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The BRASS CRAFT SERVICE PARTS PSB840 is a 12-inch faucet water supply line designed for residential and light commercial plumbing connections. It features an engineered polymer braid construction that provides durability and flexibility under typical household water pressure. The line connects 1/2-inch Iron Pipe (accepting 7/16-inch or 1/2-inch OD slip joint) on one end to 1/2-inch Iron Pipe on the other, making it a straightforward drop-in supply connection. Overall packaged dimensions are 14.75 inches long by 2.50 inches wide by 0.88 inches deep. Licensed plumbers and experienced installers routinely specify this type of line for faucet and fixture replacement work.
The PSB840 is suited for faucet supply connections in kitchens, bathrooms, and utility spaces where a 12-inch braided line meets the required reach between the shut-off valve and the faucet inlet. The dual slip-joint compatibility on the faucet end accommodates both 7/16-inch and 1/2-inch OD fittings, reducing the need for adapters during installation. It is sold in packages of 10 units, making it practical for contractors stocking common supply lines for recurring fixture work.
Designed as an OEM-style replacement supply line for standard residential faucet installations requiring a 1/2-inch Iron Pipe inlet and a 7/16-inch or 1/2-inch OD slip joint faucet shank connection.
Installation should be performed by a licensed plumber or qualified tradesperson in accordance with applicable IPC and local plumbing codes. Shut off the water supply at the angle stop or main before removing the existing supply line. Hand-tighten the slip joint nut first to confirm seating, then snug with a wrench — avoid over-tightening polymer fittings. After installation, open the supply valve slowly and inspect both connections for leaks before returning the fixture to service.
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