Keter 220941
Keter Sumatra 135 Gallon Outdoor Deck Box Instruction Manual
Model: 220941 | Brand: Keter
Product Overview
The Keter Sumatra 135 Gallon Resin Rattan Look Outdoor Deck Box is designed for stylish and practical outdoor storage. Constructed from durable, all-weather polypropylene resin, it offers ample space for patio furniture cushions, garden tools, toys, and pool supplies. Its robust design also allows it to function as an attractive outdoor bench, supporting up to 770 pounds. The deck box features a rattan-look texture, hydraulic pistons for easy lid operation, and a lockable design for enhanced security (lock not included).
Key Features:
- Dimensions: Exterior: 57 in. L x 28.7 in. W x 25 in. H / Interior: 54 in. L x 26 in. W x 22 in. H
- Capacity: Extra large 135-gallon storage capacity.
- Material: All-weather polypropylene resin with an elegant rattan-look texture.
- Durability: Will not warp, dent, rust, or peel; UV- and weather-resistant.
- Lid Mechanism: Hydraulic pistons for easy lift and soft-close operation.
- Seating: Strong enough to comfortably seat two adults (weight capacity 770 lbs).
- Security: Lockable design (padlock sold separately).
- Portability: Built-in handles for easier movement.
- Ventilation: Vented for air circulation to prevent odors.
Setup and Assembly
The Keter Sumatra Deck Box is designed for straightforward assembly. While specific step-by-step instructions are typically provided in the product packaging, the general process involves interlocking panels and securing them with fasteners. No special tools are usually required beyond what might be included or common household items.
- Unpack Components: Carefully remove all parts from the packaging and verify against the parts list in your included manual.
- Assemble Base: Connect the base panels as instructed. Ensure all connections are secure.
- Attach Side Panels: Secure the side panels to the base, ensuring they interlock correctly.
- Install Front and Back Panels: Attach the remaining panels to complete the main body of the box.
- Mount Lid and Pistons: Carefully attach the lid, ensuring the hydraulic pistons are correctly installed. These pistons facilitate smooth opening and closing.
- Final Checks: Confirm all parts are securely fastened and the lid operates smoothly.
For detailed visual guidance, please refer to the assembly diagrams in your physical instruction manual.

Image: The Keter Sumatra Deck Box, fully assembled, positioned in a garden area. This image illustrates the product's aesthetic and size in an outdoor environment.
Operating Instructions
Opening and Closing the Lid:
The lid of the Keter Sumatra Deck Box is equipped with hydraulic pistons for effortless operation. To open, gently lift the lid; the pistons will assist in raising it fully and holding it open. To close, gently pull the lid down; the soft-close mechanism will ensure it descends slowly and safely, preventing sudden drops.

Image: A woman is shown opening the Keter Sumatra Deck Box, demonstrating the easy-lift lid mechanism. The box is filled with various outdoor items.
Storage Capacity:
With a generous 135-gallon capacity, this deck box is ideal for storing a wide range of outdoor items. This includes large patio cushions, garden tools, children's toys, pool accessories, and other outdoor essentials. The interior features deep treads to allow for water drainage, helping to keep stored items dry and ventilated.

Image: A man is shown organizing garden tools and supplies inside the open Keter Sumatra Deck Box, highlighting its spacious interior.
Dual Functionality as a Bench:
The robust construction of the Sumatra Deck Box allows it to serve as a comfortable outdoor bench. It is designed to support up to 770 pounds, making it suitable for seating two adults. Ensure the lid is fully closed before using it as a seating surface.

Image: A family is gathered around the Keter Sumatra Deck Box, with one person sitting on it, demonstrating its use as an outdoor bench.
Security:
For added security, the deck box features a lockable design. A standard padlock (not included) can be attached to the designated loop on the front of the box to secure its contents.

Image: A close-up view of the lockable latch on the Keter Sumatra Deck Box, showing where a padlock can be attached for security.
Maintenance and Care
The Keter Sumatra Deck Box is constructed from all-weather polypropylene resin, designed for minimal maintenance and long-lasting durability. It is UV-protected and weather-resistant, ensuring it will not chip, peel, rot, or rust.
- Cleaning: To clean, simply wipe down with a damp cloth and mild soap. Avoid abrasive cleaners or harsh chemicals, as these can damage the resin finish.
- Weather Protection: While designed for all-weather use, ensuring the lid is properly closed during heavy rain or snow will provide optimal protection for stored items.
- Ventilation: The box is vented for air circulation. Periodically check that vents are clear of debris to maintain proper airflow.
Troubleshooting
Most issues with the Keter Sumatra Deck Box can be resolved with simple checks.
- Lid not closing properly: Ensure no items are obstructing the lid's path. Check that the hydraulic pistons are correctly aligned and free of damage.
- Water inside the box: Verify the lid is fully closed and sealed. Check for any cracks or damage to the resin body. Ensure the box is placed on a level surface to prevent water pooling.
- Difficulty moving the box: If the box is full, empty some contents to reduce weight. Utilize the built-in handles for easier portability.
If you encounter persistent issues, please refer to the warranty and support section for contact information.
Specifications
| Feature | Detail |
|---|---|
| Brand | Keter |
| Model Number | 220941 |
| Exterior Dimensions (L x W x H) | 57"L x 28.7"W x 25"H |
| Interior Dimensions (L x W x H) | 54"L x 26"W x 22"H |
| Capacity | 135 Gallons (511.03 Liters) |
| Material | Resin (Polypropylene) |
| Color | Brown |
| Item Weight | 30.6 Pounds |
| Maximum Weight Recommendation (for seating) | 770 Pounds |
| Special Features | Lockable, Weathertight, Impact-resistant, Durable, Vented |
| Water Resistance Level | Water Resistant |
| Recycled Content Percentage | 50% |
| Included Components | 1 Sumatra outdoor storage deck box |

Image: A diagram illustrating the exterior dimensions (length, width, height) of the Keter Sumatra Deck Box.
Warranty and Support
Manufacturer Warranty: The Keter Sumatra Deck Box comes with a 2-Year Limited Manufacturer Warranty.
Customer Support: For any questions, assistance with assembly, troubleshooting, or warranty claims, please contact Keter's dedicated customer support team. Contact information can typically be found on the product packaging or the official Keter website. Keter offers support based in the USA.
For more information, visit the official Keter website: www.keter.com
Product Videos
Keter Sumatra 135 Gallon Outdoor Storage Rattan Deck Box Overview
Video: An official product video from Keter showcasing the Sumatra 135 Gallon Outdoor Storage Rattan Deck Box. This video provides a general overview of the product's features and design.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.
