Heater Unit Assembly – Identify
Intake and Exhaust Ports. Look
closely at the two small metal tubes.
One has an arrow pointing out away
from the unit—this is the exhaust. One
has an arrow pointing in towards the
unit—this is the intake.
Heater Unit Assembly – Attach
Exhaust Hose. Take the heavy duty
silver metal hose and place a large,
heavy duty clamp over the end of it.
Place the hose and clamp over the
exhaust tube, push all the way down,
and tighten securely.
Heater Unit Assembly –Attach Intake
Hose. Take the black flex hose and
place a small clamp over the end of it.
Place the hose and clamp over the
intake tube, push all the way down, and
tighten securely.
Heater is now ready to install in the
truck.