Can you hook up two sinks to one drain?

In most cases, you can easily adapt the supply and drain pipes to accommodate two sinks, using tee fittings, special valves, extension pipes and hoses. You may have to vent each sink separately, though, depending on your local plumbing codes.

How to convert a single sink bathroom to a double sink bathroom?

Find the lowest faucet in the house, and drain the water. Then, remove the old bathroom vanity shut-off valves and dispose of them. Install new double-outlet valves by slotting in the supply pipe to the valve. Make sure you pass the nut and compression washer over the pipe.

What do I need to plumb a bathroom sink?

You will need a 1.5″ trap adapter and a 1.5″ plastic tubing p-trap (sometimes called trim trap). Trim Trap kits come with two different sizes of washers. You’ll use the 1.5″ x 1.25″ slip joint washer to connect the P-Trap to the lav’s 1.25″ waste outlet. See the bathroom sink plumbing diagram below… Keep in mind…

Where does the plumbing pipe connect to the sink?

Both sinks connect at one point, sharing a common true vent to the stack. From the side angle, it becomes easier to imagine what these pipes might look like behind your bathroom or kitchen walls. Notice how the main vent and waste pipe remain separated behind the sink, only connecting via the attached went pipe.

How do you install a double sink Vanity?

Put in the lift lever and the stopper by lining up the lift lever through the hole in the rear of the tailpiece. Now, you can install your new vanity. Secure the vanity to the wall studs. Make sure the top is level, and that all valves are clear of any drawers or other obstacles.

Find the lowest faucet in the house, and drain the water. Then, remove the old bathroom vanity shut-off valves and dispose of them. Install new double-outlet valves by slotting in the supply pipe to the valve. Make sure you pass the nut and compression washer over the pipe.

Both sinks connect at one point, sharing a common true vent to the stack. From the side angle, it becomes easier to imagine what these pipes might look like behind your bathroom or kitchen walls. Notice how the main vent and waste pipe remain separated behind the sink, only connecting via the attached went pipe.

You will need a 1.5″ trap adapter and a 1.5″ plastic tubing p-trap (sometimes called trim trap). Trim Trap kits come with two different sizes of washers. You’ll use the 1.5″ x 1.25″ slip joint washer to connect the P-Trap to the lav’s 1.25″ waste outlet. See the bathroom sink plumbing diagram below… Keep in mind…

Put in the lift lever and the stopper by lining up the lift lever through the hole in the rear of the tailpiece. Now, you can install your new vanity. Secure the vanity to the wall studs. Make sure the top is level, and that all valves are clear of any drawers or other obstacles.