Reznor Unit Heater Parts

unit heater
A heating element that is installed in a space to be heated, and uses a fan to direct room air over a heat exchanger that is heated by gas, oil, or other fuel fire, or by electrical resistance. The essential elements of a unit heater are: a fan, motor, heat exchanger, and an enclosure.
A heating unit consisting of a heat transfer element, a housing, a fan with driving motor, and outlet, deflectors or diffusers. It is usually suspended from the ceiling and its heat output is, controlled by starting and stopping the fan by a room thermostat.

parts
Divide to leave a central space
Cause to divide or move apart, leaving a central space
(part) something determined in relation to something that includes it; "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"
the local environment; "he hasn't been seen around these parts in years"
(of two things) Move away from each other
(part) separate: go one's own way; move apart; "The friends separated after the party"