Northfire 42
17
Termination
Fire-stop
Sleeve
7” and 4” flex
vent lengths
(compressed
Cement
Screws
Spring
spacers
4” exhaust vent
with spring spacers
Vent system
assembled
Cut sleeve to fit wall thickness
VENT ASSEMBLY
VENT KIT COMPONENTS (999-DV-TVK3)
INSTALLATION INSTRUCTIONS
Cont...