Drill Outlet Hole for Heat Unit. Mark
the floor of the truck using the 5 small
holes of the mounting plate. Remove
mounting plate, place a 4 ¼″ hole saw
over the middle of the floor marks, and
drill the outlet hole for the heater,
intake, exhaust and pickup tube. Also
drill a 1/2″ hole approximately 1 to 2″
from mounting plate corner.
NOTE: DO NOT USE PHOENIX
DUCT FOR HEATER VENT
Install Sleeper Heat Vent. Select
location for the vent in the lower left
side of the center support wall closest to
heater. Drill a 2 ½″ hole (A) to allow
distribution of heat into the sleeper.
After hole is drilled, use 5/16″ x 1″ self-
tapping screws to attach heat port then
snap louver into place (B).