High-Efficiency Commercial Gas Series - Service Manual
Technical Literature Department
13
Ashland City, Tennessee © 2008
Servicing should only be performed by a Qualified Service Agent
DIRECT VENT INSTALLATIONS
The intake air connection on the water heater contains a mesh screen to prevent large particles from
entering the blower.
WHEN THE WATER HEATER IS INSTALLED DIRECT VENT (TWO PIPES),
THE BALANCE PLATE AND MESH SCREEN MUST BE REMOVED BEFORE GLUING PIPE TO
THE CONNECTOR.
Terminations and mesh screens are provided. Both terminations will be used in direct vent
installations. The screens are provided to prevent vermin, birds, or large debris from entering
the intake air and exhaust vent piping and should never be removed.
Vent/Intake Air Terminations
120-250
45° PVC Elbow
Remove the balance plate and mesh
screen before gluing intake air pipe
to the fitting.
