Introduction
This manual provides essential information for the safe and effective use of your Comfier Large Heating Pad. Please read these instructions thoroughly before first use and retain for future reference. This electric heating pad is designed to provide targeted heat therapy for the back, neck, and shoulders, offering comfort and relief.

Image: The Comfier Large Heating Pad, showing its design for back, neck, and shoulder coverage with visible heating elements.
Important Safety Information
Caution: This product can heat up quickly and may cause burns. Please use with care, especially on sensitive skin or when used by children.
- Do not use while sleeping.
- Do not use on infants, incapacitated individuals, or persons insensitive to heat.
- Avoid folding or creasing the heating pad during use, as this may cause overheating.
- Do not use pins or other metallic objects to fasten the pad.
- Always inspect the product for damage before each use. Discontinue use if damaged.
- Keep out of reach of pets.
- Unplug from the power outlet when not in use.

Image: A user relaxing with the heating pad, demonstrating proper and safe application. The controller is visible, highlighting user control.
Product Features
- Fast Heating: Heats up in seconds for quick relief.
- Adjustable Heat Levels: Features 3 heating settings (100℉-150℉) for customized comfort.
- Automatic Shut-Off: Built-in 90-minute timer for safe use and energy conservation.
- Large Coverage Area: Measures 24 x 33 inches, providing extensive heat for the back, neck, and shoulders.
- Wearable Design: Includes a stand-up collar, snap buttons, and adjustable waist straps for hands-free use.
- Soft Flannel Fabric: Made from cozy, skin-friendly flannel for excellent comfort.
- Washable: Hand or machine washable in cool water for easy maintenance.
- Portable: Lightweight design allows for easy folding and storage in a bag.
- FSA/HSA Eligible: Qualifies for Flexible Spending Account and Health Savings Account purchases.

Image: A woman demonstrates the wearable design of the heating pad during a yoga session, highlighting the stand-up collar, snap buttons, and adjustable waist straps.
Setup
- Unpack: Carefully remove the heating pad and all components from the packaging.
- Inspect: Check the heating pad and power cord for any signs of damage. Do not use if any damage is observed.
- Connect Controller: Ensure the control plug is securely connected to the heating pad.
- Position: Place the heating pad on the desired area of your back, neck, or shoulders. Use the snap buttons and adjustable waist straps to secure it comfortably.
- Power Connection: Plug the power cord into a standard 120V AC electrical outlet.
Operating Instructions
The Comfier heating pad features a user-friendly controller for easy operation.
- Power On: Press the power button on the controller to turn on the heating pad. The indicator light will illuminate.
- Select Heat Level: Press the heat level button to cycle through the 3 available heat settings: Low (L), Medium (M), and High (H). The corresponding indicator light will show the selected level.
- Low: Approximately 100℉ (38℃)
- Medium: Approximately 125℉ (52℃)
- High: Approximately 150℉ (66℃)
- Automatic Shut-Off: The heating pad is equipped with a 90-minute automatic shut-off function for safety. After 90 minutes of continuous use, the pad will automatically turn off. To restart, simply press the power button again.
- Power Off: To turn off the heating pad manually, press the power button until all indicator lights are off, or unplug it from the wall outlet.

Image: A user operating the heating pad while working, illustrating the convenience and the three distinct heat levels available for selection.
Maintenance
Cleaning Instructions
- Disconnect Power: Always unplug the heating pad from the electrical outlet before cleaning.
- Remove Control Plug: Detach the control plug from the heating pad. The pad is machine washable, but the controller is not.
- Washing: The heating pad can be hand or machine washed. If machine washing, use cool water (100°F / 38°C) on a gentle cycle. Do not dry clean, iron, or bleach.
- Drying: Air dry the heating pad completely before reconnecting the control plug and storing or using again. Ensure no moisture remains in the fabric or connectors.
Storage
When not in use, ensure the heating pad is clean and dry. It is lightweight and can be conveniently folded and rolled into a storage bag for protection.

Image: A woman demonstrates how to machine wash the heating pad, emphasizing the importance of removing the control plug before washing.
Troubleshooting
If you encounter any issues with your Comfier Large Heating Pad, please refer to the following common solutions:
- No Heat: Ensure the power cord is securely plugged into a working electrical outlet and the control plug is firmly connected to the heating pad. Try a different outlet.
- Pad Not Turning On: Check if the power button on the controller has been pressed. If the pad automatically shut off, press the power button to restart.
- Pad Feels Too Hot/Cold: Adjust the heat setting using the controller. If the pad feels excessively hot, immediately discontinue use and unplug.
- Error Indicator: If an error light or code appears, unplug the unit, wait a few minutes, and plug it back in. If the issue persists, contact customer support.
For problems not listed here, please contact Comfier customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | NA-H1822D |
| Dimensions | 24 x 33 inches (Pad Size) |
| Weight | 3 Pounds |
| Material | Flannel |
| Heat Levels | 3 (100℉ - 150℉) |
| Auto Shut-Off | 90 minutes |
| Voltage | 120V AC |
| Special Features | Auto Shut Off, Portable, Washable |
Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the documentation included with your purchase or visit the official COMFIER website. You may also contact COMFIER customer service directly for assistance.
Online Support: Visit the COMFIER Store on Amazon





