Connection of a sink drain in the bathroom

 The sink drain is connected to the drain pipe under the sink. All modern drains for sinks are already prepared for connection to a metal or PVC drain pipe. They have standardized threads to make the job easier, so this is a simple DIY project. Most connecting nuts can be tightened by hand, but for metal connecting nuts, you'll need to use adjustable pliers.

Wipe the sink drain hole with a damp rag. You will need to remove all dirt, grime and grit for a watertight seal.

Knead some plumber's putty in your hand to make it soft and pliable. Once it is soft, roll it into the shape of a rope that will wrap around the bottom of the drain flange.

Press the putty under the drain flange, keeping the shape of the rope. The putty must cover the circumference of the drain flange without any breaks.

Push the drain into the drain hole of the sink. Push it in until the putty begins to run out the sides of the flange. The protruding part of the drain that hangs under the sink is the tail piece.

Slide a drain washer over the end piece. This is a flattened piece of rubber that fits under the sink. Hold the washer in place and screw on the lock nut. This nut will secure the washer under the sink and create a watertight fitting. Tighten the lock nut firmly so that the plumber's putty runs out from under the drain flange. Wipe away the putty around the flange in the sink.

Connect the end piece to the trap under the sink. Tighten all slip nuts and check for leaks.

Attaching the sink stopper

Insert the pivot rod into the stopper hole on the back of the end piece. Align it with the insertion hole on the sink stopper. The connection is properly made when you move the pivot rod up and down and the stopper moves accordingly in the sink. A nylon ball on the end of the link rod will sit in a hole on the end piece when the stopper and link rod are properly assembled.

Slide the retaining nut onto the pivot rod and attach it to the end piece. Do not fully tighten the nut at this time, but screw it on just enough to hold the nylon ball in place.

Slide only one side of the u-shaped spring clip onto the end of the swivel rod. Then slide the clevis clip onto the end of the pivot rod. Then slide the other side of the spring clamp onto the rod behind the clevis to hold it to the rod.

Attach the clevis strap to the stopper lift bar at the sink. There is a nut on the triple clamp to adjust the height of the lift rod. The rod moves the fork yoke, swivel rod, and stopper up and down. Adjust the lift rod on the fork bridge so that the sink stopper pops up when you push the rod down.

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