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Floor Sinks

Floor sinks are plumbing fixtures designed to receive indirect waste from sinks, equipment, and appliances. They are commonly used in commercial and industrial environments where air gaps are required for code compliance. Coburn Supply offers floor sink drains suitable for a wide range of applications and layouts. From pvc floor sinks to cast iron-compatible drain options, this category supports durable and hygienic drainage solutions. These floor sinks for sale are available in multiple sizes, including 3 inch floor sink configurations for controlled discharge. 

Built for Indirect Drainage Compliance

Floor sinks provide critical sanitation and safety features, offering versatile material and sizing options for diverse mechanical layouts:

  • Indirect Waste Collection Design: Allows wastewater to discharge through an air gap, preventing backflow and contamination.
  • Material Options for System Compatibility: Pvc floor sinks offer corrosion resistance, while drain for cast iron sink connections support legacy systems.
  • Compact and Space-Efficient Profiles: Smaller options such as a 3 inch floor sink fit well in tight mechanical or utility spaces.
  • Debris and Splash Control Features: Many designs include grates or strainers to control debris and splashing around the sink floor drain area.

Used in Regulated Plumbing Environments

Floor sinks are installed where indirect waste drainage is required for sanitation, safety, and adherence to local plumbing codes:

  • Commercial Kitchens and Food Service: Receives discharge from prep sinks and equipment to meet strict health code requirements.
  • Mechanical and Utility Rooms: Used to manage condensate and equipment discharge in controlled environments for safe water handling.
  • Industrial Facilities: Handles indirect waste from machinery and process equipment, supporting regulated drainage practices.
  • New Construction and System Upgrades: Planned during system design to meet local plumbing codes and long-term service needs.

Frequently Asked Questions

What are floor sinks used for in plumbing systems? 
They receive indirect waste from fixtures and equipment while maintaining an air gap for safety and sanitation. 

Are pvc floor sinks suitable for commercial use? 
Yes, PVC options are widely used for their corrosion resistance and durability in commercial applications. 

What size floor sink is commonly used? 
3 inch floor sink sizes are common, though the specific sizing depends on your discharge volume requirements. 

Can floor sinks connect to cast iron piping? 
Yes, drain for cast iron sink connections are available to support integration with legacy piping systems.