Aluminum Chimney Caps | McMaster-Carr

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9 Products

Gas Chimney Vent Pipe and Fittings

For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.

To join pipes and connectors, insert a male end into a female end and secure with the included locking band.

Rain Caps

				Aluminum
Chimney Pipe Size	OD	Ga.	Certification		Each



	4	4"	28	UL Listed	2117K42	000000


	5	5"	28	UL Listed	2117K43	00000
	6	6"	28	UL Listed	2117K44	00000
	7	7"	28	UL Listed	2117K45	00000
	8	8"	28	UL Listed	2117K46	00000

Chimney Vent Caps

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

							Aluminum
	For Duct Dia.	Ht.	Dia.	Ga.	Fitting Connection	Certification		Each
For Round Duct



		2 7/8" to 4 7/8"	4 1/2"	6 5/8"	22	Press Fit	UL Listed	1803K11	000000


		4 7/8" to 6 7/8"	4 3/4"	9 1/2"	22	Press Fit	UL Listed	1803K13	00000
		6 7/8" to 8 7/8"	5 7/8"	11 5/8"	22	Press Fit	UL Listed	1803K15	000000
		8 7/8" to 10 7/8"	6 1/2"	12 3/4"	22	Press Fit	UL Listed	1803K17	000000