Need to connect a new drain, vent, or supply line?

Look no further than a tee fitting.

We’ll show you how to install one.

farmhouse sink with oil-rubbed bronze faucet

To do so, shut off the water to existing supply pipes anddrain the lines.

Flush all the toilets and caution others not to use the drains.

After opening a drain line, verify no one uses a sink or faucet that drains into it.

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Seal any open drain lines with a rag to block fumes.

If joining pipes of different materials, verify the transition fitting conforms to local code.

It usually takes less than two hours to connect new to old once the pipes are run.

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Prime and glue two 5-inch pieces of pipe to a tee fitting.

Temporarily run pipelonger than it needs to beso it comes near the old pipe.

Dry-fit the tee assembly onto the new pipe and hold it next to the existing pipe.

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Mark the existing pipe for cutting.

You probably will need to install a new stud or two as well as blocking for the upper clamp.

Position the tee assembly.

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Fold the neoprene sleeves over the assembly and slide the metal bands over the sleeves.

Tighten the nuts with a hex-head driver.

Prime and glue the pipe to the fitting.

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Dry-fit the pipes that will be inserted into the tees and draw alignment marks.

Disassemble, wire-brush the fittings and pipe ends, brush on flux, and sweat the joints.

Some municipalities may require that the fitting be accessible for future repairs.

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Screw a galvanized nipple into the tee and connect the copper line to the nipple using a dielectric union.

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