Ultra Boiler Manual
Part number 550-100-440/0122
26
Figure 25 APPLICATIONS — Vent termination options (combustion air from room)
DIRECT EXHAUST
Sidewall termination
DIRECT EXHAUST
Vertical termination
Sidewall vent
termination
(See Boiler
manual page 83)
Vertical vent
termination
(See Boiler
manual page 83)
-
Step 1
Install the boiler.
Step 2 Determine the proper location for roof or wall penetration for each termination.
• Prepare roof penetrations before installing vent piping.
• Finish by attaching external pipe and ttings as shown in the termination instructions.
• Vertical terminations only — Install terminations as described in this addendum.
• Support vertical runs on the outside of the building with brackets as shown in the termination
instructions.
Step 3 Install vent piping from boiler to termination.
• Install a hanger support within 6inches of any upturn in the piping.
• Slope horizontal piping downward toward the boiler at least 1/4 inch per foot.
Step 4 Connect the vent piping at the boiler per manual instructions.