Chapter 1
Introduction to Heater
All the controls for the heater except the
valves for the tanks
When you look inside the base of a CAT-
900 heater you will see the major
components shown below in Illustration 2.
The CAT-700 has very similar components
except it lacks the tank selection and
pressure indicator and the tank clamp is a
different design.
2
Illustration 1: Operating Controls
Illustration 2: CAT-900 Base
