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The FLUIDMASTER INC B1T20 is a 20-inch braided stainless steel toilet supply connector designed to link the shutoff valve to the toilet tank ballcock inlet. The flexible stainless steel braid provides corrosion resistance and burst protection in residential and light commercial toilet installations. Connections are 3/8 inches female compression on the supply valve end and 7/8 inches female ballcock thread on the toilet end. Licensed plumbers and experienced DIYers install this connector as a direct supply line for close-coupled and wall-hung toilet tanks.
This connector is suited for residential and commercial restroom applications where a durable, corrosion-resistant supply line is required. The 20-inch length accommodates standard rough-in distances between floor-mounted angle stops and toilet tank ballcock inlets. It is commonly specified during toilet replacements, valve upgrades, or new construction rough-in where a reliable braided supply connector is required by local plumbing code.
Designed as an OEM-style replacement supply connector for residential and commercial toilet installations requiring a 3/8 inches female compression inlet and a 7/8 inches female ballcock outlet.
Installation is performed by a licensed plumber or qualified tradesperson in accordance with local IPC requirements. Shut off the water supply at the angle stop valve and flush the toilet to relieve pressure before disconnecting the existing supply line. Hand-tighten the compression fitting first, then snug with an adjustable wrench — do not overtighten, as this can damage the compression seat or crack the ballcock shank. Inspect both end connections for drips after restoring water supply.
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