Drain Kits | McMaster-Carr

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62 Products

Sink Drains


Style A	Style B	Style C	Style D

Style E	Style F	Style G

Empty liquids from sinks into sewer lines.

Sink Drains with Basket Strainers


Style A	Style B	Style C	Style D	Style E

Styles A, C, and E—Style A, C, and E drains have basket strainers that you can lift out to remove debris.

Style B—Style B drains have basket strainers that you can lift out to remove debris. They install in half the time as others and come with three thumbscrews and a triangular plate.

Style D—Style D drains have basket strainers that you can lift out to remove debris. They have extended threads for use with thick sinks.

	Sink Drains									Replacement Sink Drain Strainers
				Tailpiece
	Style	For Sink Drain Opening Dia.	Top Dia.	For OD	OD	Lg.	Drain Ht.		Each		Each
Stainless Steel



		A	2" to 2 1/2"	2 3/4"	1 1/2"	—	—	1 1/2"	0000000	000000	0000000	00000


		B	3 1/2" to 4"	4 1/2"	1 1/2"	—	—	2 1/4"	0000000	00000	———	0
		C	3 1/2" to 4"	4 3/8"	—	1 1/2"	4"	2 1/2"	0000000	00000	0000000	0000
		D	3 1/2" to 4"	4 1/2"	—	1 1/2"	4"	3 1/2"	0000000	00000	0000000	0000


		Chrome-Plated Brass



				E	3 1/2" to 4"	4 1/2"	1 1/2"	—	—	2 3/8"	0000000	00000	0000000	00000

Sink Drains with Perforated Strainers


Style F	Style G

Styles F and G—Style F and G drains have perforated strainers that snap into the top opening. Strainers can be popped out and replaced with the included stopper.

				Tailpiece
	Style	For Sink Drain Opening Dia.	Top Dia.	For OD	OD	Lg.	Drain Ht.		Each
Stainless Steel



		F	2" to 2 1/2"	2 3/4"	1 1/2"	—	—	1 3/8"	0000000	00000


		F	3 1/2" to 4"	4 3/8"	1 1/2"	—	—	1 7/8"	000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/4"	4"	1 3/8"	0000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/4"	6"	1 3/8"	0000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/4"	8"	1 3/8"	0000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/4"	12"	1 3/8"	0000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/2"	4"	1 3/8"	000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/2"	6"	1 3/8"	000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/2"	8"	1 3/8"	000000	00000
		G	2" to 2 1/2"	2 3/4"	—	1 1/2"	12"	1 3/8"	000000	00000
		G	3 1/2" to 4"	4 1/4"	—	1 1/2"	4"	1 7/8"	000000	00000

Sink Drain Traps

Prevent sewer gas from entering your building.

Sink Drain Traps


White Polypropylene, S-Trap	Chrome-Plated Brass P-Trap	Chrome-Plated Brass, S-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.

S-Trap—S-traps attach to your floor drain pipe.

					P-Trap (Wall Mount)		S-Trap (Floor Mount)
	OD	Inlet Connection	Outlet Connection	Includes		Each		Each
White Polypropylene



		1 1/2"	Slip Joint	Unthreaded	1 1/4" Washer Adapter, Slip-Joint Nuts and Washers	———	0	00000000	00000


		Chrome-Plated Brass



				1 1/4"	Slip Joint	Unthreaded	Slip-Joint Nuts and Washers	0000000	000000	0000000	00000


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

Sink Drain Traps with Reversible J-Bend

Sink drain traps with a reversible J-bend can be flipped, so they can connect to deep sinks or wall pipe that’s too high for standard P-traps.

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.

					P-Trap (Wall Mount)
	OD	Inlet Connection	Outlet Connection	Includes		Each
White Polypropylene



		1 1/2"	Slip Joint	Unthreaded	1 1/4" Washer Adapter, Slip-Joint Nuts and Washers	00000000	00000

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


Chrome-Plated Brass P-Trap	Chrome-Plated Brass, S-Trap

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

S-Trap—S-traps attach to your floor drain pipe.

					P-Trap (Wall Mount)		S-Trap (Floor Mount)
	OD	Inlet Connection	Outlet Connection	Includes		Each		Each
Chrome-Plated Brass



		1 1/4"	Slip Joint	Unthreaded	Slip-Joint Nuts and Washers	0000000	000000	0000000	000000


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

Overflow-Cutoff Sink Drains


Style A	Style B	Style C	Style D

Sink Drains with Rubber Stopper and Pull Chain

Style A

				Tailpiece
	Style	For Sink Drain Opening Dia.	Top Dia.	OD	Lg.		Each
Chrome-Plated Brass



		A	1.25" to 1.375"	2"	1 1/4"	5"	000000	000000


		A	1.25" to 1.375"	2"	1 1/4"	8"	000000	00000
		A	1.25" to 1.375"	2"	1 1/4"	12"	000000	00000

Sink Drains with Strainer


Style B	Style C

Style C—Style C offer additional clearance under the sink.

				Tailpiece
	Style	For Sink Drain Opening Dia.	Top Dia.	OD	Lg.		Each
Chrome-Plated Brass



		B	1 5/8"	2 1/4"	1 1/4"	6"	0000000	000000


		C	1 5/8"	2 1/4"	1 1/4"	8 3/4"	0000000	00000

Sink Drains with Chrome-Plated Brass Stopper, Lever, Rod, and Strap

Style D

Style D—Style D open and close with the included rod, strap, and lever.

	Sink Drains										Replacement Sink Drain Straps
				Tailpiece		Strap
	Style	For Sink Drain Opening Dia.	Top Dia.	OD	Lg.	Lg.	Wd.	Material		Each		Each
Chrome-Plated Brass



		D	1.25" to 1.5"	2 1/8"	1 1/4"	6"	8 3/8"	1/2"	Zinc	0000000	000000	0000000	00000

Chemical-Resistant Sink Drains


Style A	Style B

Dump chemicals down sinks in labs without corroding the plumbing. These sink drains are made of polypropylene, so they won’t degrade when chemicals run through them. The stoppers also stand up to chemicals, but they can’t come in contact with solvents.

Style A—Style A have a thin top designed to fit in stainless steel sinks.

Style B—Style B have a thick top that’s designed to fit in epoxy resin sinks.

	Sink Drains									Replacement Sink Drain Stoppers
				Drain
	Style	For Sink Drain Opening Dia.	Top Dia.	Ht.	Pipe Size	Thread Type	Gender		Each		Each
Black Polypropylene



		A	1 7/8" to 3"	3 3/8"	2 1/4"	2	NPSL	Male	0000000	0000000	———	0


		A	1 7/8" to 3"	3 3/8"	3 3/4"	1 1/2	NPSL	Male	0000000	00000	0000000	00000
		B	1 7/8" to 3"	3 3/8"	3 3/4"	1 1/2	NPSL	Male	0000000	00000	0000000	0000


		White Polypropylene



				A	1 7/8" to 3"	3 3/8"	3 3/4"	1 1/2	NPSL	Male	0000000	00000	0000000	0000


				B	1 7/8" to 3"	3 3/8"	3 3/4"	1 1/2	NPSL	Male	0000000	00000	0000000	0000

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

Adjustable-Neck Sink Drain Traps


1 Inlet, P-Trap—White Polypropylene	1 Inlet P-Trap or S-Trap—White EPDM	2 Inlets P-Trap or S-Trap—White EPDM

Connect sink drains that are offset from wall drain outlets.

1 Inlet—1-inlet drain traps can attach to either a 1 _1/2" or 1 _1/4" tailpiece to fit your sink drain.

EPDM—EPDM rubber traps are flexible, so you can form them into a P-trap or S-trap. They’re soft enough to squeeze with your hands to manually remove clogs. Use scissors to trim these traps to length, then attach them to your drain and wall pipe with the included fittings.

Tee Connector—Drain traps with a tee connector have a dishwasher drain connector. To attach a dishwasher drain hose, knock out the plug in the tee connector.

		Max. Adjustment
	OD	Horizontal	Vertical	Inlet Connection	Outlet Connection	Includes		Each
1 Inlet







				P-Trap—White Polypropylene

				1 1/2"	2 1/2"	3 1/2"	Slip Joint	Slip Joint	1 1/4" Washer Inlet Adapter, Slip-Joint Nuts and Washers	000000	000000




						P-Trap or S-Trap—White EPDM

						1 1/2"	12"	20"	Slip Joint	Slip Joint	1 1/4" Washer Outlet Adapter, Slip-Joint Nuts and Washers, Worm-Drive Clamps	00000000	00000


						2 Inlets







										P-Trap or S-Trap—White EPDM

										1 1/2"	16"	24"	Slip Joint	Slip Joint	Slip-Joint Nuts and Washers, Tee Connector, Worm-Drive Clamps	00000000	00000

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

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

Sink Drain Wall Bends

Also known as waste arms and trap arms, these wall bends connect your sink drain to a waste pipe. To create a complete P-trap, attach them to a J-bend with a slip joint nut and washer (not included).

	Lg.	Inlet Connection	Outlet Connection		Each
Chrome-Plated Brass



	1 1/4"	15"	Slip Joint	Unthreaded	0000000	000000


	1 1/2"	15"	Slip Joint	Unthreaded	0000000	00000