Page 610 - 2018_IRC

FUEL GAS

3. Listed and labeled appliance connectors in compliance 2. Rigid steel pipe connectors shall be permitted
with ANSI Z21.24/CSA 6.10 and installed in accor- to extend through openings in appliance hous-
dance with the manufacturer’s instructions and located ings.
entirely in the same room as the appliance. 3. Fireplace inserts that are factory equipped
4. Listed and labeled quick-disconnect devices used in con- with grommets, sleeves or other means of pro-
junction with listed and labeled appliance connectors. tection in accordance with the listing of the
5. Listed and labeled convenience outlets used in conjunc- appliance.
tion with listed and labeled appliance connectors. 4. Semirigid tubing and listed connectors shall
6. Listed and labeled outdoor appliance connectors in be permitted to extend through an opening in
compliance with ANSI Z21.75/CSA 6.27 and installed an appliance housing, cabinet or casing where
in accordance with the manufacturer’s instructions. the tubing or connector is protected against
damage.
7. Listed outdoor gas hose connectors in compliance with
ANSI Z21.54 used to connect portable outdoor appli- G2422.1.2.4 (411.1.3.4) Shutoff valve. A shutoff valve
ances. The gas hose connection shall be made only in not less than the nominal size of the connector shall be
the outdoor area where the appliance is used, and shall installed ahead of the connector in accordance with
be to the gas piping supply at an appliance shutoff Section G2420.5.
valve, a listed quick-disconnect device or listed gas G2422.1.3 (411.1.5) Connection of gas engine-powered
convenience outlet. air conditioners. Internal combustion engines shall not be
G2422.1.1 (411.1.2) Protection from damage. Connec- rigidly connected to the gas supply piping.
tors and tubing shall be installed so as to be protected G2422.1.4 (411.1.6) Unions. A union fitting shall be pro-
against physical damage. vided for appliances connected by rigid metallic pipe.
Such unions shall be accessible and located within 6 feet
G2422.1.2 (411.1.3) Connector installation. Appliance
fuel connectors shall be installed in accordance with the (1829 mm) of the appliance.
manufacturer’s instructions and Sections G2422.1.2.1 G2422.1.5 (411.1.4) Movable appliances. Where appli-
through G2422.1.2.4. ances are equipped with casters or are otherwise subject to
G2422.1.2.1 (411.1.3.1) Maximum length. Connec- periodic movement or relocation for purposes such as rou-
tors shall have an overall length not to exceed 6 feet tine cleaning and maintenance, such appliances shall be
(1829 mm). Measurement shall be made along the cen- connected to the supply system piping by means of an
terline of the connector. Only one connector shall be appliance connector listed as complying with ANSI
used for each appliance. Z21.69/CSA 6.16 or by means of Item 1 of Section
G2422.1. Such flexible connectors shall be installed and
Exception: Rigid metallic piping used to connect an protected against physical damage in accordance with the
appliance to the piping system shall be permitted to manufacturer’s instructions.
have a total length greater than 6 feet (1829 mm),
provided that the connecting pipe is sized as part of G2422.2 (411.3) Suspended low-intensity infrared tube
the piping system in accordance with Section G2413 heaters. Suspended low-intensity infrared tube heaters shall
and the location of the appliance shutoff valve com- be connected to the building piping system with a connector
plies with Section G2420.5. listed for the application complying with ANSI Z21.24/CGA
6.10. The connector shall be installed as specified by the tube
G2422.1.2.2 (411.1.3.2) Minimum size. Connectors heater manufacturer’s instructions.
shall have the capacity for the total demand of the con-
nected appliance.
G2422.1.2.3 (411.1.3.3) Prohibited locations and SECTION G2423 (413)
penetrations. Connectors shall not be concealed COMPRESSED NATURAL GAS MOTOR
within, or extended through, walls, floors, partitions, VEHICLE FUEL-DISPENSING FACILITIES
ceilings or appliance housings. G2423.1 (413.1) General. Motor fuel-dispensing facilities
Exceptions: for CNG fuel shall be in accordance with Section 413 of the
International Fuel Gas Code.
1. Connectors constructed of materials allowed
for piping systems in accordance with Section
G2414 shall be permitted to pass through SECTION G2424 (415)
walls, floors, partitions and ceilings where PIPING SUPPORT INTERVALS
inst accordan Section
G2420.5.2 or G2420.5.3. G2424.1 (415.1) Interval of support. Piping shall be sup-
ported at intervals not exceeding the spacing specified in
Table G2424.1. Spacing of supports for CSST shall be in
accordance with the CSST manufacturer’s instructions.

2018 INTERNATIONAL RESIDENTIAL CODE ® 585
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