• ANSI Z223.1 : 2018

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    NATIONAL FUEL GAS CODE

    Available format(s): 

    Superseded date:  17-03-2023

    Language(s): 

    Published date:  12-01-2013

    Publisher:  American Gas Association

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    Table of Contents - (Show below) - (Hide below)

    Chapter 1 - Administration
    Chapter 2 - Referenced Publications
    Chapter 3 - Definitions
    Chapter 4 - General
    Chapter 5 - Gas Piping System Design,
                 Materials, and Components
    Chapter 6 - Pipe Sizing
    Chapter 7 - Gas Piping Installation
    Chapter 8 - Inspection, Testing, and Purging
    Chapter 9 - Appliance, Equipment, and
                 Accessory Installation
    Chapter 10 - Installation of Specific
                 Appliances
    Chapter 11 - Procedures to Be Followed to Place
                 Appliance in Operation
    Chapter 12 - Venting of Appliances
    Chapter 13 - Sizing of Category I Venting
                 Systems
    Annex A - Explanatory Material
    Annex B - Sizing and Capacities of Gas Piping
    Annex C - Suggested Method of Checking for
              Leakage
    Annex D - Suggested Emergency Procedure
              for Gas Leaks
    Annex E - Flow of Gas Through Fixed Orifices
    Annex F - Sizing of Venting Systems Serving
              Appliances Equipped with Draft
              Hoods, Category I Appliances, and
              Appliances Listed for Use with
              Type B Vents
    Annex G - Recommended Procedure for
              Safety Inspection of an Existing
              Appliance Installation
    Annex H - Indoor Combustion Air Calculation
              Examples
    Annex I - Example of Combination of Indoor
              and Outdoor Combustion and
              Ventilation Opening Design
    Annex J - Enforcement
    Annex K - Informational References
    Index

    Abstract - (Show below) - (Hide below)

    Pertains to the installation of fuel gas piping systems, appliances, equipment, and related accessories.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes AGA Z22306. (10/2009) Supersedes ASME B31.2. (09/2011) Also numbered as NFPA 54. (09/2014)
    Document Type Standard
    Publisher American Gas Association
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ANSI Z21.69 : 2015 CONNECTORS FOR MOVEABLE GAS APPLIANCES
    ANSI Z21.1 : 2016 HOUSEHOLD COOKING GAS APPLIANCES
    CSA 6.23 : 2005 : R2015 MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI A10.17 : 2006 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI LC 4:2012 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    ANSI Z21.12 : 1990 : INC : ADD B : 1994 : R2015 DRAFT HOODS
    ANSI LC 4 : 2012 : INC : ADD A : 2013 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    CGA 6.14 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
    CSA 4.6 : 2007 : INC : ADD A : 2010 : R2012 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    ANSI Z21.8:1994 INSTALLATION OF DOMESTIC GAS CONVERSION BURNERS
    ANSI Z21.19-2014/CSA 1.4-2014 REFRIGERATORS USING GAS FUEL
    ANSI Z83.4-2017/CSA 3.7-2017 Non-recirculating direct gas-fired heating and forced ventilation appliances for commercial and industrial application
    ANSI Z21.87 : 2007 : R2012 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    ANSI Z21.63 : 2014 PORTABLE TYPE GAS CAMP HEATERS
    ANSI Z21.86-2016/CSA 2.32-2016 VENTED GAS-FIRED SPACE HEATING APPLIANCES
    CSA C22.2 No. 60730-2-5 : 2014 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-5: PARTICULAR REQUIREMENTS FOR AUTOMATIC ELECTRICAL BURNER CONTROL SYSTEMS
    ANSI Z21.75 : 2016 CONNECTORS FOR OUTDOOR GAS APPLIANCES AND MANUFACTURED HOMES
    ANSI Z83.25-2017 (R2021)/CSA 3.19-2017 Direct gas-fired process air heaters
    ANSI Z21.86-2016/CSA 2.32-2016 Vented gas-fired space heating appliances
    ANSI FC 1 : 2012 STATIONARY FUEL CELL POWER SYSTEMS
    ANSI Z4.4 : 2016 SANITATION - IN FIELDS AND TEMPORARY LABOR CAMPS - MINIMUM REQUIREMENTS
    ANSI Z21.18 : 2007 : INC : ADD B : 2012 : R2017 GAS APPLIANCE PRESSURE REGULATORS
    NFPA 150 : 2016 FIRE AND LIFE SAFETY IN ANIMAL HOUSING FACILITIES
    CSA 6.25 : 2005 : INC : ADD A : 2007 : R2010 CYLINDER CONNECTION DEVICES
    ANSI Z21.66 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
    CSA 2.33 : 2017 VENTED GAS FIREPLACE HEATERS
    ANSI/CSA AMERICA FC 3-2004 (R2017) PORTABLE FUEL CELL POWER SYSTEMS
    CSA FC 3 : 2004 PORTABLE FUEL CELL POWER SYSTEMS
    ASHRAE 90.2 : 2007 ENERGY-EFFICIENT DESIGN OF LOW-RISE RESIDENTIAL BUILDINGS
    ASHRAE 62.1 : 2016 VENTILATION FOR ACCEPTABLE INDOOR AIR QUALITY
    ASHRAE 62.2 : 2016 VENTILATION AND ACCEPTABLE INDOOR AIR QUALITY IN RESIDENTIAL BUILDINGS
    ASTM F 1919 : 2014 : REDLINE Standard Specification for Griddles, Single-Sided and Double-Sided, Gas and Electric
    ANSI O2.1 : 1983 SAWMILLS - SAFETY REQUIREMENTS FOR
    ASTM F 2022 : 2001 : R2013 Standard Test Method for Performance of Booster Heaters
    ANSI Z21.77 : 2005 : R2015 MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS
    CSA 6.32:2012 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    CSA 4.4 : 2015 RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
    ASTM F 2092 : 2014 : REDLINE Standard Specification for Convection Oven Gas or Electric
    ANSI Z21.8-1994 (R2017) Installation of Domestic Gas Conversion Burners
    CSA 6.32 : 2012 : INC : ADD A : 2012 : R2016 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    CSA 6.23 : 2005 MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z83.20 : 2016 GAS-FIRED TUBULAR AND LOW-INTENSITY INFRARED HEATERS
    ANSI Z83.25 : 2017 DIRECT GAS-FIRED PROCESS AIR HEATERS
    ANSI Z21-101 : 2012 GAS HOSE CONNECTORS FOR PORTABLE AND MOVEABLE GAS APPLIANCES
    ANSI Z21.79 : 1997 : INC : ADD A : 2005 : R2012 GAS APPLIANCES SEDIMENT TRAPS
    CSA 8.5 : 2012 : R2017 GAS HOSE CONNECTORS FOR PORTABLE AND MOVEABLE GAS APPLIANCES
    ANSI Z21.71 : 1993 : INC : ADD A : 2005 : R2016 AUTOMATIC INTERMITTENT PILOT IGNITION SYSTEMS FOR FIELD INSTALLATION
    CSA 2.3 : 2016 GAS-FIRED CENTRAL FURNACES
    CSA 1.8 : 2016 GAS FOOD SERVICE EQUIPMENT
    ANSI Z21.80 : 2011 : INC : ADD A : 2012 : R2016 LINE PRESSURE REGULATORS
    ANSI Z21.40.1 : 1996 : R2012 GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES
    CSA 6.10 : 2015 CONNECTORS FOR GAS APPLIANCES
    ANSI Z21.12 : 1990 : INC : ADD B : 2012 : R2000 DRAFT HOODS
    CSA 4.6 : 2007 : INC : ADD A : 2010 : R2016 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    CSA 1.1 : 2016 HOUSEHOLD COOKING GAS APPLIANCES
    ANSI LC 4 : 2012 : INC : ADD A : 2013 : R2017 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    CSA 4.1 : 2017 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    CSA 6.16 : 2015 CONNECTORS FOR MOVEABLE GAS APPLIANCES
    CSA 4.9 : 2017 GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS
    ANSI Z21.10.3-2017/CSA 4.3:2017 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    ANSI Z21.5.1-2017/CSA 7.1-2017 Gas clothes dryers, volume I, type 1 clothes dryers
    ANSI Z21.80 : 2011 : INC : ADD A : 2012 LINE PRESSURE REGULATORS
    ANSI Z21.8 : 1994 : R2012 INSTALLATION OF DOMESTIC GAS CONVERSION BURNERS
    ANSI Z21.20 :2005 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-5: PARTICULAR REQUIREMENTS FOR AUTOMATIC ELECTRICAL BURNER CONTROL SYSTEMS
    ANSI Z21.92 : 2001 : INC : ADD A : 2005 : R2012 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.13 : 2017 GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS
    ANSI Z21.87 : 2007 : INC : ADD A : 2010 : R2012 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    ANSI Z21.92 : 2001 : R2012 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.5.1-2017/CSA 7.1-2017 GAS CLOTHES DRYERS, VOLUME 1, TYPE 1 CLOTHES DRYERS
    ANSI Z21.81 : 2005 : INC : ADD A : 2007 : R2010 CYLINDER CONNECTION DEVICES
    ANSI Z21.15 : 2009 : INC : ADD A : 2009 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ASCE 25 97 : 1999 EARTHQUAKE-ACTUATED AUTOMATIC GAS SHUTOFF DEVICES
    ANSI Z21.97-2017/CSA 2.41-2017 Outdoor decorative gas appliances
    ANSI Z21.11.3-2016 Gas-fired room heaters, volume III, propane-fired portable emergency use heater systems
    ANSI Z21.17 : 1998 : INC : ADD A : 2008 : R2014 DOMESTIC GAS CONVERSION BURNERS
    CSA 2.22 : 2016 VENTED DECORATIVE GAS APPLIANCES
    ANSI Z21.18 : 2007 : INC : ADD B : 2012 GAS APPLIANCE PRESSURE REGULATORS
    ASTM F 1602 : 2012 Standard Specification for Kettles, Steam-Jacketed, 20 to 200 gal (75.7 to 757 L), Floor or Wall Mounted, Direct Steam, Gas and Electric Heated
    ANSI Z21.10.3 : 2015 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    CSA 6.29 : 2001 : INC : ADD B : 2010 : R2016 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.10.1 : 2017 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    CSA 2.6 : 2016 GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES
    ANSI/CSA NGV 5.1-2016 (R2020) Residential fueling appliances
    ANSI Z83.11 : 2016 GAS FOOD SERVICE EQUIPMENT
    NFPA 1 : 2021 FIRE CODE
    ANSI/IAS U.S. LC 2 : 1996 DIRECT GAS-FIRED CIRCULATING HEATERS FOR AGRICULTURAL ANIMAL CONFINEMENT BUILDINGS
    CSA NGV 5.1 : 2016 RESIDENTIAL FUELING APPLIANCES
    CSA 6.27 : 2016 CONNECTORS FOR OUTDOOR GAS APPLIANCES AND MANUFACTURED HOMES
    ANSI/IAS U.S. LC 2 : 1996 : INC : ADD A : 1998 : R2015 DIRECT GAS-FIRED CIRCULATING HEATERS FOR AGRICULTURAL ANIMAL CONFINEMENT BUILDINGS
    ASME B31.1 : 2016 POWER PIPING
    ASME CSD1 : 2012 CONTROLS AND SAFETY DEVICES FOR AUTOMATICALLY FIRED BOILERS
    ASME B31.8 : 2016 Gas Transmission and Distribution Piping Systems
    ASME B31.3:2016 PROCESS PIPING
    ASTM F 1603 : 2017 : REDLINE Standard Specification for Kettles, Steam-Jacketed, 32 oz to 20 gal (1 to 75.7 L), Tilting, Table Mounted, Direct Steam, Gas and Electric Heated
    CSA 6.24 : 2015 GAS CONVENIENCE OUTLETS AND OPTIONAL ENCLOSURES
    ANSI Z21.18 : 2007 : INC : ADD A : 2010 : R2012 GAS APPLIANCE PRESSURE REGULATORS
    CSA 6.9 : 2014 QUICK DISCONNECT DEVICES FOR USE WITH GAS FUEL APPLIANCES
    CSA 6.22 : 2011 : ADD 1 : INC : ADD A : 2012 LINE PRESSURE REGULATORS
    ANSI Z21.18 : 2007 : R2012 GAS APPLIANCE PRESSURE REGULATORS
    CSA 6.32 : 2012 : INC : ADD A : 2013 PRESS-CONNECT METALLIC FITTINGS FOR USE IN FUEL GAS DISTRIBUTION SYSTEMS
    CSA 8.5 : 2012 GAS HOSE CONNECTORS FOR PORTABLE AND MOVEABLE GAS APPLIANCES
    ANSI/ASSE A10.27 : 1998 SAFETY REQUIREMENTS FOR HOT MIX ASPHALT FACILITIES
    CSA 6.3 : 2007 GAS APPLIANCES PRESSURE REGULATORS
    ANSI Z21.79 : 1997 : R2012 GAS APPLIANCES SEDIMENT TRAPS
    CSA 6.8 : 2005 : INC : ADD A : 2010 : R2015 PILOT GAS FILTERS
    CGA 6.21 : 1997 : INC : ADD A : 2005 GAS APPLIANCE SEDIMENT TRAPS
    ANSI Z21-101 : 2012 : R2017 GAS HOSE CONNECTORS FOR PORTABLE AND MOVEABLE GAS APPLIANCES
    ANSI Z21.40.1 : 1996 : INC : ADD A : 1997 : R2017 GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES
    ANSI Z21.54 : 2014 GAS HOSE CONNECTORS FOR PORTABLE OUTDOOR GAS-FIRED APPLIANCES
    CGA 6.21 : 1997 : R2012 GAS APPLIANCE SEDIMENT TRAPS
    ANSI Z21.12 : 1990 : R2000 DRAFT HOODS
    ANSI Z21.87 :2007 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    CSA C22.2 No. 199 : 2007 : INC : ADD A : 2010 : R2012 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA C22.2 No. 199 : 2007 : R2011 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.50 : 2016 VENTED DECORATIVE GAS APPLIANCES
    ANSI Z21.72 : 2016 PORTABLE TYPE GAS CAMP STOVES
    ANSI Z21.76-2016 Gas-fired unvented catalytic room heaters for use with propane gas
    ANSI Z21.92 : 2001 : INC : ADD B : 2010 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.20-2005 (R2016) Automatic Gas Ignition Systems and Components
    ANSI Z21.78 : 2010 : R2015 COMBINATION GAS CONTROLS FOR GAS APPLIANCES
    ANSI Z21.15 : 2009 : INC : ADD B : 2013 : R2014 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ANSI Z21.88 : 2017 VENTED GAS FIREPLACE HEATERS
    ANSI Z21.20 : 2005 : INC : ADD A : 2008 : R2012 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-5: PARTICULAR REQUIREMENTS FOR AUTOMATIC ELECTRICAL BURNER CONTROL SYSTEMS
    ANSI Z83.20-2016/CSA 2.34-2016 Gas-fired tubular and low-intensity infrared heaters
    ANSI Z21.89-2017/CSA 1.18-2017 Outdoor cooking specialty gas appliances
    ANSI Z21.97 : 2017 OUTDOOR DECORATIVE GAS APPLIANCES
    ANSI Z21-10-3 : 2017 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    ANSI Z21.22 : 2015 RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
    ANSI/ASSE A10.17 : 2006 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ASCE 25 06 : 2008 EARTHQUAKE ACTUATED AUTOMATIC GAS SHUTOFF DEVICES
    CSA 6.22 : 2011 : INC : ADD A : 2012 : R2016 LINE PRESSURE REGULATORS
    ANSI Z21.18 : 2007 : INC : ADD A : 2010 GAS APPLIANCE PRESSURE REGULATORS
    ANSI Z21.18 : 2007 GAS APPLIANCE PRESSURE REGULATORS
    NFPA 101 : 2018 LIFE SAFETY CODE
    ANSI Z21.91 : 2017 VENTLESS FIREBOX ENCLOSURES FOR GAS-FIRED UNVENTED DECORATIVE ROOM HEATERS
    CSA 6.25 : 2005 CYLINDER CONNECTION DEVICES
    CSA 6.20 : 2010 : R2015 COMBINATION GAS CONTROLS FOR GAS APPLIANCES
    CSA 11.2 : 2016 PORTABLE TYPE GAS CAMP STOVES
    ASHRAE GUIDELINE 24 : 2015 VENTILATION AND INDOOR AIR QUALITY IN LOW-RISE RESIDENTIAL BUILDINGS
    CSA 6.20 : 2010 COMBINATION GAS CONTROLS FOR GAS APPLIANCES
    ANSI Z21.23:2010 GAS APPLIANCE THERMOSTATS
    CSA/ANSI Z21.10.1:19/CSA 4.1:19 Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
    CSA 9.1 : 2009 : INC : ADD B : 2013 : R2014 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    CSA 6.29 : 2001 : INC : ADD B : 2010 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    CSA 6.29 : 2001 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    CSA 9.1 : 2009 : INC : ADD A : 2012 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ANSI Z83.8 : 2016 GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES
    CSA 9.1 : 2009 : INC : ADD B : 2013 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    CSA 6.29 : 2001 : INC : ADD B : 2010 : R2012 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    CSA/ANSI Z21.72:19/CSA 11.2:19 Portable type gas camp stoves
    ANSI Z21.89 : 2017 OUTDOOR COOKING SPECIALTY GAS APPLIANCES
    ANSI Z21.23 : 2010 : R2015 GAS APPLIANCE THERMOSTATS
    CSA 9.1 : 2009 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ASHRAE HDBK REFRIGERATION : 2014 ASHRAE HANDBOOK - REFRIGERATION
    ASTM F 2786 : 2016 : REDLINE Standard Practice for Field Leak Testing of Polyethylene (PE) Pressure Piping Systems Using Gaseous Testing Media Under Pressure (Pneumatic Leak Testing)
    ANSI/ASSE A10.10 : 2014 SAFETY REQUIREMENTS FOR TEMPORARY AND PORTABLE SPACE HEATING DEVICES
    CSA/ANSI Z21.42:13 (R2018) Gas-fired illuminating appliances
    CSA LC 3 : 2000(R2005) APPLIANCE STANDS AND DRAIN PANS
    CSA 8.4 : 2014 GAS HOSE CONNECTORS FOR PORTABLE OUTDOOR GAS-FIRED APPLIANCES
    ANSI Z21.21 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    CGA 6.23 : M95 ADDENDA B 2004 MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS
    CGA 6.21 : 1997 : INC : ADD B : 2010 : R2016 GAS APPLIANCE SEDIMENT TRAPS
    ANSI/ASSE A10.27 : 1998 : R2011 SAFETY REQUIREMENTS FOR HOT MIX ASPHALT FACILITIES
    ANSI Z21.71:1993 AUTOMATIC INTERMITTENT PILOT IGNITION SYSTEMS FOR FIELD INSTALLATION
    ANSI Z21.77 : 2005 MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.5.2-2016/CSA 7.2:2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    ANSI Z83.18 : 2017 RECIRCULATING DIRECT GAS-FIRED HEATING AND FORCED VENTILATION APPLIANCES FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
    ANSI Z83.4-2017/CSA 3.7-2017 NON-RECIRCULATING DIRECT GAS-FIRED HEATING AND FORCED VENTILATION APPLIANCES FOR COMMERCIAL AND INDUSTRIAL APPLICATION
    ANSI/ASSE A10.17 : 2006 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI Z21.94 : 2006 : INC : ADD A : 2007 : R2016 AUTOMATIC FLAMMABLE VAPOR SENSOR SYSTEMS AND COMPONENTS
    ANSI Z21.40.2 : 1996 : INC : ADD A : 1997 : R2017 GAS-FIRED, WORK ACTIVATED AIR-CONDITIONING AND HEAT PUMP APPLIANCES (INTERNAL COMBUSTION)
    ANSI Z21.19 : 2014 REFRIGERATORS USING GAS FUEL
    ANSI Z21.81 : 2005 CYLINDER CONNECTION DEVICES
    ANSI Z21.15 : 2009 : INC : ADD B : 2013 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ANSI Z21.40.2 : 1996 : INC : ADD A : 1997 : R2012 GAS-FIRED, WORK ACTIVATED AIR-CONDITIONING AND HEAT PUMP APPLIANCES (INTERNAL COMBUSTION)
    ANSI Z21.84-2017 Manually lighted, natural gas, decorative gas appliances for installation in solid-fuel burning appliances
    ANSI Z21.92 : 2001 : INC : ADD B : 2010 : R2016 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.41 : 2014 QUICK DISCONNECT DEVICES FOR USE WITH GAS FUEL APPLIANCES
    ANSI Z21.78 : 2010 COMBINATION GAS CONTROLS FOR GAS APPLIANCES
    ANSI Z21.60-2017/CSA 2.26-2017 DECORATIVE GAS APPLIANCES FOR INSTALLATION IN SOLID-FUEL BURNING FIREPLACES
    ANSI Z21.81 : 2005 : INC : ADD A : 2007 : R2015 CYLINDER CONNECTION DEVICES
    ANSI Z21.15:2009 MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES
    ANSI Z21.94 : 2006 AUTOMATIC FLAMMABLE VAPOR SENSOR SYSTEMS AND COMPONENTS
    ANSI Z21.20 : 2005 : INC : ADD A : 2008 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-5: PARTICULAR REQUIREMENTS FOR AUTOMATIC ELECTRICAL BURNER CONTROL SYSTEMS
    CSA C22.2 No. 199 : 2007 : INC : ADD A : 2010 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA 6.3 : 2007 : INC : ADD A : 2010 GAS APPLIANCES PRESSURE REGULATORS
    ANSI Z21.87 : 2007 : INC : ADD A : 2010 : R2017 AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
    ANSI Z21.92 : 2001 : INC : ADD B : 2010 : R2012 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.60-2017/CSA 2.26-2017 Decorative gas appliances for installation in solid-fuel burning fireplaces
    CSA 6.31 : 2006 : INC : ADD A : 2007 : R2016 AUTOMATIC FLAMMABLE VAPOR SENSOR SYSTEMS AND COMPONENTS
    ANSI A10.17 : 2006 : R2011 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    CSA/ANSI NGV 5.2-2017 Vehicle fueling appliances (VFA)
    ANSI Z83.19-2017/CSA 2.35-2017 GAS-FIRED HIGH-INTENSITY INFRARED HEATERS
    ANSI Z21.73-2017/CSA 11.1-2017 PORTABLE TYPE GAS CAMP LIGHTS
    CSA 6.31 : 2006 : INC : ADD A : 2007 : R2011 AUTOMATIC FLAMMABLE VAPOR SENSOR SYSTEMS AND COMPONENTS
    CSA 6.31 : 2006 AUTOMATIC FLAMMABLE VAPOR SENSOR SYSTEMS AND COMPONENTS
    ANSI Z21.90 : 2015 GAS CONVENIENCE OUTLETS AND OPTIONAL ENCLOSURES
    ANSI/ASSE A10.17 : 2006 : R2011 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI A10.17 : 2006 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI/ASSE A10.10 : 2014 SAFETY REQUIREMENTS FOR TEMPORARY AND PORTABLE SPACE HEATING DEVICES
    ASTM F 1602 : 2012 : R2017 Standard Specification for Kettles, Steam-Jacketed, 20 to 200 gal (75.7 to 757 L), Floor or Wall Mounted, Direct Steam, Gas and Electric Heated
    CSA 6.26 : 2018 FUEL GAS PIPING SYSTEMS USING CORRUGATED STAINLESS STEEL TUBING
    ANSI/CSA-B149.6-15 Code for digester gas, landfill gas, and biogas generation and utilization
    CSA 6.25 : 2005 : INC : ADD A : 2007 : R2015 CYLINDER CONNECTION DEVICES
    AGA XH0201 : 2002 FUNDAMENTALS OF GAS APPLIANCE VENTING & VENTILATION, COMBINED MANUAL & WORKBOOK
    ANSI Z21.12 : 1990 DRAFT HOODS
    MSS SP 133 : 2010 EXCESS FLOW VALVES FOR LOW PRESSURE FUEL GAS APPLIANCES
    AGA XH0205 : 2002 FUNDAMENTALS OF GAS CONTROLS - COMBINED MANUAL & WORKBOOK
    ANSI Z21.58-2018/CSA 1.6-2018 Outdoor cooking gas appliances
    ANSI Z21.5.2 : 2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    CGA 6.8 : M95 ADDENDA B 2000 GAS FILTERS ON APPLIANCES
    ASTM F 2022 : 2001 : R2007 Standard Test Method for Performance of Booster Heaters
    CSA 6.8 : 2005 PILOT GAS FILTERS
    ANSI A10.17 : 2006 : R2011 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI Z21.79 : 1997 : INC : ADD B : 2010 : R2012 GAS APPLIANCES SEDIMENT TRAPS
    ANSI Z21.79 : 1997 : INC : ADD B : 2010 : R2017 GAS APPLIANCES SEDIMENT TRAPS
    ANSI Z21.80:2011 LINE PRESSURE REGULATORS
    CSA 6.3 : 2007 : INC : ADD B : 2012 : R2016 GAS APPLIANCES PRESSURE REGULATORS
    CSA 1.6 : 2018 OUTDOOR COOKING GAS APPLIANCES
    ANSI Z21.71 : 1993 : INC : ADD A : 2005 : R2012 AUTOMATIC INTERMITTENT PILOT IGNITION SYSTEMS FOR FIELD INSTALLATION
    ANSI Z83.19-2017/CSA 2.35-2017 Gas-fired high-intensity infrared heaters
    ANSI/ASSE A10.27 : 1998 : R2005 SAFETY REQUIREMENTS FOR HOT MIX ASPHALT FACILITIES
    CSA C22.2 No. 199 :2007 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA 6.3 : 2007 : INC : ADD A : 2010 : R2012 GAS APPLIANCES PRESSURE REGULATORS
    ANSI Z21.92 :2001 MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS
    ANSI Z21.40.1 : 1996 : INC : ADD A : 1997 : R2012 GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES
    CSA 6.3 : 2007 : INC : ADD B : 2012 GAS APPLIANCES PRESSURE REGULATORS
    ANSI Z21.47 : 2016 GAS-FIRED CENTRAL FURNACES
    ANSI/ASSE A10.17 : 2006 : R2011 SAFE OPERATING PRACTICES FOR HOT MIX ASPHALT (HMA) CONSTRUCTION
    ANSI Z21.73-2017/CSA 11.1-2017 Portable type gas camp lights
    ANSI Z21.40.1 : 1996 GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES
    CSA 11.3 : 2014 PORTABLE TYPE GAS CAMP HEATERS
    CSA 6.22 : 2011 LINE PRESSURE REGULATORS
    ANSI Z21.17 : 1998 DOMESTIC GAS CONVERSION BURNERS
    CSA 6.5 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    ANSI Z21.24 : 2015 CONNECTORS FOR GAS APPLIANCES
    CGA 6.21 : 1997 GAS APPLIANCE SEDIMENT TRAPS
    ANSI LC 1 : 2018 FUEL GAS PIPING SYSTEMS USING CORRUGATED STAINLESS STEEL TUBING
    NFPA 1 : 2018 FIRE CODE

    Standards Referencing This Book - (Show below) - (Hide below)

    CSA 6.16 : 2015 CONNECTORS FOR MOVEABLE GAS APPLIANCES
    CSA NGV1 : 2017 COMPRESSED NATURAL GAS VEHICLE (NGV) FUELING CONNECTION DEVICES
    ANSI Z83.21 : 2016 COMMERCIAL DISHWASHERS
    AWS B2.2/B2.2M : 2010 SPECIFICATION FOR BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION
    ANSI Z83.4-2017/CSA 3.7-2017 Non-recirculating direct gas-fired heating and forced ventilation appliances for commercial and industrial application
    ANSI Z21.84 : 2012 MANUALLY LIGHTED, NATURAL GAS, DECORATIVE GAS APPLIANCES FOR INSTALLATION IN SOLID-FUEL BURNING APPLIANCES
    UL 103:11ED 2010-10 Factory-Built Chimneys for Residential Type and Building Heating Appliances
    ANSI Z21.75 : 2016 CONNECTORS FOR OUTDOOR GAS APPLIANCES AND MANUFACTURED HOMES
    ANSI NGV2 : 2016 COMPRESSED NATURAL GAS VEHICLE FUEL CONTAINERS
    API STD 1104:2013 WELDING OF PIPELINES AND RELATED FACILITIES
    ASTM A 254/A254M : 2012 : REDLINE Standard Specification for Copper-Brazed Steel Tubing
    CSA 6.24 : 2015 GAS CONVENIENCE OUTLETS AND OPTIONAL ENCLOSURES
    ANSI Z21.21 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    ANSI Z21.10.1 : 2014 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    CSA 2.6 : 2016 GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES
    ANSI Z21.58 : 2015 OUTDOOR COOKING GAS APPLIANCES
    CSA C22.2 No. 60730-2-5 : 2014 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2-5: PARTICULAR REQUIREMENTS FOR AUTOMATIC ELECTRICAL BURNER CONTROL SYSTEMS
    CSA 4.9 : 2014 GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS
    ANSI Z21.13 : 2014 GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS
    ANSI NGV1 : 2017 COMPRESSED NATURAL GAS VEHICLE (NGV) FUELING CONNECTION DEVICES
    NFPA 31 : 2016 INSTALLATION OF OIL-BURNING EQUIPMENT
    NFPA 58 : 2017 LIQUEFIED PETROLEUM GAS CODE
    MSS SP 6 : 2017 STANDARD FINISHES FOR CONTACT FACES OF PIPE FLANGES AND CONNECTING-END FLANGES OF VALVES AND FITTINGS
    UL 2561:2ED 2016-01 1400 Degree Fahrenheit Factory-Built Chimneys
    NFPA 96 : 2017 VENTILATION CONTROL AND FIRE PROTECTION OF COMMERCIAL COOKING OPERATIONS
    ANSI Z21.11.2 : 2013 GAS-FIRED ROOM HEATERS, VOLUME II, UNVENTED ROOM HEATERS
    NFPA 30A : 2018 MOTOR FUEL DISPENSING FACILITIES AND REPAIR GARAGES
    NFPA 61 : 2017 PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES
    ANSI Z21.69 : 2015 CONNECTORS FOR MOVEABLE GAS APPLIANCES
    ASME PV CODE 9 : 2017 BOILER AND PRESSURE VESSEL CODE - WELDING, BRAZING, AND FUSING QUALIFICATIONS - QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS
    NFPA 853 : 2010 INSTALLATION OF STATIONARY FUEL CELL POWER SYSTEMS
    NFPA 780 : 2017 INSTALLATION OF LIGHTNING PROTECTION SYSTEMS
    ANSI Z21.22 : 2015 RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
    CSA 6.5 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    CSA 4.7 : 2014 GAS-FIRED POOL HEATERS
    ANSI Z21.40.1 : 1996 GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES
    NFPA 101 : 2018 LIFE SAFETY CODE
    CSA 2.33 : 2016 VENTED GAS FIREPLACE HEATERS
    CSA 4.3 : 2014 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    CSA 6.22 : 2011 LINE PRESSURE REGULATORS
    ANSI FC 1 : 2012 STATIONARY FUEL CELL POWER SYSTEMS
    ANSI NGV3.1 : 2014 FUEL SYSTEM COMPONENTS FOR COMPRESSED NATURAL GAS POWERED VEHICLES
    ASME B16.42 : 2016 DUCTILE IRON PIPE FLANGES AND FLANGED FITTINGS - CLASSES 150 AND 300
    ANSI Z21.5.2 : 2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    ANSI Z83.18 : 2015 RECIRCULATING DIRECT GAS-FIRED HEATING AND FORCED VENTILATION APPLIANCES FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
    NFPA 90A : 2018 INSTALLATION OF AIR-CONDITIONING AND VENTILATING SYSTEMS
    NFPA 501 : 2017 MANUFACTURED HOUSING
    NFPA 5000 : 2018 BUILDING CONSTRUCTION AND SAFETY CODE
    ASME PV CODE 4 : 2017 BPVC Section IV-BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF HEATING BOILERS
    CSA 12.3 : 2014 FUEL SYSTEM COMPONENTS FOR COMPRESSED NATURAL GAS POWERED VEHICLES
    CSA 4.4 : 2015 RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
    UL 378:4ED 2006-10 Standard for Draft Equipment
    NFPA 88A : 2015 PARKING STRUCTURES
    NFPA 90B : 2018 INSTALLATION OF WARM AIR HEATING AND AIR-CONDITIONING SYSTEMS
    ASME B16.20 : 2012 METALLIC GASKETS FOR PIPE FLANGES
    NFPA 501A : 2017 FIRE SAFETY CRITERIA FOR MANUFACTURED HOME INSTALLATIONS, SITES, AND COMMUNITIES
    CSA 7.1 : 2016 GAS CLOTHES DRYERS, VOLUME 1, TYPE 1 CLOTHES DRYERS
    ANSI Z21.90 : 2015 GAS CONVENIENCE OUTLETS AND OPTIONAL ENCLOSURES
    ASHRAE HDBK FUNDAMENTALS : 2013 ASHRAE HANDBOOK - FUNDAMENTALS
    CSA 6.27 : 2016 CONNECTORS FOR OUTDOOR GAS APPLIANCES AND MANUFACTURED HOMES
    ASTM A 254 : 1997 Standard Specification for Copper-Brazed Steel Tubing
    ANSI Z83.20 : 2016 GAS-FIRED TUBULAR AND LOW-INTENSITY INFRARED HEATERS
    ANSI Z21.50 : 2016 VENTED DECORATIVE GAS APPLIANCES
    UL 651:8ED 2011-10 Schedule 40, 80, Type EB and A Rigid PVC Conduit and Fittings
    CSA/ANSI Z21.42:13 (R2018) Gas-fired illuminating appliances
    CSA 2.22 : 2016 VENTED DECORATIVE GAS APPLIANCES
    ANSI Z21.61 : 1983 GAS-FIRED TOILETS
    ANSI Z21.86-2016/CSA 2.32-2016 VENTED GAS-FIRED SPACE HEATING APPLIANCES
    ASME B16.1 : 2015 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
    ASTM D 2385 : 1981 : R1990 Test Method for Hydrogen Sulfide and Mercaptan Sulfur in Natural Gas (Cadmium Sulfate-Iodometric Titration Method) (Withdrawn 1995)
    ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
    CSA 6.10 : 2015 CONNECTORS FOR GAS APPLIANCES
    UL 959:9ED 2010-12 Medium Heat Appliance Factory-Built Chimneys
    NFPA 68 : 2013 EXPLOSION PROTECTION BY DEFLAGRATION VENTING
    ASTM D 2513 : 2017-01 SPECIFICATION FOR POLYETHYLENE (PE) GAS PRESSURE PIPE, TUBING, AND FITTINGS
    ANSI/CSA FC 1:2014 FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY
    ANSI Z21.47 : 2016 GAS-FIRED CENTRAL FURNACES
    NFPA 86 : 2015 OVENS AND FURNACES
    ASTM B 88 : 2016 : REDLINE Standard Specification for Seamless Copper Water Tube
    CSA 4.1 : 2014 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    UL 441:11ED 2016-04 Gas Vents
    AWS B2.1/B2.1M : 2014 SPECIFICATION FOR WELDING PROCEDURE AND PERFORMANCE QUALIFICATION
    NFPA 52 : 2016 VEHICULAR NATURAL GAS FUEL SYSTEMS CODE
    NFPA 1192 : 2018 RECREATIONAL VEHICLES
    ANSI Z21.88 : 2016 VENTED GAS FIREPLACE HEATERS
    NFPA 59 : 2018 UTILITY LP-GAS PLANT CODE
    ASME B36.10M : 2015 WELDED AND SEAMLESS WROUGHT STEEL PIPE
    ANSI Z21.19-2014/CSA 1.4-2014 REFRIGERATORS USING GAS FUEL
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    CSA 6.9 : 2014 QUICK DISCONNECT DEVICES FOR USE WITH GAS FUEL APPLIANCES
    ASTM F 2509 : 2015-12 SPECIFICATION FOR FIELD-ASSEMBLED ANODELESS RISER KITS FOR USE ON OUTSIDE DIAMETER CONTROLLED POLYETHYLENE GAS DISTRIBUTION PIPE AND TUBING
    NFPA 56 : 2017 FIRE AND EXPLOSION PREVENTION DURING CLEANING AND PURGING OF FLAMMABLE GAS PIPING SYSTEMS
    ANSI Z21.93 : 2013 EXCESS FLOW VALVES FOR NATURAL AND PROPANE GAS WITH PRESSURES UP TO 5 PSIG
    NACE SP 01 69 : 2013 CONTROL OF EXTERNAL CORROSION ON UNDERGROUND OR SUBMERGED METALLIC PIPING SYSTEMS
    CSA 2.26 : 2012 DECORATIVE GAS APPLIANCES FOR INSTALLATION IN SOLID-FUEL BURNING FIREPLACES
    NFPA 51 : 2018 DESIGN AND INSTALLATION OF OXYGEN-FUEL GAS SYSTEMS FOR WELDING, CUTTING, AND ALLIED PROCESSES
    CSA 8.4 : 2014 GAS HOSE CONNECTORS FOR PORTABLE OUTDOOR GAS-FIRED APPLIANCES
    NFPA 409 : 2016 AIRCRAFT HANGARS
    ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
    ANSI Z83.4-2017/CSA 3.7-2017 NON-RECIRCULATING DIRECT GAS-FIRED HEATING AND FORCED VENTILATION APPLIANCES FOR COMMERCIAL AND INDUSTRIAL APPLICATION
    ASME B16.21 : 2016 NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
    ANSI Z21.54 : 2014 GAS HOSE CONNECTORS FOR PORTABLE OUTDOOR GAS-FIRED APPLIANCES
    CSA 1.8 : 2016 GAS FOOD SERVICE EQUIPMENT
    ANSI Z21.91 : 2007 VENTLESS FIREBOX ENCLOSURES FOR GAS-FIRED UNVENTED DECORATIVE ROOM HEATERS
    NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
    ANSI Z21.56 : 2014 GAS-FIRED POOL HEATERS
    ANSI Z21.60 : 2012 DECORATIVE GAS APPLIANCES FOR INSTALLATION IN SOLID-FUEL BURNING FIREPLACES
    CSA NGV 5.1 : 2016 RESIDENTIAL FUELING APPLIANCES
    ANSI Z21.41 : 2014 QUICK DISCONNECT DEVICES FOR USE WITH GAS FUEL APPLIANCES
    CFR 49(PTS178-199) : OCT 2017 TRANSPORTATION
    UL 641:8ED 2010-12 Standard for Type L Low-Temperature Venting Systems
    CSA C22.2 No. 168 : 2016 COMMERCIAL DISHWASHERS
    ANSI Z83.20-2016/CSA 2.34-2016 Gas-fired tubular and low-intensity infrared heaters
    CSA 6.26 : 2016 FUEL GAS PIPING SYSTEMS USING CORRUGATED STAINLESS STEEL TUBING
    ASTM B 241/B241M : 2016 : REDLINE Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube
    ANSI Z21.86-2016/CSA 2.32-2016 Vented gas-fired space heating appliances
    ANSI Z83.11 : 2016 GAS FOOD SERVICE EQUIPMENT
    NFPA 82 : 2014 INCINERATORS AND WASTE AND LINEN HANDLING SYSTEMS AND EQUIPMENT
    NFPA 37 : 2018 INSTALLATION AND USE OF STATIONARY COMBUSTION ENGINES AND GAS TURBINES
    ANSI Z21.1 : 2016 HOUSEHOLD COOKING GAS APPLIANCES
    ANSI Z21.19 : 2014 REFRIGERATORS USING GAS FUEL
    CSA 1.6 : 2015 OUTDOOR COOKING GAS APPLIANCES
    SAE J 533 : 2017 FLARES FOR TUBING
    ASME B16.47 : 2017 LARGE DIAMETER STEEL FLANGES: NPS 26 THROUGH NPS 60 METRIC/INCH STANDARD
    NFPA 211 : 2016 CHIMNEYS, FIREPLACES, VENTS, AND SOLID FUEL-BURNING APPLIANCES
    ANSI Z21.5.1 : 2016 GAS CLOTHES DRYERS, VOLUME 1, TYPE 1 CLOTHES DRYERS
    ANSI Z21.24 : 2015 CONNECTORS FOR GAS APPLIANCES
    ANSI Z21.66 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
    CSA 1.1 : 2016 HOUSEHOLD COOKING GAS APPLIANCES
    CSA 2.3 : 2016 GAS-FIRED CENTRAL FURNACES
    ANSI Z21.5.2-2016/CSA 7.2:2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    ANSI LC 1 : 2016 FUEL GAS PIPING SYSTEMS USING CORRUGATED STAINLESS STEEL TUBING
    MSS SP 58 : 2009 PIPE HANGERS AND SUPPORTS - MATERIALS, DESIGN, MANUFACTURE, SELECTION, APPLICATION, AND INSTALLATION
    ANSI Z21.12 : 1990 DRAFT HOODS
    ANSI Z83.8 : 2016 GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES
    CSA 6.30 : 2013 EXCESS FLOW VALVES FOR NATURAL AND PROPANE GAS WITH PRESSURES UP TO 5 PSIG
    ASHRAE HDBK HVAC SYSTEMS & EQUIPMENT : 2012 ASHRAE HANDBOOK - HVAC SYSTEMS AND EQUIPMENT
    CGA 6.14 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
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