[Comment: When a reference is
made within this rule to a federal statutory provision, an industry consensus
standard, or any other technical publication, the specific date and title of
the publication as well as the name and address of the promulgating agency are
listed in rule 4101:2-15-01 of the Administrative Code. The application of the referenced standards shall be limited and as prescribed in section 102.5 of rule 4101:1-1-01 of the Administrative Code.]
SECTION 801
GENERAL
801.1
Scope.
This chapter shall govern the
installation, maintenance, repair and approval of factory-built chimneys,
chimney liners, vents and connectors. This chapter shall govern the utilization
of masonry chimneys. Gas-fired appliances shall be vented in accordance with
the "International Fuel Gas Code."
Exception:
Section 501.8 of the
"International Fuel Gas Code" permits certain gas fired appliances to be
installed without venting. This section should not be construed as permitting
the installation of portable unvented heaters in locations otherwise prohibited
by section 3701.82 of the Revised Code or
rules adopted by the state fire marshal pursuant to
3701.82 of the Revised
Code.
801.2
General.
Every fuel-burning appliance shall discharge the products of
combustion to a vent, factory-built chimney or masonry chimney, except for
appliances vented in accordance with Section 804. The chimney or vent shall be
designed for the type of appliance being vented.
Exception:
Commercial cooking appliances vented by a Type I hood
installed in accordance with Section 507.
801.2.1
Oil-fired appliances.
Oil-fired appliances shall be vented in accordance with this
code and NFPA 31.
801.3
Masonry
chimneys.
Masonry chimneys shall be
constructed in accordance with the building
code.
801.4
Positive flow.
Venting systems shall be designed and constructed so as to
develop a positive flow adequate to convey all combustion products to the
outside atmosphere.
801.5
Design.
Venting systems shall be designed in accordance with this
chapter or shall be approved engineered systems.
801.6
Minimum
size of chimney or vent.
Except as
otherwise provided for in this chapter, the size of the chimney or vent,
serving a single appliance, except engineered systems, shall have a minimum
area equal to the area of the appliance connection.
801.7
Solid
fuel appliance flues.
The cross-sectional
area of a flue serving a solid-fuel-burning appliance shall be not greater than
three times the cross-sectional area of the appliance flue collar or flue
outlet.
801.8
Abandoned inlet openings.
Abandoned inlet openings in chimneys and vents shall be
closed by an approved method.
801.9
Positive
pressure.
Where an appliance equipped with
a forced or induced draft system creates a positive pressure in the venting
system, the venting system shall be designed and listed for positive pressure
applications.
801.10
Connection to fireplace.
Connection of appliances to chimney flues serving fireplaces
shall be in accordance with Sections 801.10.1 through 801.10.3.
801.10.1
Closure and access.
A
noncombustible seal shall be provided below the point of connection to prevent
entry of room air into the flue. Means shall be provided for access to the flue
for inspection and cleaning.
801.10.2
Connection to factory-built fireplace flue.
An appliance shall not be connected to a
flue serving a factory-built fireplace unless the appliance is specifically
listed for such installation. The connection shall be made in accordance with
the appliance manufacturer's installation instructions.
801.10.3
Connection to masonry fireplace flue.
A connector shall extend from the appliance to the flue
serving a masonry fireplace such that the flue gases are exhausted directly
into the flue. The connector shall be provided with access or shall be
removable for inspection and cleaning of both the connector and the flue.
Listed direct connection devices shall be installed in accordance with their
listing.
801.11
Multiple solid fuel prohibited.
A solid fuel-burning appliance or fireplace shall not
connect to a chimney passageway venting another appliance.
801.12
Chimney
entrance.
Connectors shall connect to a
chimney flue at a point not less than 12 inches (305 mm) above the lowest
portion of the interior of the chimney flue.
801.13
Cleanouts.
Masonry
chimney flues shall be provided with a cleanout opening having a minimum height
of 6 inches (152 mm). The upper edge of the opening shall be located not less
than 6 inches (152 mm) below the lowest chimney inlet opening. The cleanout
shall be provided with a tight-fitting, noncombustible cover.
Exception:
Cleanouts shall not be required for chimney flues serving
masonry fireplaces, if such flues are provided with access through the
fireplace opening.
801.14
Connections to exhauster.
Appliance connections to a chimney or vent equipped with a
power exhauster shall be made on the inlet side of the exhauster. Joints and
piping on the positive pressure side of the exhauster shall be listed for
positive pressure applications as specified by the manufacturer's installation
instructions for the exhauster.
801.15
Fuel-fired appliances.
Masonry chimneys utilized to vent fuel-fired appliances
shall be located, constructed and sized as specified in the manufacturer's
installation instructions for the appliances being vented.
801.16
Flue
lining.
Masonry chimneys shall be lined.
The lining material shall be compatible with the type of appliance connected,
in accordance with the appliance listing and manufacturer's installation
instructions. Listed materials used as flue linings shall be installed in
accordance with their listings and the manufacturer's instructions.
801.16.1
Residential and low-heat appliances (general).
Flue lining systems for use with
residential-type and low-heat appliances shall be limited to the
following:
1.
Clay flue lining complying with the requirements of ASTM C
315 or equivalent. Clay flue lining shall be installed in accordance with the
building code.
2.
Listed and labeled
chimney lining systems complying with UL 1777.
3.
Other approved
materials that will resist, without cracking, softening or corrosion, flue
gases and condensate at temperatures up to 1,800°F
(982°C).
801.17
Space
around lining.
The space surrounding a
flue lining system or other vent installed within a masonry chimney shall not
be used to vent any other appliance. This shall not prevent the installation of
a separate flue lining in accordance with the manufacturer's installation
instructions and this code.
801.18
Existing
chimneys and vents.
Where an appliance is
permanently disconnected from an existing chimney or vent, or where an
appliance is connected to an existing chimney or vent during the process of a
new installation, the chimney or vent shall comply with Sections 801.18.1
through 801.18.4.
801.18.1
Size.
The chimney or
vent shall be resized as necessary to control flue gas condensation in the
interior of the chimney or vent and to provide the appliance or appliances
served with the required draft. For the venting of oil-fired appliances to
masonry chimneys, the resizing shall be in accordance with NFPA
31.
801.18.2
Flue passageways.
The
flue gas passageway shall be free of obstructions and combustible deposits and
shall be cleaned if previously used for venting a solid or liquid fuel-burning
appliance or fireplace. The flue liner, chimney inner wall or vent inner wall
shall be continuous and shall be free of cracks, gaps, perforations or other
damage or deterioration which would allow the escape of combustion products,
including gases, moisture and creosote. Where an oil-fired appliance is
connected to an existing masonry chimney, such chimney flue shall be repaired
or relined in accordance with NFPA 31.
801.18.3
Cleanout.
Masonry
chimneys shall be provided with a cleanout opening complying with Section
801.13.
801.18.4
Clearances.
Chimneys
and vents shall have airspace clearance to combustibles in accordance with the
building code and the chimney or vent manufacturer's
installation instructions.
Exception:
Masonry chimneys without the required airspace clearances
shall be permitted to be used if lined or relined with a chimney lining system
listed for use in chimneys with reduced clearances in accordance with UL 1777.
The chimney clearance shall be not less than permitted by the terms of the
chimney liner listing and the manufacturer's instructions.
801.18.4.1
Fireblocking.
Noncombustible fireblocking shall be provided in accordance
with the building code.
801.19
Multistory prohibited.
Common venting systems for appliances located on more than
one floor level shall be prohibited, except where all of the appliances served
by the common vent are located in rooms or spaces that are accessed only from
the outdoors. The appliance enclosures shall not communicate with the
occupiable areas of the building.
801.20
Plastic
vent joints.
Plastic pipe and fittings
used to vent appliances shall be installed in accordance with the appliance
manufacturer's installation instructions.
SECTION 802
VENTS
802.1
General.
Vent systems shall be listed and labeled.
Type L vents and pellet vents shall be tested in accordance with UL
641.
802.2
Vent application.
The
application of vents shall be in accordance with Table 802.2.
TABLE 802.2
VENT
APPLICATION
|
VENT
TYPES
|
APPLIANCE
TYPES
|
|
Type L oil vents
|
Oil-burning appliances listed
and labeled for venting with Type L vents; gas appliances listed and labeled
for venting with Type B vents.
|
|
Pellet vents
|
Pellet fuel-burning appliances
listed and labeled for venting with pellet vents.
|
802.3
Installation.
Vent systems shall be sized, installed and terminated in
accordance with the vent and appliance manufacturer's installation
instructions.
802.4
Vent termination caps required.
Type L vents shall terminate with a listed and labeled cap
in accordance with the vent manufacturer's installation
instructions.
802.5
Type L vent terminations.
Type L vents shall terminate not less than 2 feet (610 mm)
above the highest point of the roof penetration and not less than 2 feet (610
mm) higher than any portion of a building within 10 feet (3048
mm).
802.6
Minimum vent heights.
Vents shall terminate not less than 5 feet (1524 mm) in
vertical height above the highest connected appliance flue collar.
Exceptions:
1.
Venting systems of
direct vent appliances shall be installed in accordance with the appliance and
the vent manufacturer's instructions.
2.
Appliances listed
for outdoor installations incorporating integral venting means shall be
installed in accordance with their listings and the manufacturer's installation
instructions.
3.
Pellet vents shall be installed in accordance with the
appliance and the vent manufacturer's installation
instructions.
802.7
Support
of vents.
All portions of vents shall be
adequately supported for the design and weight of the materials
employed.
802.8
Insulation shield.
Where vents pass through insulated assemblies, an insulation
shield constructed of not less than No. 26 gage sheet metal shall be installed
to provide clearance between the vent and the insulation material. The
clearance shall be not less than the clearance to combustibles specified by the
vent manufacturer's installation instructions. Where vents pass through attic
space, the shield shall terminate not less than 2 inches (51 mm) above the
insulation materials and shall be secured in place to prevent displacement.
Insulation shields provided as part of a listed vent system shall be installed
in accordance with the manufacturer's installation
instructions.
802.9
Door swing.
Appliance and equipment vent terminals shall be located such
that doors cannot swing within 12 inches (305 mm) horizontally of the vent
terminals. Doorstops or closers shall not be installed to obtain this
clearance.
SECTION 803
CONNECTORS
803.1
Connectors required.
Connectors shall be used to connect appliances to the
vertical chimney or vent, except where the chimney or vent is attached directly
to the appliance.
803.2
Location.
Connectors shall be located entirely within the room in
which the connecting appliance is located, except as provided for in Section
803.10.4. Where passing through an unheated space, a connector shall not be
constructed of single-wall pipe.
803.3
Size.
The connector shall not be smaller than
the size of the flue collar supplied by the manufacturer of the appliance.
Where the appliance has more than one flue outlet, and in the absence of the
manufacturer's specific instructions, the connector area shall be not less than
the combined area of the flue outlets for which it acts as a common
connector.
803.4
Branch connections.
Branch connections to the vent connector shall be made in
accordance with the vent manufacturer's instructions.
803.5
Manual
dampers.
Manual dampers shall not be
installed in connectors except in chimney connectors serving solid fuel-burning
appliances.
803.6
Automatic dampers.
Automatic dampers shall be listed and labeled in accordance
with UL 17 for oil-fired heating appliances. The dampers shall be installed in
accordance with the manufacturer's instructions. An automatic vent damper
device shall not be installed on an existing appliance unless the appliance is
listed and labeled and the device is installed in accordance with the terms of
its listing. The name of the installer and date of installation shall be marked
on a label affixed to the damper device.
803.7
Connectors serving two or more appliances.
Where two or more connectors enter a common vent or chimney,
the smaller connector shall enter at the highest level consistent with
available headroom or clearance to combustible material.
803.8
Vent
connector construction.
Vent connectors
shall be constructed of metal. The minimum thickness of the connector shall be
0.0136 inch ( 0.345 mm) (No. 28 gage) for galvanized steel, 0.022 inch ( 0.6
mm) (No. 26 B & S gage) for copper, and 0.020 inch ( 0.5 mm) (No. 24 B
& S gage) for aluminum.
803.9
Chimney
connector construction.
Chimney connectors
for low-heat appliances shall be of sheet steel pipe having resistance to
corrosion and heat not less than that of galvanized steel specified in Table
803.9(1). Connectors for medium-heat appliances and high-heat appliances shall
be of sheet steel not less than the thickness specified in Table
803.9(2).
TABLE
803.9(1)
MINIMUM CHIMNEY
CONNECTOR
THICKNESS FOR LOW-HEAT
APPLIANCES
|
DIAMETER
OF
CONNECTOR
(inches)
|
MINIMUM
NOMINAL
THICKNESS
(galvanized)
(inches)
|
|
5 and smaller
|
0.022 (No. 26
gage)
|
|
Larger than 5 and up to
10
|
0.028 (No. 24
gage)
|
|
Larger than 10 and up to
16
|
0.034 (No. 22
gage)
|
|
Larger than 16
|
0.064 (No. 16
gage)
|
For SI: 1 inch = 25.4 mm.
TABLE
803.9(2)
MINIMUM CHIMNEY CONNECTOR
THICKNESS FOR MEDIUM- AND HIGH-HEAT APPLIANCES
|
AREA
(square
inches)
|
EQUIVALENT ROUND
DIAMETER
(inches)
|
MINIMUM
THICKNESS
(inches)
|
|
0-154
|
0-14
|
0 0575 (No 16
gage)
|
|
155-201
|
15-16
|
0 075 (No 14 gage)
|
|
202-254
|
17-18
|
0 0994 (No 12
gage)
|
|
Greater than 254
|
Greater than 18
|
0 1292 (No 10
gage)
|
For SI: 1 inch = 25.4 mm. 1 square inch
= 645.16 mm2.
803.10
Installation.
Connectors shall be installed in accordance with Sections
803.10.1 through 803.10.6.
803.10.1
Supports and joints.
Connectors shall be supported in an approved manner, and
joints shall be fastened with sheet metal screws, rivets or other approved
means.
803.10.2
Length.
The maximum
horizontal length of a single-wall connector shall be 75 percent of the height
of the chimney or vent.
803.10.3
Connection.
The
connector shall extend to the inner face of the chimney or vent liner, but not
beyond. A connector entering a masonry chimney shall be cemented to masonry in
an approved manner. Where thimbles are installed to facilitate removal of the
connector from the masonry chimney, the thimble shall be permanently cemented
in place with high-temperature cement.
803.10.4
Connector pass-through.
Chimney connectors shall not pass through any floor or
ceiling, nor through a fire-resistance-rated wall assembly. Chimney connectors
for domestic-type appliances shall not pass through walls or partitions
constructed of combustible material to reach a masonry chimney except where one
of the following apply:
1.
The connector is labeled for wall pass-through and is
installed in accordance with the manufacturer's instructions.
2.
The connector is
put through a device labeled for wall pass-through.
3.
The connector has
a diameter not larger than 10 inches (254 mm) and is installed in accordance
with one of the methods in Table 803.10.4. Concealed metal parts of the
pass-through system in contact with flue gases shall be of stainless steel or
equivalent material that resists corrosion, softening or cracking up to
1,800ºF (980ºC).
803.10.5
Pitch.
Connectors shall rise vertically to the
chimney or vent with a minimum pitch equal to one-fourth unit vertical in 12
units horizontal (2-percent slope).
803.10.6
Clearances.
Connectors
shall have a minimum clearance to combustibles in accordance with Table
803.10.6. The clearances specified in Table 803.10.6 apply, except where the
listing and labeling of an appliance specifies a different clearance, in which
case the labeled clearance shall apply. The clearance to combustibles for
connectors shall be reduced only in accordance with Section 308.
TABLE
803.10.4
CHIMNEY CONNECTOR SYSTEMS AND
CLEARANCES
TO COMBUSTIBLE WALL MATERIALS
FOR
DOMESTIC HEATING
APPLIANCESa, b, c,d
|
System
A
(12-inch
clearance)
|
A 3.5 -inch-thick brick wall
shall be framed into the combustible wall. An 0.625 -inch-thick fire-clay liner
(ASTM C 315 or equivalent)e
shall be firmly cemented in the center of the brick wall
maintaining a 12-inch clearance to combustibles. The clay liner shall run from
the outer surface of the bricks to the inner surface of the chimney
liner.
|
|
System
B
(9-inch clearance)
|
A labeled solid-insulated
factory-built chimney section (1-inch insulation) the same inside diameter as
the connector shall be utilized. Sheet steel supports cut to maintain a 9-inch
clearance to combustibles shall be fastened to the wall surface and to the
chimney section. Fasteners shall not penetrate the chimney flue liner. The
chimney length shall be flush with the masonry chimney liner and sealed to the
masonry with water-insoluble refractory cement. Chimney manufacturers' parts
shall be utilized to securely fasten the chimney connector to the chimney
section.
|
|
System
C
(6-inch clearance)
|
A steel ventilated thimble
having a minimum thickness of 0.0236 inch (No. 24 gage) having two 1-inch air
channels shall be installed with a steel chimney connector. Steel supports
shall be cut to maintain a 6inch clearance between the thimble and
combustibles. The chimney connector and steel supports shall have a minimum
thickness of 0.0236 inch (No. 24 gage). One side of the support shall be
fastened to the wall on all sides. Glass-fiber insulation shall fill the 6-inch
space between the thimble and the supports.
|
|
System
D
(2-inch clearance)
|
A labeled solid-insulated
factory-built chimney section (1-inch insulation) with a diameter 2 inches
larger than the chimney connector shall be installed with a steel chimney
connector having a minimum thickness of 0.0236 inch (24 gage). Sheet steel
supports shall be positioned to maintain a 2-inch clearance to combustibles and
to hold the chimney connector to ensure that a 1-inch airspace surrounds the
chimney connector through the chimney section. The steel support shall be
fastened to the wall on all sides and the chimney section shall be fastened to
the supports. Fasteners shall not penetrate the liner of the chimney
section.
|
For SI: 1 inch = 25.4 mm, 1.0 Btu x
in/ft2
· h
·
ºF = 0.144 W/m2
· K.
a.
Insulation
material that is part of the wall pass-through system shall be noncombustible
and shall have a thermal conductivity of 1.0 Btu x
in/ft2
· h
·
ºF or less.
b.
All clearances and thicknesses are
minimums.
c.
Materials utilized to seal penetrations for the
connector shall be noncombustible.
d.
Connectors for all
systems except System B shall extend through the wall pass-through system to
the inner face of the flue liner.
e.
ASTM C 315.
TABLE
803.10.6
CONNECTOR CLEARANCES TO
COMBUSTIBLES
|
TYPE OF
APPLIANCE
|
MINIMUM
CLEARANCE
(inches)
|
|
Domestic-type
appliances
|
|
Chimney and vent
connectors
|
|
|
Electric and oil
incinerators
|
18
|
|
Oil and solid-fuel
appliances
|
18
|
|
Oil appliances labeled for
venting
|
9
|
|
with Type L vents
|
|
Commercial,
industrial-type appliances
|
|
Low-heat
appliances
|
|
|
Chimney connectors
|
|
|
Oil and solid-fuel boilers,
furnace and water heaters
|
18
18
|
|
Oil unit heaters
|
|
Other low-heat industrial
appliances
|
18
|
|
|
|
Medium-heat
appliances
|
|
|
Chimney connectors
|
|
All oil and solid-fuel
appliances
|
36
|
|
High-heat
appliances
|
|
|
Masonry or metal connectors All
oil and solid-fuel appliances
|
(As determined by the code
official)
|
For SI: 1 inch = 25.4 mm.
SECTION 804
DIRECT-VENT, INTEGRAL VENT AND
MECHANICAL DRAFT SYSTEMS
804.1
Direct-vent terminations.
Vent terminals for direct-vent appliances shall be installed
in accordance with the manufacturer's instructions.
804.2
Appliances with integral vents.
Appliances incorporating integral venting means shall be
installed in accordance with their listings and the manufacturer's installation
instructions.
804.2.1
Terminal clearances.
Appliances designed for natural draft venting and
incorporating integral venting means shall be located so that a minimum
clearance of 9 inches (229 mm) is maintained between vent terminals and from
any openings through which combustion products enter the building. Appliances
using forced draft venting shall be located so that a minimum clearance of 12
inches (305 mm) is maintained between vent terminals and from any openings
through which combustion products enter the building.
804.3
Mechanical draft systems.
Mechanical draft systems of either forced or induced draft
design shall be listed and labeled in accordance with UL 378 and shall comply
with Sections 804.3.1 through 804.3.7.
804.3.1
Forced
draft systems.
Forced draft systems and
all portions of induced draft systems under positive pressure during operation
shall be designed and installed so as to be gas tight to prevent leakage of
combustion products into a building.
804.3.2
Automatic shutoff.
Power exhausters serving automatically fired appliances
shall be electrically connected to each appliance to prevent operation of the
appliance when the power exhauster is not in operation.
804.3.3
Termination.
The
termination of chimneys or vents equipped with power exhausters shall be
located not less than 10 feet (3048 mm) from the lot line or from adjacent
buildings. The exhaust shall be directed away from the
building.
804.3.4
Horizontal terminations.
Horizontal terminations shall comply with the following
requirements:
1.
Where located adjacent to walkways, the termination of
mechanical draft systems shall be not less than 7 feet (2134 mm) above the
level of the walkway.
2.
Vents shall terminate at least 3 feet (914 mm) above
any forced air inlet located within 10 feet (3048 mm).
3.
The vent system
shall terminate at least 4 feet (1219 mm) below, 4 feet (1219 mm) horizontally
from or 1 foot (305 mm) above any door, window or gravity air inlet into the
building.
4.
The vent termination point shall not be located closer
than 3 feet (914 mm) to an interior corner formed by two walls perpendicular to
each other.
5.
The vent termination shall not be mounted directly
above or within 3 feet (914 mm) horizontally from an oil tank vent or gas
meter.
6.
The bottom of the vent termination shall be located at
least 12 inches (305 mm) above finished grade.
804.3.5
Vertical terminations.
Vertical terminations shall comply with the following
requirements:
1.
Where located adjacent to walkways, the termination of
mechanical draft systems shall be not less than 7 feet (2134 mm) above the
level of the walkway.
2.
Vents shall terminate not less than 3 feet (914 mm)
above any forced air inlet located within 10 feet (3048 mm)
horizontally.
3.
Where the vent termination is located below an adjacent
roof structure, the termination point shall be located not less than 3 feet
(914 mm) from such structure.
4.
The vent shall
terminate not less than 4 feet (1219 mm) below, 4 feet (1219 mm) horizontally
from or 1 foot (305 mm) above any door, window or gravity air inlet for the
building.
5.
A vent cap shall be installed to prevent rain from
entering the vent system.
6.
The vent termination shall be located not less than 3
feet (914 mm) horizontally from any portion of the roof
structure.
804.3.6
Exhauster connections.
An appliance vented by natural draft shall not be connected
into a vent, chimney or vent connector on the discharge side of a mechanical
flue exhauster.
804.3.7
Exhauster sizing.
Mechanical flue exhausters and the vent system served shall
be sized and installed in accordance with the manufacturer's installation
instructions.
804.3.8
Mechanical draft systems for manually fired
appliances and fireplaces.
A mechanical
draft system shall be permitted to be used with manually fired appliances and
fireplaces where such system complies with all of the following
requirements:
1.
The mechanical draft device shall be listed and labeled
in accordance with UL 378, and shall be installed in accordance with the
manufacturer's instructions.
2.
A device shall be
installed that produces visible and audible warning upon failure of the
mechanical draft device or loss of electrical power, at any time that the
mechanical draft device is turned on. This device shall be equipped with a
battery backup if it receives power from the building wiring.
3.
A smoke detector
shall be installed in the room with the appliance or fireplace. This device
shall be equipped with a battery backup if it receives power from the building
wiring.
SECTION 805
FACTORY-BUILT
CHIMNEYS
805.1
Listing.
Factory-built
chimneys shall be listed and labeled and shall be installed and terminated in
accordance with the manufacturer's installation instructions.
805.2
Solid
fuel appliances.
Factory-built chimneys
installed in dwelling units with solid fuel-burning appliances shall comply
with the Type HT requirements of UL 103 and shall be marked "Type HT" and
"Residential Type and Building Heating Appliance Chimney."
Exception:
Chimneys for use with open combustion chamber fireplaces
shall comply with the requirements of UL 103 and shall be marked "Residential
Type and Building Heating Appliance Chimney." Chimneys for use with open
combustion chamber appliances installed in buildings other than dwelling units
shall comply with the requirements of UL 103 and shall be marked "Building
Heating Appliance Chimney" or "Residential Type and Building Heating Appliance
Chimney."
805.3
Factory-built chimney offsets.
Where a factory-built chimney assembly incorporates offsets,
no part of the chimney shall be at an angle of more than 30 degrees ( 0.52 rad)
from vertical at any point in the assembly and the chimney assembly shall not
include more than four elbows.
805.4
Support.
Where factory-built chimneys are supported
by structural members, such as joists and rafters, such members shall be
designed to support the additional load.
805.5
Medium-heat appliances.
Factory-built chimneys for medium-heat appliances producing
flue gases having a temperature above 1,000ºF (538ºC) measured at the
entrance to the chimney shall comply with UL 959.
805.6
Decorative shrouds.
Decorative shrouds shall not be installed at the termination
of factory-built chimneys except where such shrouds are listed and labeled for
use with the specific factory-built chimney system and are installed in
accordance with Section 304.1.
SECTION 806
METAL
CHIMNEYS
806.1
General.
Metal chimneys
shall be constructed and installed in accordance with NFPA 211.
Replaces: 4101:2-8-01
Notes
Ohio Admin. Code 4101:2-8-01
Effective:
11/1/2017
Five Year Review (FYR) Dates:
11/01/2022
Promulgated
Under: 119.03
Statutory
Authority: 3781.10(A)
Rule Amplifies:
3781.10,
3781.11,
3791.04
Prior
Effective Dates: 3/1/98, 1/1/02, 7/1/07,
11/1/11
