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Guardian Drain Lock

Guardian FLOOR Drain-Lock Round

Guardian FLOOR Drain-Lock Round

Regular price $88.12 USD
Regular price Sale price $88.12 USD
Sale Sold out
Shipping calculated at checkout.
Size

SKU:GDL-RFD-3500-S

The Guardian Lockout prevents foul odors and bugs from exiting the pipes and eliminates the need for a primer trap. The center bolt locks the grate in place, solving the problem of missing or sheered screws. The fully assembled one piece unit is easy to install.

Features

  • CLOG, ODOR & BUG PROTECTION: Protects commercial floor drains from unwanted debris clogging pipes and backing up plumbing lines; features odor and bug blocker technology
  • QUICK REPLACEMENT: Fully assembled one-piece design; fits most major 3.5 inch floor drain sizes
  • EASY & SECURE INSTALLATION: Convenient drop-in and single screw design; tamper proof and unbreakable construction; requires Tamper Proof Torx Wrench (sold separately)
  • Perfect for floor drains in restaurants, food processing plants, factories, restrooms, walkways, and construction sites.
  • Only a T-45 Tamperproof Torx tool can unlock your drain grate (sold separately)
  • No need to re-tap screws or replace the entire housing underneath
  • No Assembly required, easy to install.
  • Replaces floor drains covers manufactured by Josam, JR Smith and Zurn.   The drain opening must measure 3.5".  Failure to measure before you order may result in a product that does not fit. There is a 25% restocking fee for returns.
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Correct service access

Match the Torx key to the lock.

Two-inch Guardian Flat and Dome locks use T40. Three- and four-inch locks—plus round and square floor drain models—use T45.

Shop service tools
Guardian Drain Lock Torx tool compatibility chart

Before you order

A precise fit starts with a precise measurement.

Drain size labels and actual openings are not always the same. Review the guide and contact us if you are unsure.

Watch the measuring guide →
Lock and Stop Drain Lock installed beneath a square OEM floor drain cover

More locking solutions

Have a floor drain that isn’t compatible with Guardian?

Drain-Net offers an alternative locking solution. We retrofit OEM floor-drain covers with the Lock & Stop Drain Lock, providing tamper-resistant protection for drain sizes and configurations outside the Guardian product range.

Explore Lock & Stop Drain Locks →