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The OATEY dea-4028 is a 1.5-inch closet spud washer designed to create a watertight seal between a toilet bowl and the closet spud on the flush valve. This rubber washer compresses against the underside of the toilet bowl flange to prevent leaks at the tank-to-bowl connection point. Sold in a box of six, it is a standard replacement consumable used by plumbers during toilet installation, fixture rebuild, or service calls where the existing washer is worn, cracked, or deformed.
This spud washer is intended for residential and light commercial toilet installations where a 1.5-inch closet spud is present. It is a routine stocking item for plumbing contractors, service technicians, and fixture installers. The six-pack quantity supports truck stock or supply house restocking without requiring a per-unit purchase.
Designed as an OEM-style replacement spud washer for residential and commercial toilet bowl assemblies using a 1.5-inch closet spud connection.
Closet spud washers are installed by licensed plumbers or qualified plumbing technicians. Shut off the water supply and flush the toilet to depressurize and empty the tank before beginning work. Inspect the spud and bowl seating surface for corrosion or damage before installing the new washer. Follow local plumbing code requirements, including applicable IPC provisions, for fixture installation and service.
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