Heatiator CB4236IR C. Clearances, Width, Height, Depth, Model, Rough Opening Rough Opening

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.

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

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.

Note: The appliance must be raised 1 1/4 in. (32 mm) off floor so				Note: If the inside of the framed cavity is to be finished,
the Harbor System can be used. Adjust framing and vent locations				the framing dimensions must include the finished surface.
accordingly.				Example: If drywall is to be attached to the rear wall, the
				depth must be measured from the drywall surface.
1/2 in. (13 mm)
		1/2 in.
	(13 mm)		Note: All pipe clearance
			specifications are per vent
		Drywall	manufacturer's installation		Per Vent
			instructions.
					Manufacturer’s
					Specifications

0 in.

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

30 in.

(762 mm) clearance to ceiling

	0 (Clearance to			B
Object	Standoffs)
	(914 mm)			A
	36 in.			C
Combustible	0 in.		(Width)	(Height)	(Depth)
	Model
			A	B	C
			Rough Opening Rough Opening		Rough Opening
	CB4236I	in.	42	38-3/4	23-1/2
		mm	1,067	984	597
	CB4842I	in.	48	38-3/4	23-1/2
		mm	1,219	984	597

Figure 5.2 Clearances to Combustibles

18 Heatilator • Caliber BV Series • 4040-262 • Rev M • 08/09