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Chapter 17 — REFERENCED STANDARDS

1701.2 Standards,Publications,Practices,and Guides.

California Mechanical Code (Title 24, Part 4) · 2019 edition · updated 2026-09-10 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

The standards, publications, practices andguides listed inTable 1701.2 are not referenced in other sections of this code. The

application of the referenced standards, publications, practices and guides shall be as specified in Section 302.1.2. The promulgating agency acronyms are found at the end of the table.

TABLE 1701.2 STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
DOCUMENT NUMBER
DOCUMENT TITLE
APPLICATION











AHRI 1200-2013

Performance Rating of Commercial Refrigerated Display Merchandisers and
Storage Cabinets

CommercialRefrigerated
Display Merchandisers
and Storage Cabinets
AHRI 1230-2010a
Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split Air-Condi-
tioning and Heat Pump Equipment

Refrigerants
AMCA 500-D-2012

Laboratory Methods of Testing Dampers for Rating
Dampers







ASHRAE 52.2-2012

General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle
Size

Cleaning Devices



ASHRAE 90.1-2016

Energy Standard for Buildings Except Low-Rise Residential Buildings
Energy





ASHRAE 127-2012

Method of Testing for Rating Computer and Data Processing Room Unitary Air
Conditioners

Air Conditioners
ASHRAE/ACCA 183-
2007 (R2014)
Peak Cooling and Heating Load Calculations in Buildings Except Low-
Rise Residential Buildings
Cooling and Heating
Load, Miscellaneous












ASME A112.18.6/CSA
B125.6-2009 (R2014)

Flexible Water Connectors
Piping

~~ASME B1.20.3-1976 (R2013) ~~
Dryseal Pipe Threads (Inch)

Joints

ASME B16.33-2012

Manually Operated Metallic Gas Valves for Use in Gas Piping Systems up to
175 psi (Sizes NPS 1⁄2 through NPS 2)
Valves
ASME B16.50-2013

Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings
Fittings





ASTM A568/A568M-2015

Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and
Cold-Rolled, General Requirements for


Piping
ASTM A653/A653M-2015e1

Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvan-
nealed) by the Hot-Dip Process
Piping, Ferrous

















ASTM C518-2015

Steady-State Thermal Transmission Properties by Means of the Heat Flow
Meter Apparatus

Certification: Calibration,
Error Analysis, Heat Flow
Meter Apparatus, Heat
Flux, Instrument Verifica-
tion, Thermal Conductiv-
ity, Thermal Resistance,
Thermal Testing, Tunnel
Test







~~ASTM D2517-2006 (R2011) ~~

Reinforced Epoxy Resin Gas Pressure Pipe and Fittings
Piping, Plastic








332 2019 CALIFORNIA MECHANICAL CODE

REFERENCED STANDARDS

TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
DOCUMENT NUMBER
DOCUMENT TITLE
APPLICATION
~~ASTM F1476-2007 (R2013) ~~
~~Performance of Gasketed Mechanical Couplings for Use in Piping Applications ~~
Joints
ASTM F2158-2008
(R2016)
Residential Central-Vacuum Tube and Fittings
Central Vacuum, Fittings,
PVC, Tube
AWS B2.4-2012
Welding Procedure and Performance Qualification for Thermoplastics


Joints, Certification

CSA C448-2016

Design and Installation of Ground Source Heat Pump Systems for Commer-
cial and Residential Buildings

Miscellaneous
CSA Z21.1-2016

Household Cooking Gas Appliances
Household Cooking
Appliances, Gas Fired
CSA Z21.5.1-2016
Gas Clothes Dryers- Volume I, Type 1 Clothes Dryers (same as CSA 7.1)

Fuel Gas, Appliances

CSA Z21.5.2-2016

Gas Clothes Dryers-Volume II, Type 2 Clothes Dryers (same as CSA 7.2)

Fuel Gas, Appliances

CSA Z21.11.2-2013

Gas-Fired Room Heaters, Volume II, Unvented Room Heaters

Room Heaters, Unvented
Heaters
CSAZ21.12b-1994 (R2010)
Draft Hoods
Fuel Gas, Appliances

CSAZ21.13-2014

Gas-Fired Low Pressure Steam and Hot Water Boilers (same as CSA 4.9)


Fuel Gas, Appliances
CSAZ21.15b-2013 (R2014)

Manually Operated Gas Valves for Appliances, Appliance Connector Valves
and Hose End Valves (same as CSA 9.1b)

Fuel Gas
CSAZ21.17a-2008

Domestic Gas Conversion Burners (same as CSA 2.7a)
Conversion Burner Instal-
lation, Gas Burners
CSAZ21.18b-2012
(R2012)
Gas Appliance Pressure Regulators (same as CSA 6.3b)

Appliance Regulators,
Gas Refrigerators, Pres-
sure Regulators
CSAZ21.19-2014
Refrigerators Using Gas Fuel (same as CSA 1.4)

Gas Refrigerators, Refrig-
erators
CSAZ21.20a-2008
Automatic Gas Ignition Systems and Components
Automatic Ignition, Gas
Ignition, Ignition
CSAZ21.21-2015
Automatic Valves for Gas Appliances (same as CSA 6.5)

Appliance Valves,Auto-
matic Gas Valves, Valves
CSAZ21.22-2015
Relief Valves for Hot Water Supply Systems (same as CSA 4.4)

Valves
CSA Z21.40.1a-
1997/CGA 2.91a-M97
(R2012)
Gas-Fired, Heat Activated Air-Conditioning and Heat Pump Appliances
Gas Fired Air Condi-
tioning, Gas Fired Heat
Pump
CSA Z21.42-2013
Gas-Fired Illuminating Appliances
IlluminatingAppliances
CSAZ21.47-2012
Gas-Fired Central Furnaces (same as CSA 2.3)
Fuel Gas, Appliances
CSAZ21.50-2014
Vented Gas Fireplaces (same as CSA 2.22)
Appliances, Decorative
Appliances
CSAZ21.56-2014
Gas-Fired Pool Heaters (same as CSA 4.7)
Fuel Gas, Swimming
Pools, Spas, and Hot Tubs
CSAZ21.58-2015
Outdoor Cooking Gas Appliances (same as CSA 1.6)

CookingAppliances
CSAZ21.60-2012
Decorative Gas Appliances for Installation in Solid-Fuel Burning Fireplaces
(same as CSA 2.26)
DecorativeAppliances,
Decorative Fireplace
Appliances



CSAZ21.66-2015

Automatic Damper Devices for Use with Gas-Fired Appliances (same as CSA
6.14)
Vent Dampers, Automatic
Dampers
CSAZ21.71a-2005
(R2007)
Automatic Intermittent Ignition Systems for Field Installation
Automatic Pilot Ignition,
Pilot Ignition








CSA Z83.8-2016

Gas Unit Heaters, Gas Packaged Heaters, Gas Utility Heaters, and Gas-Fired
Duct Furnaces (same as CSA 2.6)

Fuel Gas Appliances
CSA Z83.11-2016
Gas Food Service Equipment (same as CSA 1.8)
Fuel Gas, Appliances

2019 CALIFORNIA MECHANICAL CODE 333

REFERENCED STANDARDS any other purpose or distributed to any other persons or parti es.

TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
DOCUMENT NUMBER
DOCUMENT TITLE
APPLICATION
CSAZ83.19a-2011
Gas-Fired High-Intensity Infrared Heaters (same as CSA 2.35a)
High Intensity Heaters,
Infrared Heaters
CSAZ83.20b-2011
Gas-Fired Low-Intensity Infrared Heaters (same as CSA 2.34b)

Infrared Heaters, Low
Intensity Heaters





e1





IAPMO PS 120-2004

Flashing and Stand Combination for Air Conditioning Units (Residential or
Commercial Unit Curb)

Air Conditioning Flashing
Stand
ISO 13256-1-1998 (R2012)

Water Source Heat Pumps-Testing and Rating for Performance-Water-to-Air and
Brine-to-Air Heat Pumps

Water-Source Heat Pumps
ISO 13256-2-1998

Water Source Heat Pumps-Testing and Rating for Performance-Water-to-Water
and Brine-to-Water Heat Pumps
Water-Source Heat Pumps




















NFPA 30-2015

Flammable and Combustible Liquids Code

Combustible Liquids,
Flammable Liquids
NFPA 91-2015
Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Particulate
Solids

Product Conveying Ducts
NFPA 259-2013
Potential Heat of Building Materials
Testing, Building Mate-
rials
NFPA 274-2013
Test Method to Evaluate Fire Performance Characteristics of Pipe Insulation

Pipe Insulation
NFPA 501A-2017
Fire Safety Criteria for Manufactured Home Installations, Sites, and Commu-
nities
Miscellaneous












~~th ~~

SMACNA-2008

IAQ Guidelines for Occupied Buildings Under Construction, 2nd Edition

Ventilation






UL 33-2010

Heat Responsive Links for Fire-Protection Service (with revisions through
April 14, 2015)

Fusible Links
UL 51-2013

Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-
Gas, and Propylene (with revisions through May 18, 2015)

Ammonia Pumps, LPG
Pumps, Pumps
UL 80-2007

Steel Tanks for Oil-Burner Fuels and Other Combustible Liquids (with revi-
sions through January 16, 2014)


Fuel Gas
UL 125-2014

Flow Control Valves for Anhydrous Ammonia and LP-Gas (with revisions
through February 18, 2015)

Fuel Gas
UL 132-2015

Safety Relief Valves for Anhydrous Ammonia and LP-Gas (with revisions
through February 17, 2016)
Fuel Gas
UL 144-2012

LP-Gas Regulators (with revisions through November 05, 2014)

Fuel Gas
UL 174-2004
Household Electric Storage Tank Water Heaters (with revisions through April
10, 2015)
Appliances
























UL 404-2010

Gauges, Indicating Pressure, for Compressed Gas Service (with revisions
through February 11, 2015)
Fuel Gas





UL 443-2006

Steel Auxiliary Tanks for Oil-Burner Fuel (with revisions through March 8,
2013)
Fuel Gas

334 2019 CALIFORNIA MECHANICAL CODE

REFERENCED STANDARDS

TABLE 1701.2 (continued) STANDARDS, PUBLICATIONS, PRACTICES, AND GUIDES
DOCUMENT NUMBER
DOCUMENT TITLE
APPLICATION






















UL 733-1993

Oil-Fired Air Heaters and Direct-Fired Heaters (with revisions through
October 9, 2013)

Water Heaters, Direct
Fired, Oil Fired






UL 984-1996

Hermetic Refrigerant Motor-Compressors (with revisions through September
23, 2005)
Compressors, Refrigera-
tion





UL 1746-2007

External Corrosion Protection Systems for Steel Underground Storage Tanks
(with revisions through December 19, 2014)
Tanks

2019 CALIFORNIA MECHANICAL CODE 335

REFERENCED STANDARDS any other purpose or distributed to any other persons or parti es.

ABBREVIATIONS IN TABLE1701.1 AND TABLE 1701.2

AABC Associated Air Balance Council, 1518 K Street NW, Suite 503, Washington, DC20005. ACCA Air ConditioningContractorsofAmericaAssociation,Inc.,2800S ShirlingtonRoad,Suite300,Arlington,VA22206. AHRI Air-Conditioning, Heating, and Refrigeration Institute, 2111 Wilson Boulevard, Suite 500, Arlington, VA22201. AMCA Air Movement and Control Association, 30 West University Drive, Arlington Heights, IL 60004-1806. ANSI American National Standards Institute, Inc., 25 W. 43rd Street, 4th Floor, New York, NY 10036. ASCE American Society of Civil Engineers, 1801 Alexander Bell Drive, Reston, VA20191-4400. ASHRAE American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc., 1791 Tullie Circle, NE, Atlanta, GA 30329-2305. ASME American Society of Mechanical Engineering, Two Park Avenue, New York, NY 10016-5990. ASSE American Society of Sanitary Engineering, 18927 Hickory Creek Drive, Suite 220, Mokena, IL 60448. ASTM ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA19428-2959. AWS American Welding Society, 8669 NW 36 Street, #130, Miami, FL33166-6672. AWWA American Water Works Association, 6666 W. Quincy Avenue, Denver, CO 80235. CGA Canadian Gas Association, 243 Consumers Road, Suite 1200, North York, Ontario, Canada M2J 5E3. CSA Canadian Standards Association, 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3.

e1 An editorial change since the last revision or reapproval.

IAPMO International Association of Plumbing and Mechanical Officials, 4755 E. Philadelphia Street, Ontario, CA 91761. IIAR International Institute of Ammonia Refrigeration, 1001 N. Fairfax Street, Suite 503, Alexandria, VA 22314. ISO International Organization for Standardization, 1 ch. de la Voie-Creuse, Casa Postale 56, CH-1211 Geneva 20, Switzerland. MSS Manufacturers Standardization Society of the Valve and Fittings Industry, 127 Park Street NE, Vienna, VA22180. NEBB NEBB, 8575 Grovemont Circle, Gaithersburg, MD 20877. NFPA National Fire Protection Association, 1 Batterymarch Park, Quincy, MA02169-7471. NSF NSF International, 789 N. Dixboro Road, Ann Arbor, MI48105. SAE Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA15096. SMACNA Sheet Metal and Air Conditioning Contractors National Association, 4201 Lafayette Center Drive, Chantilly, VA20151-1219. UL Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062.

336 2019 CALIFORNIA MECHANICAL CODE

APPENDICES

The appendices are intended to supplement the provisions of the installation requirements of this code. The definitions in Chapter 2 are also applicable to the appendices.

TABLE OF CONTENTS

Appendix A Page

Appendix B

Appendix C

Appendix D

Appendix E

Appendix F

Appendix G

2019 CALIFORNIA MECHANICAL CODE 337

any other purpose or distributed to any other persons or parti es.

338 2019 CALIFORNIA MECHANICAL CODE

CALIFORNIA MECHANICAL CODE – MATRIX ADOPTION TABLE

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