ZINUS ZU-ABS-5KS
ZINUS 5 Inch Metal Smart Box Spring User Manual
Model: ZU-ABS-5KS
Product Overview
The ZINUS 5 Inch Metal Smart Box Spring provides a strong and dependable foundation for your mattress. Engineered with an ultra-durable steel structure and a quick-assembly design, it ensures robust support and easy setup. This updated version features tool-free locking brackets for a hassle-free assembly experience.

Figure 1: Assembled ZINUS 5 Inch Metal Smart Box Spring.
- Steel Interior Frame With Poly Jacquard: Ensures durability and a clean finish.
- Strong, Dependable, and Ready in No Time: Features an ultra-durable steel structure and convenient packaging for quick assembly.
- Durably Engineered: Constructed with durable steel. Twin/Twin XL sizes support up to 350 lbs, while all other sizes support up to 700 lbs.
- Easier Than Ever Assembly: Fewer bolts and tool-free locking brackets allow for intuitive setup in minutes.
- Thoughtfully Packaged: All components and instructions are compactly packed into one box for easy shipping.
Setup and Assembly
The ZINUS Smart Box Spring is designed for quick and easy assembly. Follow these steps to set up your new mattress foundation.
Unpacking and Component Identification
Carefully open the packaging and lay out all components. Verify that all parts listed in the instruction manual are present before beginning assembly.

Figure 2: All components of the Smart Box Spring, including steel frame pieces and locking brackets.
Assembly Steps
- Connect Frame Sections: Utilize the tool-free locking brackets to connect the main steel frame sections. Ensure the push-pin system engages securely.
- Assemble Push-Pin System: For certain connections, use the push-pin system. Simply align the pieces and push the pins to secure them. No additional tools are required for these connections.
- Install Slats: Once the main frame is assembled, place the steel slats across the frame. These slats provide the primary support for your mattress.
- Apply Cover: Stretch the poly jacquard cover over the assembled steel frame. The elastic band ensures an easy and snug fit.

Figure 3: Illustration of tool-free locking brackets for intuitive setup.

Figure 4: Visual guide for the push-pin assembly process.

Figure 5: The elastic band cover is easy to put on and take off.
For a visual guide on assembly, please refer to the official product video below:
Video 1: Official ZINUS Metal Smart Box Spring with Quick Assembly Guide. This video demonstrates the step-by-step assembly process, highlighting the tool-free locking brackets and push-pin system for efficient setup.
Operating Instructions
The ZINUS Smart Box Spring functions as a foundational support for your mattress. It is designed to be placed on a compatible bed frame or platform bed (sold separately).
- Placement: Position the assembled box spring securely on your bed frame. Ensure it is centered and stable.
- Mattress Compatibility: This box spring is compatible with King-sized mattresses.
- Weight Capacity: The King size box spring can support up to 700 lbs. Do not exceed this weight limit to ensure product longevity and safety.

Figure 6: The ZINUS Smart Box Spring providing support for a mattress and bedding within a bedroom.

Figure 7: The box spring supports the mattress, with a note that the bed frame and mattress are separate purchases.
Maintenance
Proper maintenance will extend the life of your ZINUS Smart Box Spring.
- Cleaning: Wipe the steel frame with a dry cloth as needed to remove dust. The poly jacquard cover can be removed for cleaning if necessary.
- Inspection: Periodically check all connections and fasteners to ensure they remain tight and secure. Re-tighten if any looseness is detected.
- Avoid Excessive Moisture: Keep the box spring in a dry environment to prevent rust or damage to the steel components.
Troubleshooting
If you encounter any issues with your ZINUS Smart Box Spring, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Squeaking noises | Loose connections or uneven placement on bed frame. | Ensure all locking brackets and push-pin connections are fully engaged. Verify the box spring is level and securely seated on your bed frame. |
| Difficulty assembling | Incorrect alignment of parts or misunderstanding of locking mechanisms. | Refer to the "Setup and Assembly" section and the assembly video. Ensure parts are oriented correctly before attempting to connect them. |
| Box spring feels unstable | Incomplete assembly or damaged components. | Double-check all connections. If components appear damaged, contact ZINUS customer support. Ensure the box spring is placed on a stable, flat bed frame. |
Specifications
Detailed specifications for the ZINUS 5 Inch Metal Smart Box Spring (King size):
| Feature | Detail |
|---|---|
| Size | King |
| Product Dimensions | 78.7"L x 75.5"W x 5"H |
| Special Feature | Durable |
| Color | Grey |
| Finish Type | Steel |
| Included Components | Slat, Steel Frame, Cover |
| Compatible With Mattress Size | King |
| Brand | ZINUS |
| Furniture Finish | Alloy Steel |
| Product Care Instructions | Wipe with Dry Cloth |
| Assembly Required | Yes |
| Ground To Item Distance | 5 Inches |
| Manufacturer | Zinus |
| UPC | 841550325300 |
| Item Weight | 42.8 pounds |
| Item Model Number | ZU-ABS-5KS |
| Fabric Type | Steel Interior Frame With Poly Jacquard |

Figure 8: Key dimensions and weight capacity of the ZINUS Smart Box Spring.

Figure 9: A cutaway view illustrating the robust internal steel frame structure.
Warranty and Support
Your ZINUS Smart Box Spring comes with a comprehensive warranty and dedicated customer support.
- Warranty: A worry-free 5-year limited warranty is included with your purchase. This warranty covers manufacturing defects and ensures peace of mind regarding the product's durability.
- Customer Support: For any questions, concerns, or warranty claims, please contact ZINUS customer service. Refer to the contact information provided in your product packaging or visit the official ZINUS website.
- Additional Resources:
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