4
VVentSystemInstallation
The ODV boiler is shipped with a complete venting system consisting of the following components:
• FDVS-4 direct vent terminal
• Backing plate
• 15-ft length of insulated 4” FOVP exible oil vent pipe
• 4” x 7” appliance adapter
• (2) Cover rings
• (2) Cover sleeves
• Bagged hardware
• (4) Inner pipe clamps
• 20 ft length 4” exible aluminum air intake pipe
• (2) Hose clamps
• “Red” high temperature RTV silicone sealant
1) LOCATING THE TERMINAL – Observe the following requirements in locating the terminal:
a) Maximum wall thickness through which terminal can be installed is 12”.
b) Wall can be combustible or noncombustible.
c) Bottom of terminal must be at least 12 inches above the normal snowline. If normal snowfall is
negligible, terminal must be at least 12 inches above grade (Fig 2).
d) Bottom of Terminal must be at least 7 feet above a public walkway (Fig 2).
e) Locate edge of terminal at least 4 ft horizontally from doors, windows, or gravity air inlets. Do
not put terminal under windows which can be opened (Fig 2).
f) Terminal must be close enough to boiler to be connected to it using the vent components
supplied.
CAUTION
• Do not use vent system components other than those supplied with the boiler
• Use only the red RTV sealant provided with this boiler anywhere that this manual
calls for the use of “sealant”
• Combustion air must be brought from outside as shown in this manual
• Do not install a “vacuum relief” damper
• Do not attempt to splice vent piping
• Do not put holes in venting
WARNING
• Read the installation instructions carefully and completely before proceeding
with the installation of vent system.
• For continued safe operation, the appliance vent system must be inspected and
maintained annually by a qualied agency.
Failure to properly maintain the appliance vent system combination can lead to
Death, Personal Injury and or Property Damage.
• Plan the vent system layout before installation to avoid the possibility of
accidental contact with concealed wiring or plumbing inside walls.