Hearth and Home Technologies CB4236MIR Clearances, Rough Opening Model Width Height Depth

C. Clearances

WARNING! Risk of Fire! Maintain specified air space clearances to appliance and vent pipe:

•Insulation and other materials must be secured to prevent accidental contact.

•The chase must be properly blocked to prevent blown insulation or other combustibles from entering and making contact with fireplace or chimney.

NOTICE: Install appliance on hard metal or wood surfaces extending full width and depth. DO NOT install directly on carpeting, vinyl, tile or any combustible material other than wood.

•Failure to maintain airspace may cause overheating and a fire.

Note: The appliance must be raised 1 1/4 in. (32 mm) off floor so the Harbor System can be used. Adjust framing and vent locations accordingly.

1/2 in. (13 mm)

1/2 in.

(13 mm)

Drywall

0 in.

Combustible flooring may be installed next to the front of the appliance.

30in. (762 mm) clearance to ceiling

0 (Clearance to

Standoffs)

Note: If the inside of the framed cavity is to be finished, the framing dimensions must include the finished surface. Example: If drywall is to be attached to the rear wall, the depth must be measured from the drywall surface.

Note: All pipe clearance specifications are per vent manufacturer's installation

instructions.Per Vent Manufacturer’s Specifications

B

Combustible Object

36in.

(914 mm)

	C
0 in.	A

		A	B	C
		Rough Opening	Rough Opening	Rough Opening
Model		(Width)	(Height)	(Depth)
CB4236MIR	in.	42	38-3/4	23-1/2
	mm	1067	984	597
CB4842MIR	in.	48	38-3/4	23-1/2
	mm	1219	984	597

Figure 5.2 Clearances to Combustibles

Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08 19