Guardian Drain Lock
Guardian Drain-Lock Flat
$52.95View product →
Protect the drain. Protect the facility.
Stop drain debris before it stops you.
Tamper-resistant drain locks keep floor sinks and floor drains protected—helping restaurants and commercial facilities reduce clogs, backups, downtime, and costly service calls.
✓ Tamper-resistant✓ Quick installation✓ Built for commercial use
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Built for the drains that take the most abuse.
Secure drain protection and practical accessories for demanding commercial environments.
Most trusted solutions
Choose your drain protection.
Guardian Drain Lock
Guardian Dome D-LOCK Locking Dome Drain Lock
$54.95View product →
Guardian Drain Lock
Guardian FLOOR Drain-Lock Round
$78.95View product →
Guardian Drain Lock
Guardian FLOOR Drain-Lock Square
$78.95View product →
Small installation. Serious protection.
Guardian Drain Locks help protect commercial plumbing without interrupting day-to-day operations.
Protect the line
Help block debris before it accumulates in P-traps and drain lines.
Install quickly
Pre-assembled products simplify installation and help minimize operational disruption.
Control maintenance
Authorized staff retain access while the tamper-resistant design keeps protection in place.
Plan the right protection
Measure correctly. Protect the whole system.
Facility-focused guidance helps teams select the right lock and prevent common floor sink problems.
Designed for demanding facilities
Where drains cannot afford to fail.
Purpose-built for high-traffic facilities where sanitation, uptime, and dependable plumbing protection matter every day.
✓ Restaurants✓ Commercial kitchens✓ Food processing✓ Grocery stores✓ Schools✓ Healthcare facilities
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Backed by Drain-Net
Commercial drain expertise—not just another product catalog.
For more than 20 years, Drain-Net has helped restaurants, foodservice operators, schools, hospitals, and commercial properties protect plumbing systems and reduce costly drain problems.
About Drain-Net →