Cleanout Doors | McMaster-Carr

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53 Products

Quick-Open Access Panels Duct Access Panels


Style A	Style B	Style C

Style D	Style E

It only takes a few seconds to get inside duct that needs regular inspection and cleaning. These panels clamp onto cutouts and have a gasket for a tight seal. Use the included template to make the cutout. Also known as cleanouts.

Galvanized Steel Panel and Frame—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

			For Duct		For Cutout		Window
	Style	For Duct Size	Ht.	Wd.	Ht.	Wd.	Ht.	Wd.	Temp. Range, ° F	Features	Mount Type		Each
For Rectangular Duct







				Galvanized Steel Panel and Frame

				A	—	10"	14"	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	1815K66	000000


				A	—	12"	16"	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	1815K67	00000
				A	—	18"	22"	14"	18"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	1815K68	000000
				B	—	8"	12"	4"	8"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K101	00000
				C	—	16"	20"	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K102	000000
				C	—	22"	28"	18"	24"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	1815K71	000000
				D	—	10"	14"	6"	10"	2 5/8"	4"	-20° F to 200° F	Viewing Window	Clamp On	1815K102	00000
				D	—	16"	20"	12"	16"	8"	8"	-20° F to 200° F	Insulated Backing, Viewing Window	Clamp On	1815K101	000000


				For Round Duct







								Galvanized Steel Panel and Frame

								E	5-6	—	—	4"	8"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K105	00000


								E	6-7	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K1	00000
								E	7-9	—	—	4"	8"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K106	00000
								E	8-9	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K2	00000
								E	10-11	—	—	4"	8"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K107	00000
								E	10-11	—	—	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K109	000000
								E	10-12	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K3	00000
								E	12-14	—	—	4"	8"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K108	00000
								E	12-14	—	—	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K11	000000
								E	13-14	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K4	00000
								E	15-16	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K5	00000


								E	15-16	—	—	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K111	000000
								E	15-16	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K114	000000
								E	17-18	—	—	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K112	000000
								E	17-18	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K115	000000
								E	17-20	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K6	00000
								E	19-20	—	—	8"	12"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K113	000000
								E	19-20	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K116	000000
								E	21-22	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K117	000000
								E	21-24	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K7	00000
								E	23-24	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K118	000000


								E	25-28	—	—	6"	10"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K8	00000
								E	25-28	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K119	000000
								E	29-32	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K12	000000
								E	29-32	—	—	18"	24"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K122	000000
								E	33-36	—	—	12"	16"	—	—	-20° F to 200° F	Insulated Backing	Clamp On	5252K121	000000

Access Panels Duct Access Panels

Create an entry point for cleaning and inspecting duct. These panels cover cutouts and mount with screws. Also known as cleanouts.

Aluminum Panel and Frame—One-third the weight of steel, aluminum components are easier to handle during installation. They also resist rust in wet environments but won’t last as long as steel.

		For Cutout		Mounting
	For Duct Size	Ht.	Wd.	Fasteners Included	Hole Dia.	Mount Type		Each
For Round Duct







				Aluminum Panel and Frame

				4	2 1/2"	3 3/4"	No	5/32"	Screw On	3978K41	000000


				6	3 7/8"	6"	No	5/32"	Screw On	3978K42	00000
				8	4"	6 3/8"	No	5/32"	Screw On	3978K43	00000
				10	4"	6 1/4"	No	5/32"	Screw On	3978K44	00000
				12	4"	6 1/8"	No	5/32"	Screw On	3978K45	00000

High-Temperature Quick-Open Access Panels

With a ceramic fiber gasket and an iron frame, these panels withstand temperatures up to 2300° F. They’re commonly used in grease ducts and other high-temperature systems that need frequent cleaning. Panels clamp onto cutouts and the gasket keeps heat and material sealed inside. Use the included template to make the cutout. Also known as cleanouts.

	For Duct		For Cutout
	Ht.	Wd.	Ht.	Wd.	Temp. Range, ° F	Mount Type		Each
For Rectangular Duct







				Galvanized Steel Panel and Iron Frame

				10"	14"	6"	10"	Not Rated to 2,300° F	Clamp On	1815K103	0000000


				12"	16"	8"	12"	Not Rated to 2,300° F	Clamp On	1815K104	000000

Quick-Disconnect Duct and Fittings

The fastest ductwork to disassemble for dust collection and other frequently cleaned systems. Join sections with quick-release clamps that open and close with a flip of the latch. Since you don’t need screws, welds, or tools, the installation time is half that of other duct types.

Duct with Access Panel

No need to cut a hole and install a door—just slide the built-in panel to get inside this duct for cleaning and inspection.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

			Opening			Galvanized Steel
Duct Size	ID	Lg.	Wd.	Lg.	Ga.		Each



	6	5 7/8"	59 1/4"	7"	14"	22	1761K279	0000000


	7	6 7/8"	59 1/16"	7"	14"	22	1761K281	000000
	8	7 7/8"	59 1/16"	7"	14"	22	1761K282	000000
	9	8 7/8"	58 3/4"	7"	14"	22	1761K283	000000
	10	9 7/8"	58 3/4"	7"	14"	22	1761K284	000000
	12	12"	58 3/4"	7"	14"	22	1761K285	000000
	14	13 15/16"	58 3/4"	7"	14"	20	1761K286	000000
	16	15 15/16"	58 3/4"	7"	14"	20	1761K287	000000
	18	17 15/16"	58 3/4"	7"	14"	20	1761K288	000000
	20	19 15/16"	58 3/4"	7"	14"	20	1761K289	000000
	22	22"	58 3/4"	7"	14"	20	1761K366	000000


	24	23 15/16"	58 3/4"	7"	14"	20	1761K367	000000