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The LARSEN SUPPLY COMPANY LAR02-1809 is a 2-piece set of number 31 nylon washers used in faucet and plumbing repair applications. Nylon washers provide a resilient, non-metallic seating surface that resists corrosion and wear in both hot and cold water service. These washers are installed by plumbers and experienced DIYers during routine faucet maintenance, valve seat service, and stem replacement work. The nylon construction holds up against repeated compression cycles, making it a reliable choice for restoring proper shutoff and reducing drip in standard compression-style faucets.
This washer set is suited for residential and light commercial plumbing repair. Number 31 sizing corresponds to a common washer dimension used in a wide range of compression faucet stems. Plumbers typically keep assorted washer sets on hand for service calls involving leaking faucets, worn stems, or valve seat reconditioning. The 2-piece pack provides an immediate replacement and a backup for future service on the same fixture.
Designed as an OEM-style replacement washer for standard compression-style faucets requiring a number 31 nylon washer.
Installation is performed by a licensed plumber or qualified technician. Shut off the water supply at the fixture stop valve or main shutoff before disassembling the faucet stem. Remove the worn washer, seat the replacement nylon washer squarely against the stem retainer, and secure with the brass screw before reassembly. Inspect the valve seat for damage before completing the repair.
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