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The OATEY K826-3 is a beveled tub overflow washer designed to seal the overflow plate assembly on a standard bathtub drain system. This small but essential component sits between the overflow coverplate and the tub wall, creating a watertight seal that prevents water from migrating behind the tub surround. Weighing just 0.08 pounds, it is a lightweight replacement part that plumbers and drain service technicians keep on hand for routine overflow drain service calls and tub drain repair work.
This washer is used in residential bathtub overflow drain assemblies where the original washer has worn, compressed, or deteriorated over time. The beveled profile is sized to conform to the curved surface of the tub wall at the overflow opening, ensuring a proper face seal when the overflow coverplate is fastened down. It is sold individually and is a standard service replacement item for plumbers working on bathtub overflow drain repairs.
Designed as an OEM-style replacement washer for residential bathtub overflow drain assemblies requiring a beveled overflow plate gasket.
Installation is performed by licensed plumbers or qualified drain service technicians. Before servicing the overflow drain assembly, ensure the water supply to the tub is shut off and the tub is drained. Remove the existing overflow coverplate screws, pull the plate away from the tub wall, and replace the old washer with the K826-3 before reseating the plate. Do not overtighten coverplate screws, as this can distort the washer and compromise the 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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