance of your device:

  • Keep the device clean and free from dust and debris. Use a dry cloth for cleaning.
  • Do not attempt to open or repair the unit. Refer to qualified personnel for service.
  • Store in a dry environment when not in use, especially during warmer seasons.

7. Troubleshooting

If you encounter issues with your HEATIT ET-24, consider the following:

  • Device not turning on at low temperatures:
    • Ensure the unit is securely plugged into a functional electrical outlet.
    • Verify that the connected appliance is working correctly when plugged directly into a standard outlet.
    • Perform a reset: Place the unit in a freezer for approximately 45 minutes. After removing, plug it into a wall outlet. The indicator light should turn on if the ambient temperature is below 38°F (3°C).
  • Indicator light is on, but connected appliance is not heating:
    • The indicator light confirms the outlet is energized. Check the connected appliance itself for proper function and ensure it is designed to operate at the current temperature.
  • Device not turning off at higher temperatures:
    • Ensure the ambient temperature has risen above 50°F (10°C). The device has a hysteresis to prevent rapid cycling.
    • If the issue persists, perform a reset as described above.

8. Specifications

FeatureDetail
BrandHEATIT
Model NameET-24
Product Dimensions (D x W x H)1.38" x 3.78" x 1.06"
Controller TypeAutomatic Thermostatic Control
ColorYellow
Temperature Control TypeAutomatic
Power SourceCorded Electric
Voltage120 Volts
Max. Load Current15 Amps
Max. Load Power1800 Watts
Turn-on TemperatureBelow 38°F (3°C)
Turn-off TemperatureApproximately 50°F (10°C)
MaterialPC + ABS
Item Weight2.99 ounces
CertificationsETL Approved
Graphic displaying HEATIT ET-24 specifications including dimensions, material, voltage, and load capacity
Image: Detailed specifications of the ET-24, including physical dimensions and electrical ratings.

9. Warranty and Support

This product is designed for reliability and safety. While specific warranty details are not provided in this manual, HEATIT products are typically backed by quality assurance.

Return Policy: Standard return policies apply, typically allowing returns within 30 days for refund or replacement, as per the point of purchase.

Product Liability: To ensure safety, always use heating cables and related products that carry appropriate safety certifications and product liability insurance.

For support, please refer to the official HEATIT store or contact customer service through your point of purchase.

© 2025 HEATIT. All rights reserved.

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