1. Introduction
Thank you for choosing the Silentnight Comfort Control Quilted Heated Mattress Topper. This product is designed to provide supreme warmth and luxurious comfort. This manual contains important information regarding the safe and efficient use of your heated mattress topper. Please read it thoroughly before use and retain it for future reference.

Image 1: Product Overview. The Silentnight Comfort Control Quilted Heated Mattress Topper, King Size, shown with its two independent controllers. The topper features a soft quilted surface.
2. Safety Information
Your safety is Silentnight's number one priority. This product is designed with safety features to ensure peace of mind.
- Overheat Protection: The mattress topper includes built-in overheat protection. If the integrated thermal fuse detects a hot spot or a fault in the heating wires, the topper will automatically switch off.
- Proper Fit: Silentnight heated blankets are specifically designed to leave a small gap around the edges once installed. This ensures the blanket remains flat and prevents bunching, which could lead to overheating.
- Controller Placement: Ensure controllers are placed in a position where they will not be covered or damaged during use.
- Before Washing: Always detach the cables from the connector before placing the topper in a washing machine.
- Hypoallergenic: The topper is hypoallergenic, meaning it does not contain materials likely to cause allergies.

Image 2: Safety Features. This image highlights the "Sleep Safe" and "Overheat Protection" features, ensuring a secure and comfortable night's sleep.
3. Product Features
The Silentnight Comfort Control Quilted Heated Mattress Topper offers a range of features for enhanced comfort and convenience:
- King Size Fit: Designed for King size beds, measuring 200 x 160 cm, providing warmth across the entire bed surface.
- Quilted Comfort: Features a soft microfibre cover that is generously quilted and filled with hollow fibers for added comfort and mattress protection.
- Dual Controllers: Equipped with two independent controllers, allowing individual temperature preferences for each side of the bed.
- Multi-Zone Control: Integrated multi-zone flexibility with nine heat settings, enabling customization of heat levels for the upper and lower halves of the mattress.
- Fast Heat-Up: Provides ultra-fast heating, becoming warm to the touch within minutes.
- Built-in Timer: Features an integrated timer for setting desired operating duration.
- Elastic Straps: Designed with elastic straps to ensure a secure and snug fit to your mattress, preventing movement during the night.
- Machine Washable: Made from polyester, the topper is machine washable at 40°C (ensure controllers are detached).
- Hypoallergenic: Suitable for allergy sufferers.

Image 3: Feature Overview. A visual summary of the key features, including fast heat-up, dual control, multi-zone heating, nine heat settings, built-in timer, elastic straps, energy efficiency, machine washability, overheat protection, and a 3-year guarantee.
4. Setup Instructions
Follow these steps to properly install your heated mattress topper:
- Unpack: Carefully remove the mattress topper from its packaging. Unroll it and lay it flat on your mattress.
- Position: Ensure the topper is centered on your mattress. The heating elements should be evenly distributed across the sleeping area.
- Secure with Straps: Utilize the elastic straps located at each corner of the topper. Stretch each strap under the corresponding corner of your mattress to secure the topper firmly in place. This prevents the topper from shifting during use.
- Connect Controllers: Locate the connector ports on the topper. Plug the controllers securely into these ports. Ensure a firm connection.
- Power Connection: Plug the power cords from the controllers into suitable electrical outlets.

Image 4: Securing with Elastic Straps. This image demonstrates how the elastic straps are used to provide a secure fit, keeping the topper in place on the mattress.
5. Operating Instructions
Your Silentnight heated mattress topper features intuitive controls for personalized comfort.
5.1. Using the Controllers
Each side of the King size topper has an independent controller.

Image 5: Controller Detail. A close-up view of the control unit, illustrating the digital display, power switch, and buttons for adjusting body, feet, and timer settings. There are 9 heat settings available.
- Power On/Off: Use the "On/Off" switch to activate or deactivate the topper for your side of the bed.
- Adjust Heat Settings: The topper offers nine heat settings. Use the "Body" button to adjust the heat for the upper half of the mattress and the "Feet" button for the lower half. Press the respective button repeatedly to cycle through the heat levels (1-9).
- Pre-heating: For a warm bed, switch the topper on to a higher setting (e.g., 9) approximately 30-60 minutes before use.
- Using the Timer: The built-in timer allows you to set the operating duration. Press the "Timer" button to select from available time settings (e.g., 1h, 3h, 6h, 12h). The topper will automatically switch off after the selected time.
- Overnight Use: The topper can be left on overnight at a lower setting for continuous warmth, utilizing the timer function for safety and energy efficiency.

Image 6: Multi-Zone Heating. This graphic illustrates the multi-zone control capability, allowing users to adjust heating independently for the body and feet areas of the mattress.

Image 7: Pre-Heat Function. A user demonstrates the pre-heating function, using the controller to warm the bed before getting in for cozy comfort.
6. Maintenance
Proper care and maintenance will extend the life of your heated mattress topper.
6.1. Cleaning Instructions
- Disconnect Power: Always unplug the topper from the electrical outlet before cleaning.
- Detach Controllers: Carefully detach the controllers and their cables from the topper's connector ports.
- Machine Wash: The topper is machine washable. Wash at 40°C on a gentle cycle. Do not bleach or iron.
- Drying: Tumble dry on a low setting or line dry. Ensure the topper is completely dry before reattaching controllers and using.
- Storage: When not in use, store the topper in a cool, dry place, preferably in its original packaging or a breathable storage bag.

Image 8: Machine Washable. This image shows the heated mattress topper being placed into a washing machine, emphasizing its machine washable feature at 40°C, with an inset highlighting the detachable controller for safe cleaning.
7. Troubleshooting
If you encounter any issues with your heated mattress topper, please refer to the following common troubleshooting steps:
- Topper Not Heating:
- Ensure the power cord is securely plugged into a working electrical outlet.
- Check that the controller cables are firmly connected to the topper.
- Verify the "On/Off" switch on the controller is in the "On" position.
- Confirm that a heat setting (1-9) has been selected.
- If the overheat protection has activated, the topper will not heat. Unplug, wait 30 minutes, and try again. If the issue persists, contact customer support.
- Uneven Heating:
- Ensure the topper is laid flat and evenly spread on the mattress without folds or creases.
- Check that the multi-zone settings for "Body" and "Feet" are adjusted as desired.
- Controller Display Not Working:
- Check power connection and ensure the controller is securely attached to the topper.
- Try plugging into a different outlet.
If these steps do not resolve the issue, please refer to the Warranty & Support section for further assistance.
8. Specifications
| Brand | Silentnight |
| Model Number | 498197GE |
| Color | White |
| Dimensions (L x W x H) | 200 x 160 x 0.03 cm (King Size) |
| Material | Polyester |
| Item Weight | 1 Kilogram |
| Special Features | Temperature Control, Hypoallergenic |
| Closure Type | Elastic Straps |
| Care Instructions | Machine Wash |
9. Warranty & Support
Silentnight offers a three-year manufacturer's warranty for this product, providing peace of mind with your purchase.
For warranty claims, technical support, or any product-related inquiries, please contact Silentnight customer service. Please retain your proof of purchase for warranty validation.
Contact Information: Please refer to the Silentnight official website or the product packaging for the most up-to-date customer support contact details.





