Vertical Terminations - State Water Heaters Tankless On-Demand 705 Series 200 Operation And Installation Manual

Flue Installation for the 705 Model
Horizontal with Concentric Termination

Vertical Terminations

The air intake requires a return bend or two 90º elbows to prevent entry of rain.
The vent termination and air intake must be in the same pressure zone.
3"
MAX
12"
MIN
COMBUSTION
AIR PIPE
SLOPE INTAKE AND EXHAUST
TOWARD OUTSIDE TERMINATION
MINIMUM 1/4" PER FOOT
12" MIN
EXHAUST PIPE
3"
305, 505, 705 Indoor Manual
12" MIN
ANTICIPATED
SNOW LEVEL
12" MIN. ABOVE
GRADE OR
SNOW LEVEL
3"
MAX
3"
MAX
12" MIN
12" MIN
12" MIN
29