Drain Locks

Do you need to lock your drains? Are you tired of employees, cleaners, or night crews using your facility drains as the easy way to dispose of dirt, trash, and debris? Your plumbing system does not need to be at risk any more. We have a drain locking solution for any application, perfect for restaurants, processing plants, detention facilities, grocery stores, and any drain that needs to be locked down!

Sizing your drains: Need help sizing your drains? Click here to learn how to measure a drain and to get our free Restaurant Drain Survey. The survey provides step by step instructions to ensure you get the right products for each drain.

Selection Guide:

Product Image	Applications & Sizes	Product Highlights	Locking Method	Material
	Floor Sinks and Floor Drains 2", 3", & 4" drains	Fully assembled one piece unit that is easy to install. Strong grip to drain walls. Very durable. Easy to install.	Stainless Steel Security Bolt	Impact-resistant composite polymer
Pro-Tech Fine Mesh	Floor Sinks and Floor Drains 2", 3", & 4" drains	Same as above + Fine Mesh added to keep even the small stuff out of the pipes.	Stainless Steel Security Bolt	Impact-resistant composite polymer
Pro-Tech Dome Lock	Floor Sinks and Mop Basins 2", 3", & 4" drains	Fully assembled one piece unit that is easy to install. Strong grip to drain walls. Very durable. Easy to install.	Stainless Steel Security Bolt	Impact-resistant composite polymer
Guardian Drain Lock	Floor Sinks 2", 3", & 4" drains	Easy to install. Very durable.	Tamperproof Torx bolt	Polypropylene molded body with stainless steel strainer
Guardian Floor Drain LockSquare / Round	Floor Drains 3.5" drains only. See spec sheet for grate dimensions	Replaces Smith, Zurn, & Josam drain covers (square and round available). Easy to install, but must have exact measurements to determine fit.	Tamperproof Torx bolt	Polypropylene molded body with nickel-bronze strainer
Guardian GDL Lock	Floor Drains 3" drains only. See spec sheet.	Same as above + blocks sewer gas and bugs from exiting pipes. Prevents foul odors.	Tamperproof Torx bolt	Polypropylene molded body with nickel-bronze strainer
Guardian Dome-D-Lock	Floor Sinks and Mop Basins 2", 3", & 4" drains	Easy to install. Very durable.	Tamperproof Torx bolt	Polypropylene molded body with Cast Aluminum dome strainer
Locking Dome Strainer	Floor Sinks and Mop Basins 2", 3", & 4" drains	Features vacant space surrounding the bottom of the dome for water drainage. Very durable. Professional installation recommended.	Square head screw	Molded polymer dome and cross strainer
Lock & Stop	Floor Drains, Floor Sinks and Mop Basins 2", 3", 3.5" (NEW!) & 4" drains	Strongest drain lock there is. Won't pull out of drain. Allows you to retrofit old drain covers or contact us for replacement drain covers.	Tamperproof Torx bolt	100% Stainless Steel
Lock and Stop with Universal Drain Cover	2", 3", 3.5" (NEW!), and 4" drains and replaces a wide range of drain covers	Works with unique drain sizes. The strongest drain lock there is that won't pull out of drain.	Tamperproof Torx bolt	100% Stainless Steel