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The BRASSCRAFT sf0037 is a dual male-thread aerator adapter designed to connect faucet aerators where thread sizes do not match directly. Built from plastic with an included rubber washer for a leak-resistant seal, this adapter bridges a 13/16-inch male thread on one end to a 55/64-inch male thread on the other. The white finish blends with standard residential fixtures. Plumbers and fixture installers reach for this adapter when retrofitting or replacing aerators on faucet spouts that require a size conversion between these two common thread standards.
This adapter is suited for residential plumbing applications involving kitchen, bathroom, or utility faucet aerator installation. It is most commonly used when an aerator housing does not match the existing spout thread size. The included washer seats between mating surfaces to prevent drips without additional sealant tape in most standard applications. It installs by hand in most cases and requires no special tooling.
Designed as an OEM-style replacement or retrofit adapter for residential faucet aerator assemblies requiring a 13/16-inch male to 55/64-inch male thread conversion.
Shut off the water supply to the faucet before removing or installing aerator components. Hand-tighten the adapter to avoid cracking the plastic threads — use a wrench only if necessary and with a protective cloth to prevent surface damage. Confirm the rubber washer is seated flat before completing the connection to ensure a proper seal. Installation should follow applicable local plumbing codes.
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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