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The FLUIDMASTER pro1f20cs is a 20-inch braided stainless steel faucet supply connector designed for potable water supply connections at faucets and fixtures. It features a 3/8 inch compression inlet by 1/2 inch FIP outlet fitting configuration. The connector is built around a polymer core encased in braided stainless steel wire, meeting or exceeding code requirements for flexible water supply connectors. Fluidmaster's Click Seal technology is integrated into the fitting design to help prevent cross-threading and over-tightening during installation. A licensed plumber or experienced plumbing technician is the typical installer for this type of supply line.
This connector is suited for residential and light commercial faucet installations where a 3/8 inch compression shutoff valve connects to a 1/2 inch FIP faucet shank. Common applications include kitchen faucets, bathroom lavatory faucets, and similar fixture supply connections. The 20-inch length accommodates standard under-sink rough-in distances. The Click Seal fitting provides an audible click confirmation when the connection is properly sealed, reducing callback risk from improperly seated fittings.
Designed as a faucet supply connector for use with 3/8 inch compression shutoff valves and 1/2 inch FIP faucet inlets in residential and light commercial plumbing installations.
Installation is performed by a licensed plumber or qualified plumbing technician. Shut off the water supply and relieve line pressure before removing the existing connector. Hand-tighten the Click Seal fitting until the audible click is heard, then confirm snug seating per manufacturer guidance — do not use excessive wrench force beyond what is needed to complete the seal. Follow all applicable local plumbing codes and IPC requirements for flexible water supply connectors.
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