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The OATEY 800-218LF is a recessed cache aerator rated at 1.5 gallons per minute, designed for installation in faucet spouts where a concealed, tamper-resistant aerator is required. The cache-style housing seats flush inside the spout end, keeping the aerator hidden from view and protected from unauthorized removal without the proper key tool. At 0.06 pounds, the unit is a lightweight, direct-replacement component suited for water-conservation retrofits and new faucet installations. Plumbers and facilities maintenance techs install this aerator in commercial and institutional settings where low-flow compliance and vandal resistance are priorities.
This aerator is intended for use in faucets that accept a recessed cache aerator insert. Common applications include public restrooms, healthcare facilities, schools, and other commercial environments where low-flow water usage is mandated or preferred. The 1.5 GPM flow rate supports compliance with water-efficiency standards in jurisdictions that require reduced faucet output. The lead-free designation makes it suitable for potable water applications in states and municipalities that enforce lead-free plumbing product requirements.
Designed as an OEM-style replacement for faucets that accept a standard recessed cache aerator insert. Confirm spout thread size and cache aerator seat diameter before installation.
Installation and removal of cache aerators requires the matching cache key tool - do not attempt removal with pliers or adjustable wrenches, as this can damage the spout seat. Shut off water supply to the fixture before servicing the aerator. Follow local plumbing code requirements, including IPC provisions for lead-free materials in potable water systems. Inspect the spout seat for debris or wear before seating the new aerator to ensure a proper seal.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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