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The OATEY PP85519 is a plastic polywasher designed for use in drain and waste plumbing connections. Measuring 1.5 inches by 1.5 inches, this washer creates a reliable seal at slip-joint and drain fitting connections. Each card includes 2 washers, making it a practical addition to a service call or repair kit. Plumbers and drain technicians reach for poly washers when replacing worn or cracked seals in P-traps, drain assemblies, and similar low-pressure waste piping. The polypropylene or similar plastic construction resists common drain chemicals and minor temperature fluctuations typical of residential and light commercial waste lines.
These polywashers are suited for residential and light commercial plumbing drain applications. They are commonly installed at slip-joint connections in P-traps, sink drain assemblies, and tub drain fittings. The 1.5-inch size corresponds to standard 1.5-inch drain and waste piping, one of the most frequently encountered sizes in kitchen and bathroom drain work. Sold 2 per card, they are well suited for single-fixture repairs or as backup stock in a service van.
Designed as an OEM-style replacement washer for standard 1.5-inch slip-joint drain and waste plumbing fittings in residential and light commercial applications.
Polywashers are installed by licensed plumbers or experienced service technicians during P-trap and drain fitting service. Turn off the water supply and clear standing water from the trap before disassembly. Hand-tighten slip-joint nuts to compress the washer evenly - over-tightening with a wrench can crack the plastic washer and cause leaks. Verify there are no leaks after restoring flow, in accordance with IPC requirements for drain and waste piping.
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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