1. Product Overview
The Oatey 42720 Floor-Mounted Utility Sink is designed for general service drainage in commercial applications with light traffic. This durable sink is constructed from Polyvinyl Chloride (PVC) and features a 2-inch socket for efficient connection to drainage systems. It is engineered for reliability and ease of integration into various plumbing setups.

Image 1.1: Top-down view of the Oatey 42720 Floor-Mounted Utility Sink, showcasing its white PVC construction and square design.
2. Safety Information
- Always wear appropriate personal protective equipment (PPE), such as safety glasses and gloves, during installation and maintenance.
- Ensure all local plumbing codes and regulations are strictly followed during installation.
- If you are uncertain about any installation or maintenance procedures, consult a qualified and licensed plumber.
- Do not use corrosive chemicals or harsh solvents on the PVC material, as this may cause damage.
3. Product Components
The Oatey 42720 Floor-Mounted Utility Sink is a single, integrated unit. It includes:
- One (1) Oatey 42720 PVC Floor-Mounted Utility Sink body with a 2-inch socket.
4. Installation
This utility sink is designed for floor-mount installation, typically cast into a concrete slab. Proper installation ensures optimal performance and longevity.
4.1. Pre-Installation Check
- Verify that the installation location is suitable for a floor-mounted sink and meets all local building codes.
- Ensure the drainage system is prepared to accept a 2-inch socket connection.
- Inspect the sink for any manufacturing defects or shipping damage before beginning installation.
4.2. Installation Steps
- Prepare the Installation Area: Clear the area where the sink will be installed. If embedding in concrete, ensure the formwork is ready and the space for the sink is correctly sized according to the dimensions provided in the specifications.
- Connect to Drainage: Position the sink and connect its 2-inch socket to the prepared drainage pipe. Use appropriate PVC cement and primer for a secure, watertight seal. Allow adequate curing time as per the adhesive manufacturer's instructions.
- Secure the Unit: If embedding in concrete, ensure the sink is level and properly supported within the formwork before pouring concrete. The sink's flange should be flush with the finished floor level.
- Test for Leaks: After installation and curing, fill the sink with water and allow it to drain. Carefully inspect all connections for any signs of leakage. Address any leaks immediately.

Image 4.1: Technical drawing providing detailed dimensions and socket sizes for Oatey PVC Floor Sinks, including model 42720.

Image 4.2: Bottom view of the utility sink, highlighting the 2-inch socket connection point.
5. Operation
The Oatey 42720 Floor-Mounted Utility Sink functions as a passive drainage point. To ensure proper operation:
- Ensure the drain is clear of large debris before and during use to maintain proper flow and prevent blockages.
- Avoid pouring substances that could solidify or damage PVC into the sink.
6. Maintenance
Regular maintenance will extend the life and efficiency of your utility sink.
- Cleaning: Clean the sink regularly with a mild detergent and water. Avoid abrasive cleaners, scouring pads, or harsh chemicals (e.g., acetone, strong acids/bases) that can scratch or degrade the PVC material.
- Drying: As per product care instructions, wipe the sink with a dry cloth after cleaning to prevent water spots and maintain appearance.
- Debris Removal: Periodically remove the drain grid and clear any accumulated debris, such as dirt, lint, or small objects, to prevent blockages and ensure efficient drainage.
- Inspection: Routinely inspect the sink for any signs of cracks, damage, or loose connections. Address any issues promptly to prevent further problems.

Image 6.1: Top view of the utility sink, showing the basin and drain opening, which should be kept clear of debris.
7. Troubleshooting
This section addresses common issues you might encounter with your utility sink.
7.1. Slow Drainage or Clogging
- Cause: Accumulation of debris, grease, or foreign objects in the drain or P-trap.
- Solution: Remove the drain grid and clear any visible obstructions. For deeper clogs, use a plumbing snake or a non-corrosive drain cleaner specifically designed for PVC pipes. If the problem persists, consult a professional plumber.
7.2. Leaks Around the Base or Connections
- Cause: Improperly sealed connections during installation, damaged PVC cement joints, or a crack in the sink body.
- Solution: Inspect all plumbing connections for proper sealing. If a joint is leaking, it may need to be re-sealed or re-glued using appropriate PVC cement. If the sink body is cracked, it may require replacement.
8. Specifications
Detailed specifications for the Oatey 42720 Floor-Mounted Utility Sink:
| Feature | Specification |
|---|---|
| Brand | Oatey |
| Model Number | 42720 |
| Material | Polyvinyl Chloride (PVC) |
| Color | White |
| Size | Small |
| Style | Industrial |
| Installation Type | Floor-Mount |
| Finish Type | Brushed |
| Shape | Square |
| Drain Type | Grid |
| Socket Size | 2.00 inches |
| Item Weight | 4.11 pounds (1.87 Kilograms) |
| Product Dimensions | 12 x 12 x 6 inches |
| UPC | 038753427201 |
9. Warranty Information
Oatey products are manufactured to high-quality standards. For specific warranty details pertaining to the Oatey 42720 Floor-Mounted Utility Sink, please refer to the official Oatey website or contact Oatey customer service directly. It is recommended to retain your purchase receipt as proof of purchase for any warranty claims.
10. Customer Support
For further assistance, technical questions, or to report any issues with your Oatey 42720 Floor-Mounted Utility Sink, please contact Oatey customer service. Contact information, including phone numbers and email addresses, can typically be found on the official Oatey website (www.oatey.com).





