Horizontal And Vertical Vent-Air Intake Lengths - American Water Heater DIRECT VENT GAS WATER HEATER Installation And Operating Instruction Manual

Venting continued-
The co-axial vent-air intake tubes of this water heater can be installed in any
360° configuration as long as the proper clearances for installation,
plumbing, operation and servicing are maintained. (See Figure 5).
Figure 5
Note: Maintain proper clearances for installation, plumbing, operation
and service.

HORIZONTAL AND VERTICAL VENT-AIR INTAKE LENGTHS

This Direct Vent Gas Water Heater comes one (1) vent-air intake "Kit C".
Optional vent-air intake kits are available that can extend the horizontal
length and/or vertical height of the vent-air intake system. Table A lists the
various vertical and horizontal vent-air intake system configurations.
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