Sink Outlets | McMaster-Carr

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22 Products

Chemical-Resistant Sink Drains with Collection Trap

Often used in lab sinks, these drains have a removable collection trap that catches sediment and objects. The trap also blocks vapors from returning up through the drain.

Slip-Joint Outlet Connection with PVC Trap

Image of Product. Front orientation. Sink Drains. Chemical-Resistant Sink Drains with Collection Trap, Slip-Joint Outlet Connection with PVC Trap.

Drains with a slip-joint connection include an adapter tube with an unthreaded male outlet for use as an extension to another slip-joint connection. Trap withstands frost, boiling water, and detergents.

		Overall
	Cap., fl. oz.	Dia.	Ht.	For Sink Drain Opening Dia.	Top Dia.	Outlet OD	Material	Color	Trap Color		Each
Sink Drains with Adapter Tube and Plastic Stopper



		8	3 3/8"	10 5/8"	1 7/8" to 3"	3 3/8"	1 1/2"	PVC	White	White	000000	0000000

Pipe Outlet Connection with Polypropylene Trap

Image of Product. Front orientation. Sink Drains. Chemical-Resistant Sink Drains with Collection Trap, Polypropylene Trap, Pipe.

Drains with a polypropylene trap are semi-clear, so you can monitor sediment and debris as it drops in.

Polypropylene—Polypropylene drains resist dissolving if chemicals, such as acids, go down your drain.

		Overall				Outlet
	Cap., gal.	Dia.	Ht.	For Sink Drain Opening Dia.	Top Dia.	Pipe Size	Thread Type	Gender	Material	Color	Trap Clarity	Specs. Met		Each
Sink Drains with Plastic Stopper



		1	7 1/2"	11 3/4"	1 7/8" to 3"	3 3/8"	1 1/2	NPT	Male	Polypropylene	Black	Semi-Clear	ASTM F1412	0000000	0000000


		2	7 1/2"	17"	1 7/8" to 3"	3 3/8"	1 1/2	NPT	Male	Polypropylene	Black	Semi-Clear	ASTM F1412	0000000	000000

Accessories for Sink Drains

Sink Drain Trap Extension Tubing

Straight—Straight sink drain trap extension tubing is often used when connecting your drain to Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste.

			Outlet		Inlet
	Shape	Swivel Type	Pipe Size	Gender	Pipe Size	Thread Type	Gender	Lg.		Each
Polypropylene



		Straight	Swivels Until Tightened	1 1/2	Male	1 1/2	NPT	Female	12"	00000000	000000

Sink Drain Fittings

90° Elbow—Use 90° elbow sink drain fittings when your drain pipe comes in from the floor instead of the wall.

			Outlet			Inlet
	Shape	Swivel Type	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
Polypropylene



		90° Elbow	Swivels Until Tightened	1 1/2	NPT	Male	1 1/2	NPT	Female	00000000	000000

Pipe Outlet Connection with Glass Trap

Drains with a glass trap are clear, so you can monitor sediment and debris as it drops in. They also include a standard-width mason jar that is easy to replace.

Polypropylene—Polypropylene drains resist dissolving if chemicals, such as acids, go down your drain.

		Overall				Outlet
	Cap., fl. oz.	Dia.	Ht.	For Sink Drain Opening Dia.	Top Dia.	Pipe Size	Thread Type	Gender	Material	Color	Trap Color		Each
Sink Drains with Plastic Stopper



		32	6"	12 1/2"	1 7/8" to 3"	3 3/8"	1 1/2	NPT	Male	Polypropylene	Black	Clear	00000000	0000000

Accessories for Sink Drains

Sink Drain Trap Extension Tubing

Straight—Straight sink drain trap extension tubing is often used when connecting your drain to Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste.

			Outlet		Inlet
	Shape	Swivel Type	Pipe Size	Gender	Pipe Size	Thread Type	Gender	Lg.		Each
Polypropylene



		Straight	Swivels Until Tightened	1 1/2	Male	1 1/2	NPT	Female	12"	00000000	000000

Sink Drain Fittings

90° Elbow—Use 90° elbow sink drain fittings when your drain pipe comes in from the floor instead of the wall.

			Outlet			Inlet
	Shape	Swivel Type	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
Polypropylene



		90° Elbow	Swivels Until Tightened	1 1/2	NPT	Male	1 1/2	NPT	Female	00000000	000000

Dual-Connection Sink Drain Outlets

Connect two drains to a single outlet.

Center Outlet


Chrome-Plated Brass	Polypropylene

Polypropylene—Polypropylene outlets stand up to chemicals, so they’re often used for lab sinks.

	Lg.	Includes		Each
White Polypropylene



	1 1/2"	16"	Slip-Joint Nuts and Washers	00000000	00000


	Chrome-Plated Brass



			1 1/2"	15 1/2"	Slip-Joint Nuts and Washers	000000	000000


			1 1/2"	21"	Slip-Joint Nuts and Washers	000000	000000

End Outlet


Chrome-Plated Brass	Polypropylene

Polypropylene—Polypropylene outlets stand up to chemicals, so they’re often used for lab sinks.

	Lg.	Includes		Each
White Polypropylene



	1 1/2"	16"	Slip-Joint Nuts and Washers	00000000	00000


	Chrome-Plated Brass



			1 1/2"	16"	Slip-Joint Nuts and Washers	0000000	00000


			1 1/2"	21"	Slip-Joint Nuts and Washers	0000000	00000

End Outlet with 5" Max. Horizontal Adjustment

Image of Product. Side1 orientation. Contains Annotated. Dual-Connection Sink Drain Outlets. Dual-Connection Sink Drain Outlets, End Outlet with 5" Max. Horizontal Adjustment.

Outlets with a 5" maximum horizontal adjustment have a tube that slides in and out, so you can adjust their length between 12" and 17".

Polypropylene—Polypropylene outlets stand up to chemicals, so they’re often used for lab sinks.

	Lg.	Includes		Each
White Polypropylene



	1 1/2"	12" to 17"	Slip-Joint Nuts and Washers	000000000	00000

Lever-Controlled Sink Drains with Overflow Outlet Pipe

Avoid reaching into your sink—plug and drain your sink by moving a lever beneath the bowl. These drains are often used in food service applications. Use a hacksaw to trim the overflow outlet pipe to size.

			Drain
	For Sink Drain Opening Dia.	Top Dia.	Ht.	Pipe Size	Thread Type	Gender	Strainer Material	Flange Material		Each
Nickel-Plated Brass



		3"	4"	4 1/2"	1 1/2	NPS	Male	Stainless Steel	Stainless Steel	0000000	0000000


		3"	4"	4 1/2"	2	NPS	Male	Stainless Steel	Stainless Steel	0000000	000000
		3 1/2"	4 1/2"	4 1/2"	1 1/2	NPS	Male	Stainless Steel	Stainless Steel	0000000	000000
		3 1/2"	4 1/2"	4 1/2"	2	NPS	Male	Stainless Steel	Stainless Steel	0000000	000000

Sink Drain Traps

Prevent sewer gas from entering your building.

Sink Drain Traps with Outlet Elbow


White Polypropylene P-Trap	Chrome-Plated Brass P-Trap

Polypropylene—Polypropylene traps stand up to chemicals, so they’re often used for lab sinks.

P-Trap—P-traps attach to your wall drain pipe.

				Outlet				P-Trap (Wall Mount)
	OD	Inlet Connection	Outlet Connection	Pipe Size	Thread Type	Gender	Includes		Each
White Polypropylene



		1 1/2"	Slip Joint	Slip Joint	—	—	—	Slip-Joint Nuts and Washers	00000000	000000


		Chrome-Plated Brass



				1 1/4"	Slip Joint	Threaded	1 1/4	NPT	Female	Slip-Joint Nuts and Washers	000000	00000


				1 1/2"	Slip Joint	Threaded	1 1/2	NPT	Female	Slip-Joint Nuts and Washers	000000	00000

Sink Drain Traps with Cleanout Plug and Outlet Elbow

P-Trap—P-traps attach to your wall drain pipe.

				Outlet				P-Trap (Wall Mount)
	OD	Inlet Connection	Outlet Connection	Pipe Size	Thread Type	Gender	Includes		Each
Chrome-Plated Brass



		1 1/2"	Slip Joint	Threaded	1 1/2	NPT	Female	Slip-Joint Nuts and Washers	000000	000000

Chemical-Resistant Sink Drains with Height-Adjusting P-Trap

Commonly used in lab sinks, these polypropylene sink drains resist dissolving if chemicals, such as acids, go down your drain. They have a P-trap to prevent vapors from returning through the drain.

				Outlet
	For Sink Drain Opening Dia.	Top Dia.	Max. Vert. Adjustment	Pipe Size	Thread Type	Gender	Trap Color	Specs. Met		Each
Black Polypropylene



		1 7/8" to 3"	3 3/8"	5 1/2"	1 1/2	NPT	Male	White	ASTM F1412	0000000	0000000

Accessories for Sink Drains

Sink Drain Trap Extension Tubing

Straight—Straight sink drain trap extension tubing is often used when connecting your drain to Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste.

			Outlet		Inlet
	Shape	Swivel Type	Pipe Size	Gender	Pipe Size	Thread Type	Gender	Lg.		Each
Polypropylene



		Straight	Swivels Until Tightened	1 1/2	Male	1 1/2	NPT	Female	12"	00000000	000000

Sink Drain Fittings

90° Elbow—Use 90° elbow sink drain fittings when your drain pipe comes in from the floor instead of the wall.

			Outlet			Inlet
	Shape	Swivel Type	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
Polypropylene



		90° Elbow	Swivels Until Tightened	1 1/2	NPT	Male	1 1/2	NPT	Female	00000000	000000