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The ELMDOR ACORN0525-000-002 is a replacement cartridge designed for use in 3/4 inch sillcock assemblies. The cartridge is the internal valve mechanism that controls water flow and shutoff at an exterior hose bib or wall hydrant. When a sillcock begins to drip, leak around the stem, or fails to shut off completely, replacing the cartridge restores proper sealing and flow control without requiring full fixture replacement. This part is installed by licensed plumbers and experienced service technicians working on residential or light commercial exterior plumbing.
This cartridge is suited for 3/4 inch sillcock applications found on exterior building walls, utility areas, and mechanical rooms. It is a direct-replacement component intended to restore function to an existing sillcock body rather than replacing the entire fixture. Typical installation scenarios include routine maintenance calls, freeze-damage repairs, and leak remediation on exterior hose bib assemblies.
Designed as an OEM-style replacement cartridge for 3/4 inch sillcock assemblies. Verify cartridge dimensions and valve body configuration against existing fixture before installation.
Cartridge replacement on a sillcock should be performed by a licensed plumber or qualified service technician. Shut off the water supply at the nearest upstream isolation valve and relieve line pressure before disassembling the sillcock body. Follow all applicable IPC and local plumbing code requirements for exterior hose bib service. Do not overtighten the cartridge retaining nut, as this can crack the valve body or distort the cartridge seal.
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