1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your Sterling Guard+ 72331100-0 Shower Base. The Guard+ shower base is designed for durability and efficient water containment, offering a practical solution for your bathroom. Please read this manual thoroughly before beginning installation or use.

Image 1.1: Front view of the Sterling Guard+ 72331100-0 shower base. This image displays the white rectangular shower base with a central drain, showcasing its low threshold and integrated water containment features.
2. Safety Information
Always prioritize safety during installation and use. Failure to follow these instructions could result in injury or product damage.
- Professional Installation: It is recommended that installation be performed by a qualified professional to ensure proper setup and adherence to local building codes.
- Heavy Object: The shower base is heavy (approximately 42.8 pounds). Use proper lifting techniques and seek assistance to prevent injury.
- Inspect for Damage: Before installation, carefully inspect the shower base for any signs of damage. Do not install a damaged product.
- Secure Installation: Ensure the base is level and securely fastened according to the detailed installation guide to prevent movement and potential leaks.
- Water Testing: After installation, thoroughly test for leaks before completing surrounding finishes.
3. Package Contents
Verify that all components are present before beginning installation:
- Sterling Guard+ 72331100-0 Shower Base (White)
- Detailed Installation Guide (separate document)
4. Setup and Installation
The Sterling Guard+ shower base is designed for efficient installation. Refer to the separate, detailed installation guide included with your product for step-by-step instructions, diagrams, and specific requirements for your installation type.
Key Installation Features:
- Installation Type: Screw-In.
- Compatibility: Works well in tile-down applications and with Sterling Store+ walls.
- Efficiency: Designed to install faster than traditional tile shower bases or one-piece modules.
- Construction: Features tongue-and-groove construction for direct installation onto studs.
- Sealing: Many models require minimal to no caulk for sealing.

Image 4.1: Top-down view of the Sterling Guard+ 72331100-0 shower base. This perspective highlights the rectangular shape, the central drain opening, and the perimeter design for water containment.

Image 4.2: Illustration detailing the quick installation benefits of Vikrell products, including faster installation times and tongue-and-groove construction for direct stud mounting.
5. Operation and Usage
The Sterling Guard+ shower base is designed for daily use in residential and commercial settings. Its primary function is to provide a durable, watertight foundation for your shower enclosure.
- Water Containment: Features a superior, four-sided water containment system with full-length water containment guards and weep channels that redirect water into the base.
- Accessibility: A low, three-inch threshold provides easy entry and exit from the shower.
- Durability: Made of solid Vikrell material, ensuring strength and long-lasting performance.
6. Maintenance
Proper care and cleaning will help maintain the appearance and longevity of your Sterling Guard+ shower base.
- Regular Cleaning: The nonporous surface resists stains and scratches. Clean regularly with mild soap and water using a soft cloth or sponge.
- Avoid Abrasives: Do not use abrasive cleaners, scouring pads, or harsh chemicals, as these can damage the surface finish.
- Rinse Thoroughly: Always rinse the surface thoroughly after cleaning to remove any soap residue.

Image 6.1: Illustration demonstrating the ease of cleaning a Vikrell surface with soap and water, highlighting its nonporous nature.
7. Troubleshooting
This section addresses common concerns you might encounter with your shower base.
- Cracks or Damage: If the product arrives with cracks or damage, do not install it. Contact your retailer or Sterling customer service immediately for assistance.
- Leaks: Leaks are typically due to improper installation. Review the installation guide carefully, paying close attention to sealing and drain connections. If issues persist, consult a professional plumber.
- Drainage Issues: Ensure the base is installed perfectly level. Blockages in the drain can also cause slow drainage; clear any debris from the drain opening.
8. Specifications
| Attribute | Specification |
|---|---|
| Model Number | 72331100-0 |
| Brand | Sterling (a KOHLER Company) |
| Dimensions (L x W x H) | 60 x 34 x 4.19 inches |
| Item Weight | 42.8 pounds |
| Material | Vikrell |
| Color | White |
| Installation Type | Screw-In |
| Shape | Rectangular Prism |
| UPC | 885612464576 |
| Assembly Required | No (for the base itself) |

Image 8.1: Illustration emphasizing the robust construction of Vikrell, molded into a solid piece with structural ribs for strength and durability against daily use.
9. Warranty and Support
Warranty Information:
The Sterling Guard+ 72331100-0 Shower Base comes with the following limited warranty:
- Residential Use: 10 Year Limited Warranty
- Commercial Use: 3 Year Limited Warranty
Please refer to the official warranty document included with your product or visit the Sterling website for full terms and conditions.
Customer Support:
For technical assistance, replacement parts, or warranty claims, please contact Sterling customer service through their official website or the contact information provided in your product packaging. When contacting support, please have your model number (72331100-0) and proof of purchase readily available.





