Hearth and Home Technologies BV4236DBI Gas Heater User Manual


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Hearth & Home Technologies • BV4236DBI, BV4842DBI • 2209-900 Rev. N • 9/1224
7
VentInformationandDiagrams
B. VentSystemConguration
CAUTION! Risk of Fire! ALL vent conguration speci-
cations MUST be followed. This product is tested and
listed to these specications. Appliance performance will
suffer if specications are not followed.
Rise to Run Ratio = 2:1
Maximum Total Horizontal Run = 30 Feet
Minimum Total Vertical Rise = 12 Feet
Maximum Total Vertical Rise = 60 Feet
Maximum Number of Elbows: Two 90º or Four 45º
Figure7.1
A. VentGuidelines
WARNING! Fire Risk/Asphyxiation! This appliance re-
quires the specied pipe for operation. Incorrect pipe may
cause spillage, condensation and overheating.
Figure7.2
These models require the following size B-vent double
wall, or single wall rigid or ex vent pipe.
METAL
PLUMBERS' STRAP
MAXIMUM HORIZONTAL RUN IS 50%
OF VERTICAL. HORIZONTAL RUN
CANNOT BE MORE THAN 30 FT
.
VENT SUPPORTS
ARE PER VENT
MANUFACTURER'S
SPECIFICATIONS.
METAL
PLUMBER’S
STRAP
12 FEET
MINIMUM
VENT SUPPORTS ARE PER
VENT MANUFACTURER’S
SPECIFICATIONS
MINIMUM CLEARANCES
ARE PER VENT
MANUFACTURER’S
SPECIFICATIONS
• Follow pipe manufacturer’s installation guidelines when
installing the appliance.
WARNING! Fire Risk/Explosion/Asphyxiation! DO
NOT connect this gas appliance to a chimney ue serving
a separate solid-fuel or gas burning appliance.
• Vent this appliance directly outside.
• Use separate vent system for this appliance.
May impair safe operation of this appliance or other appli-
ances connected to the ue.
WARNING! Risk of Fire or Explosion! Insulation and
other combustibles must not infringe on clearances.
• ALWAYS maintain specied clearances around venting
and restop systems.
• Install restops as specied.
Failure to keep insulation or other material away from vent
pipe may cause re.
Figure7.3
45 DEGREES
ELBOW
90 DEGREES
ELBOW
OFFSETS EXCEEDING
45 DEGREES ADAPT
HORIZONTAL LIMITATIONS
MAXIMUM
HORIZONTAL
30 FEET
MINIMUM
VERTICAL
9 FEET
Note: Maximum horizontal
distance is 50% vertical vent
height.
Note:Horizontal runs must have
minimum rise in accordance with
mechanical codes.
Model PipeSize
BV4842DBI 5 inch
BV4236DBI 5 inch
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