Heatiator Heatilator I80 CAN-US 4013-203Rev F 04/08, Cat. #, 3 Hearth Extension Dimensions

		CAT. #		A	B	C
		HX3	in	52	16	8
			mm	1321	406	203
		HX4	in	66	20	12
		B	mm	1676	508	305
A	C
Figure 8.3 Hearth Extension Dimensions

12 in.		20 in.
Min.
	12 in.	Min.
	Min.

Figure 8.4 Raised Hearth Extension

12 in.
Min.	12 in.	30 in. min.
	Min.

Figure 8.5 Flush Hearth Extension

Note: Maximum height from floor under fireplace to top of finished hearth extension is 7-5/8 in. (195 mm)

		20 in.
	(508 mm) Min.
Floor	Hearth Extension

Micore	Hearth Strip
	Noncombustible Material

Note: Maximum height from floor under fireplace to top of finished hearth extension is 7-5/8 in.

Floor		30 in. Min.
	Hearth Extension

Micore Noncombustible Material Hearth Strip

Heatilator • I80 CAN-US • 4013-203 Rev F • 04/08 31