Monessen Hearth BWBC500MHB, BWBC400MHB manual Fireplace Installation, Clearances Continued

FIREPLACE INSTALLATION

CLEARANCES (CONTINUED)

WARNING

• You must use Model SVTR Thimble		Flue
		Outlet
• It is recommended for safety and
		Height
reducing heat loss that firestopping
be used at the ceiling level for chase
installation even if local codes do not
require firestopping.
• Do not insulate chase with blown or fill		10' min. Height
type insulation. Only allow insulation		Round Chimney Cap
to come into contact with fireplace at
		Model SC
points where fireplace would normally
be contacted by framing materials.		Storm
• Combustible materials must not be		Collar
installed below top spacers.
• Non-combustible materials must not	Roof Flashing Model 612
cover warm air outlet and/or cool air
inlet.

Firestop Thimble - Model SVTR (Requires 141/2"x141/2" Opening) Zero Clearance to Combustibles

Chimney (2" min. Air Space)			401/2" - 400 Units
to Combustibles —			461/2" - 500 Units
			Framing
S12	1'	Pipe
			Dimension
S18	18" Pipe
				403/4"
S36	3'	Pipe		Framing
S48	4'	Pipe		Dimension
Top Spacer				Bottom of Fireplace
	Nail Down Strap
				Warm Air Outlet —
Flexible Duct				Do Not Block!
Type FP-6-U				Galvanized Metal Strip
				Glass Door Accessory
	213/4"			Cool Air Inlet — Do not Block!
Front-to-Back			Combustion	Hearth Extension
Framing Dimensions
			Air Assembly

Model AK6A

Figure 12 - Proper Clearances and Chimney Height

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