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CSA/ANSI Z21.13:22/CSA 4.9:22 PDF Preview
CSA/ANSI Z21.13:22/CSA 4.9:22

Gas-fired low-pressure steam and hot water boilers

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CSA ANSI Z21.17a-2008 (R2024)/CSA 2.7a-2008 (R2024)
Addenda 1 to ANSI Z21.17-1998/CSA 2.7-M98, Domestic Gas Conversion Burners
CSA ANSI Z21.17a-2008 (R2024)/CSA 2.7a-2008 (R2024)

Addenda 1 to ANSI Z21.17-1998/CSA 2.7-M98, Domestic Gas Conversion Burners

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CSA/ANSI Z21.18:19 (R2024)/CSA 6.3:19 (R2024) PDF Preview
CSA/ANSI Z21.18:19 (R2024)/CSA 6.3:19 (R2024)

Gas appliance pressure regulators

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CSA/ANSI Z21.19:19 (R2024)/CSA 1.4:19 (R2024)
Refrigerators using gas fuel
CSA/ANSI Z21.19:19 (R2024)/CSA 1.4:19 (R2024)

Refrigerators using gas fuel

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CSA/ANSI Z21.1:24/CSA 1.1:24 PDF Preview
CSA/ANSI Z21.1:24/CSA 1.1:24

Household cooking gas appliances

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CSA/ANSI Z21.23:22/CSA 6.6:22 PDF Preview
CSA/ANSI Z21.23:22/CSA 6.6:22

Gas appliance thermostats

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CSA ANSI Z21.35a-2010 (R2025)/CSA 6.8a-2010 (R2024)
Addenda 1 to ANSI Z21.35-2005/CSA 6.8-2005, Pilot Gas Filters
CSA ANSI Z21.35a-2010 (R2025)/CSA 6.8a-2010 (R2024)

Addenda 1 to ANSI Z21.35-2005/CSA 6.8-2005, Pilot Gas Filters

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CSA ANSI Z21.40.1a-1997 (R2022)/CGA 2.91a-M97 (R2022)
Addenda 1 to ANSI Z21.40.1-1996/CGA 2.91-M96, Gas-Fired, Heat Activated Air Conditioning and Heat Pump Appliances
CSA ANSI Z21.40.1a-1997 (R2022)/CGA 2.91a-M97 (R2022)

Addenda 1 to ANSI Z21.40.1-1996/CGA 2.91-M96, Gas-Fired, Heat Activated Air Conditioning and Heat Pump Appliances

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CSA ANSI Z21.40.2a-1997 (R2022)/CGA 2.92a-M97 (R2022)
Addenda 1 to ANSI Z21.40.2-1996/CGA 2.92-M96, Gas-Fired, Work Activated Air-Conditioning and Heat Pump Appliances (Internal Combustion)
CSA ANSI Z21.40.2a-1997 (R2022)/CGA 2.92a-M97 (R2022)

Addenda 1 to ANSI Z21.40.2-1996/CGA 2.92-M96, Gas-Fired, Work Activated Air-Conditioning and Heat Pump Appliances (Internal Combustion)

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CSA/ANSI Z21.40.4:23/CSA 2.94:23 PDF Preview
CSA/ANSI Z21.40.4:23/CSA 2.94:23

Performance testing and rating of gas-fired air conditioning and heat pump appliances

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CSA/ANSI Z21.41:23/CSA 6.9:23 PDF Preview
CSA/ANSI Z21.41:23/CSA 6.9:23

Quick-disconnect devices for use with gas fuel appliances

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CSA/ANSI Z21.42:24/CSA 2.15:24 PDF Preview
CSA/ANSI Z21.42:24/CSA 2.15:24

Gas-fired domestic illuminating appliances

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CSA/ANSI Z21.47:26/CSA 2.3:26
Gas-fired central furnaces
CSA/ANSI Z21.47:26/CSA 2.3:26

Gas-fired central furnaces

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CSA ANSI Z21.50:19 (R2024)/CSA 2.22:19 (R2024)
Vented decorative gas appliances
CSA ANSI Z21.50:19 (R2024)/CSA 2.22:19 (R2024)

Vented decorative gas appliances

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CSA/ANSI Z21.5.1:22/CSA 7.1:22 PDF Preview
CSA/ANSI Z21.5.1:22/CSA 7.1:22

Gas clothes dryers, volume I, type 1 clothes dryers

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CSA/ANSI Z21.54:19 (R2024)/CSA 8.4:19 (R2024) PDF Preview
CSA/ANSI Z21.54:19 (R2024)/CSA 8.4:19 (R2024)

Gas hose connectors for portable outdoor gas-fired appliances

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CSA/ANSI Z21.56:19 (R2024)/CSA 4.7:19 (R2024)
Gas-fired pool heaters
CSA/ANSI Z21.56:19 (R2024)/CSA 4.7:19 (R2024)

Gas-fired pool heaters

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CSA ANSI Z21.57a-2012 (R2021)
Addenda 1 to ANSI Z21.57-2010, Recreational Vehicle Cooking Gas Appliances
CSA ANSI Z21.57a-2012 (R2021)

Addenda 1 to ANSI Z21.57-2010, Recreational Vehicle Cooking Gas Appliances

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CSA/ANSI Z21.63:19 (R2024)/CSA 11.3:19 (R2024)
Portable type gas camp heaters
CSA/ANSI Z21.63:19 (R2024)/CSA 11.3:19 (R2024)

Portable type gas camp heaters

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CSA ANSI Z21.69-2015 (R2025)/CSA 6.16-2015 (R2025)
Connectors for moveable gas appliances
CSA ANSI Z21.69-2015 (R2025)/CSA 6.16-2015 (R2025)

Connectors for moveable gas appliances

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CSA ANSI Z21.71a-2005 (R2021)
Addenda 1 to ANSI Z21.71-1993, Automatic Intermittent Pilot Ignition Systems for Field Installation
CSA ANSI Z21.71a-2005 (R2021)

Addenda 1 to ANSI Z21.71-1993, Automatic Intermittent Pilot Ignition Systems for Field Installation

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CSA/ANSI Z21.72:19 (R2024)/CSA 11.2:19 (R2024)
Portable type gas camp stoves
CSA/ANSI Z21.72:19 (R2024)/CSA 11.2:19 (R2024)

Portable type gas camp stoves

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CSA/ANSI Z21.78:25/CSA 6.20:25
Combination gas controls for gas appliances
CSA/ANSI Z21.78:25/CSA 6.20:25

Combination gas controls for gas appliances

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CSA ANSI Z21.79a-2005 (R2021)/CGA 6.21a-2005 (R2021)
Addenda 1 to ANSI Z21.79-1997/CGA 6.21-M97, Gas Appliance Sediment Traps
CSA ANSI Z21.79a-2005 (R2021)/CGA 6.21a-2005 (R2021)

Addenda 1 to ANSI Z21.79-1997/CGA 6.21-M97, Gas Appliance Sediment Traps

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CSA ANSI Z21.79b-2010 (R2021)/CGA 6.21b-2010 (R2021)
Addenda 2 to ANSI Z21.79-1997/CGA 6.21-M97 and ANSI Z21.79a-2005/CGA 6.21a-2005, Gas Appliance Sediment Traps
CSA ANSI Z21.79b-2010 (R2021)/CGA 6.21b-2010 (R2021)

Addenda 2 to ANSI Z21.79-1997/CGA 6.21-M97 and ANSI Z21.79a-2005/CGA 6.21a-2005, Gas Appliance Sediment Traps

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