Tjernlund FV1 Crawl Space Vent 8504143 - Manual (Page 4)

COMPANION VENTILATION PRODUCTS
UNDERAIRE TM CRAWL SPACE
VENTILTORS
MODEL V1
One fan and small faceplate for
ventilation openings through brick
foundations. (Requires switch or
dehumidistat to activate. Multiple
ventilators may be controlled by a
single switch or dehumidistat).
Includes thermostat.
MODEL V1D
One fan and large faceplate sized
for ventilation openings through
block foundations. Includes ther-
mostat, dehumidistat and
pre-wired 6’ power cord.
MODEL V2D
Two fans and large faceplate sized
for ventilation openings through
block foundations. Includes ther-
mostat, dehumidistat and pre-
wired 6’ power cord.
Fan powered crawl space ventilation quickly reduces
moisture helping to protect both home and occupants.