Hearth and Home Technologies BIR42 owner manual 15-1/4 387 mm

		Inside
		Diameter
		11 in.
		(279 mm)
21 in.		Outside
(533 mm)
		Diameter
		13 in.
		(330 mm)
	SL1130 Offset/Return

Assembled

Diameter: 17 in./432 mm

Height: 24 in./610 mm

AS10 Straight Attic Insulation Shield

13 in.	2 in.
(330 mm)

(51 mm)

JB577 Chimney Joint Band

13 in. (330 mm)

CB576 Chimney Joint Band

A

B17 in. (432 mm)

Catalog #	A		B
FS538	0-deg.	17 in.		432 mm
FS540	30-deg.	26 in.		660 mm

15-1/4 in.

(387 mm)

29 in.	25-1/4 in.
(737 mm)	(641 mm)

RF570 Roof Flashing

15-1/4in.

(387 mm)

39-7/8 in.	28 in.
	(711 mm)
(1013 mm)
RF571 Roof Flashing

52 Heatilator • Birmingham BIR42 • 4059-308 Rev F • 11/08