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The OATEY 800-219LF 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 fits flush within the spout end, keeping the aerator hidden from view and protected against removal without the proper key tool. At 0.15 pounds, this is a compact, lightweight component suited for water-conservation applications in both residential and light commercial plumbing. Licensed plumbers and facilities maintenance techs install this type of aerator to meet low-flow code requirements without sacrificing faucet function.
Recessed cache aerators like the 800-219LF are commonly specified in public restrooms, healthcare facilities, schools, and multi-family residential settings where tamper resistance is a priority. The 1.5 GPM flow rate supports compliance with WaterSense and similar water-efficiency standards. This aerator is installed directly into the internal threads of a compatible faucet spout and requires a cache aerator key for removal and reinstallation, making it appropriate for high-traffic or public-access fixtures.
Designed as an OEM-style replacement recessed cache aerator for compatible faucet spouts requiring a cache-style insert. Verify spout inside diameter and thread pattern before installation to confirm fitment.
Installation and removal of cache aerators requires the correct cache key tool - standard pliers or wrenches will damage the housing. Shut off the water supply before servicing the faucet. A licensed plumber should verify local water pressure and flow-rate requirements prior to aerator selection. Work performed on public or commercial fixtures may be subject to local plumbing code requirements under the IPC or applicable state amendments.
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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