38
Heatilator • ECO-ADV-WS22 • 7057-128D • September 15, 2011
Chimney Flue
Liner
Fireclay
Liner or
Equivalent
Masonry Chimney
Constructed to NFPA 211
Wall Spacer
Wall Band
Trim Collar
Chimney
Connector
1 inch (25mm) Air
Space to Chimney
Section
Min. Clearance
2 inch (51mm)
Min. Chimney Clearance to
Wall Spacer and
Combustibles - 2 inch (51mm)
Chimney Section
Figure 38.1
Solid Pack Chimney with Metal Supports
as a Thimble (Cont’d)
WARNING! Risk of Fire!
Do NOT pack insulation or other combustibles between
spacers.
• ALWAYS maintain specifi ed clearanes around
venting and spacers and install spacers as specifi ed.
Failure to keep insulation or other material away from
vent pipe may cause a fi re.