Heater Registers | McMaster-Carr

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83 Products

Air Diverters

Guide air toward your workspace or deflect unwanted drafts with these diverters and covers. They fit over HVAC vents, diffusers, and registers to direct hot and cold air.

Ceiling, Side Diverters

Diverters direct air without restricting flow.

Slide In—Slide-in-mount diverters fit between your diffuser and a drop ceiling grid.

	For Ceiling Tile, ft.
	Wd.	Lg.	Lg.	Wd.	Dp.	Material	Color		Each
Slide In



		2	2	23 3/4"	12"	2 1/2"	Polystyrene	White	3531N11	000000

Ceiling, Corner Diverters

Diverters direct air without restricting flow.

Slide In—Slide-in-mount diverters fit between your diffuser and a drop ceiling grid.

	For Ceiling Tile, ft.
	Wd.	Lg.	Lg.	Wd.	Dp.	Material	Color		Each
Slide In



		2	2	22 1/4"	22 1/4"	2 1/2"	Polystyrene	White	3531N12	000000

Wall Diverters

Diverters direct air without restricting flow.

Magnet Mount—Magnet-mount diverters attach to metal registers on your wall, baseboard, and floor with the included magnets. All have adjustable width to fit a variety of vent sizes. Made of polycarbonate, they’re durable and resist cracking.

Screw Mount—Screw-mount diverters can be mounted to plastic and wood vents with screws (not included).

	Wd.	Dp.	Material	Color	Mounting Fasteners Included	Mounting Slot Wd.		Each
Magnet Mount, Screw Mount



	5 1/2"	11" to 18"	3"	Polycarbonate	Clear	No	1/8"	3531N21	000000

Floor Diverters

Removable Filter

Diverters direct air without restricting flow.

Removable Filter—Diverters with a removable filter trap dust, pollen, and lint.

	Wd.	Dp.	Material	Color	Features		Each
Magnet Mount



	2 3/4"	9" to 14"	3 1/2"	Polycarbonate	Clear	—	4616N11	000000


	2 3/4"	10" to 14"	3 1/2"	Polycarbonate	Clear	Removable Filter	4616N12	00000

Floor, Under Furniture Diverters

Diverters direct air without restricting flow.

Adhesive Mount—Adhesive-mount diverters stick under furniture and have an adjustable length to fit different sizes of furniture. Use the included clips to hold them together when they’re extended.

	Ht.	Wd.	Material	Color		Each
Adhesive Mount



	20" to 35"	1 1/4"	11 1/4"	PVC	Clear	4616N16	000000

Baseboard Diverters

Diverters direct air without restricting flow.

	Wd.	Dp.	Material	Color		Each
Magnet Mount



	4 1/2"	15" to 25"	3 1/4"	Polycarbonate	Clear	4616N13	000000

Floor, Wall Covers

Covers seal metal registers on walls and floors, so air goes to other vents instead. To adhere to registers, they’re magnetic.

	Dp.	Material	Backing Material	Color	Pkg. Qty.		Pkg.
Magnet Mount



	12"	5"	Ferrite Ceramic	PVC	White	3	4616N14	000000


	15"	8"	Ferrite Ceramic	PVC	White	3	4616N15	00000

Return Grilles

Painted Aluminum

Painted Steel

Cover the opening where air is pulled into your HVAC system.

	For Duct			Faceplate
	Ht.	Wd.	Color	Ht.	Wd.	Mounting Location	Mounting Fasteners Included		Each
Painted Aluminum



		6"	6"	White	7 3/4"	7 3/4"	Wall	Yes	1847K11	000000


		8"	8"	White	9 3/4"	9 3/4"	Wall	Yes	1847K13	00000
		10"	10"	White	11 3/4"	11 3/4"	Wall	Yes	1847K16	00000
		12"	12"	White	13 3/4"	13 3/4"	Wall	Yes	1847K19	00000


		Painted Steel



				6"	12"	White	7 3/4"	13 3/4"	Wall	Yes	2009K1	0000


				6"	14"	White	7 3/4"	15 3/4"	Wall	Yes	2009K5	0000
				8"	12"	White	9 3/4"	13 3/4"	Wall	Yes	2009K2	0000
				8"	14"	White	9 3/4"	15 3/4"	Wall	Yes	2009K6	0000
				10"	12"	White	11 3/4"	13 3/4"	Wall	Yes	2009K3	00000
				10"	14"	White	11 3/4"	15 3/4"	Wall	Yes	2009K7	00000
				12"	12"	White	13 3/4"	13 3/4"	Wall	Yes	2009K4	00000
				12"	14"	White	13 3/4"	15 3/4"	Wall	Yes	2009K8	00000
				14"	14"	White	15 3/4"	15 3/4"	Wall	Yes	2009K18	00000
				14"	24"	White	15 3/4"	25 3/4"	Wall	Yes	2009K43	00000
				16"	16"	White	17 3/4"	17 3/4"	Wall	Yes	2009K36	00000


				16"	20"	White	17 3/4"	21 3/4"	Wall	Yes	2009K23	00000
				20"	16"	White	21 3/4"	17 3/4"	Wall	Yes	2009K37	00000
				20"	20"	White	21 3/4"	21 3/4"	Wall	Yes	2009K19	00000
				24"	14"	White	25 3/4"	15 3/4"	Wall	Yes	2009K31	00000
				24"	24"	White	25 3/4"	25 3/4"	Wall	Yes	2009K87	00000
				30"	14"	White	31 3/4"	15 3/4"	Wall	Yes	2009K32	00000

Wall/Ceiling Registers


One-Way Airflow	Three-Way Airflow	Four-Way Airflow	Adjustable Airflow

Surface

Mount

Direct air coming out of HVAC systems. Adjust the damper to control airflow.

Adjustable Airflow—Adjustable airflow registers have fins that can be turned to alter the airflow direction.

	For Opening		Faceplate				White Painted Steel Frame and Blade
	Wd.	Ht.	Wd.	Ht.	Mounting Profile	Mounting Fasteners Included		Each
One-Way Airflow



		8"	4"	9 3/8"	5 3/8"	Surface	Yes	18425K81	000000


		10"	4"	11 3/8"	5 3/8"	Surface	Yes	18425K83	00000
		12"	6"	13 3/8"	7 3/8"	Surface	Yes	18425K87	00000
		14"	6"	15 3/8"	7 3/8"	Surface	Yes	18425K89	00000


		Three-Way Airflow



				10"	4"	11 3/8"	5 3/8"	Surface	Yes	18425K65	00000


				10"	6"	11 3/8"	7 3/8"	Surface	Yes	18425K67	00000
				12"	6"	13 3/8"	7 3/8"	Surface	Yes	18425K69	00000


				Four-Way Airflow



						10"	10"	11 3/8"	11 3/8"	Surface	Yes	18425K57	00000


						12"	12"	13 3/8"	13 3/8"	Surface	Yes	18425K59	00000
						14"	14"	15 3/8"	15 3/8"	Surface	Yes	18425K72	00000
						16"	16"	17 3/8"	17 3/8"	Surface	Yes	18425K74	00000


						Adjustable Airflow



								8"	6"	9 3/4"	7 3/4"	Surface	Yes	18395K62	00000


								10"	6"	11 3/4"	7 3/4"	Surface	Yes	18395K64	00000
								12"	4"	13 3/4"	5 3/4"	Surface	Yes	18395K52	00000
								12"	6"	13 3/4"	7 3/4"	Surface	Yes	18395K66	00000
								12"	8"	13 3/4"	9 3/4"	Surface	Yes	18395K68	00000
								14"	6"	15 3/4"	7 3/4"	Surface	Yes	18395K72	00000
								14"	8"	15 3/4"	9 3/4"	Surface	Yes	18395K74	00000
								16"	4"	17 3/4"	5 3/4"	Surface	Yes	18395K76	00000
								16"	6"	17 3/4"	7 3/4"	Surface	Yes	18395K83	00000
								16"	8"	17 3/4"	9 3/4"	Surface	Yes	18395K78	00000

Filter-Ready Return Grilles for Drop Ceilings


Painted Steel Louvered Diffuser	Painted Steel Perforated Diffuser

Place these grilles in the grid of a drop ceiling to create return airflow to your HVAC system without a duct. Add a filter (not included) for protection against dust and debris.

		For Ceiling Tile, ft.			For Filter
	Diffuser Type	Wd.	Lg.	Color	Trade Size	Thk.	Mounting Location		Each
Painted Steel



		Louvered	2	2	White	20 × 20	1"	Ceiling	2532K7	000000


		Perforated	2	2	White	20 × 20	1"	Ceiling	2532K5	00000

Floor Registers


	Recessed Mount

Direct air coming out of HVAC systems. Adjust the damper to control airflow.

	For Opening		Faceplate			Brown Painted Steel Frame and Blade		White Painted Steel Frame and Blade
	Wd.	Ht.	Wd.	Ht.	Mounting Profile		Each		Each
One-Way Airflow



		10"	2 1/4"	11 3/8"	3 5/8"	Recessed	2004K11	000000	2004K21	000000


		10"	4"	11 3/8"	5 3/8"	Recessed	2004K14	0000	2004K24	0000
		10"	6"	11 3/8"	7 3/8"	Recessed	2004K17	00000	2004K27	00000
		12"	2 1/4"	13 3/8"	3 5/8"	Recessed	2004K12	0000	2004K22	0000
		12"	4"	13 3/8"	5 3/8"	Recessed	2004K15	0000	2004K25	0000
		12"	6"	13 3/8"	7 3/8"	Recessed	2004K18	00000	2004K28	00000
		14"	2 1/4"	15 3/8"	3 5/8"	Recessed	2004K13	00000	2004K23	00000
		14"	4"	15 3/8"	5 3/8"	Recessed	2004K16	00000	2004K26	00000
		14"	6"	15 3/8"	7 3/8"	Recessed	2004K19	00000	2004K29	00000

Filter-Ready Return Grilles

Add a filter (not included) to these grilles for protection against dust and debris entering your HVAC system. Select a filter that matches your duct size.

	For Duct			Faceplate
	Ht.	Wd.	Color	Ht.	Wd.	For Filter Thk.	Mounting Location	Mounting Fasteners Included	Mounting Hole Dia.		Each
Painted Steel



		14"	14"	White	16 13/16"	16 13/16"	1"	Wall	No	1/4"	20105K32	000000


		14"	20"	White	16 13/16"	22 13/16"	1"	Wall	No	1/4"	20105K52	00000
		14"	30"	White	16 13/16"	32 13/16"	1"	Wall	No	1/4"	20105K72	00000
		16"	16"	White	18 13/16"	18 13/16"	1"	Wall	No	1/4"	20105K42	00000
		16"	20"	White	18 13/16"	22 13/16"	1"	Wall	No	1/4"	20105K53	00000
		16"	25"	White	18 13/16"	27 13/16"	1"	Wall	No	1/4"	20105K62	00000
		20"	14"	White	22 13/16"	16 13/16"	1"	Wall	No	1/4"	20105K34	00000
		20"	16"	White	22 13/16"	18 13/16"	1"	Wall	No	1/4"	20105K43	00000
		20"	25"	White	22 13/16"	27 13/16"	1"	Wall	No	1/4"	20105K63	00000
		24"	12"	White	26 13/16"	14 13/16"	1"	Wall	No	1/4"	20105K26	00000
		24"	14"	White	26 13/16"	16 13/16"	1"	Wall	No	1/4"	20105K35	00000


		25"	16"	White	27 13/16"	18 13/16"	1"	Wall	No	1/4"	20105K45	00000