Details test and examination criteria for Category I, Category II, Category III and Category IV low-pressure steam and hot water boilers for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. A low-pressure steam and hot water boiler is defined in the standard as a boiler operating at or below the following pressures or temperatures: steam heating boiler - 15 psi steam pressure; hot water heating or supply boiler - 160 psi water pressure, 250 F water temperature. The standard also covers such boilers equipped with automatic flue damper or vent damper devices.
CSA ANSI Z21.13-2000/CSA 4.9-2000 History
CSA ANSI Z21.13-2017/CSA 4.9-2017
$260.00 $520.00
CSA ANSI Z21.13-2014/CSA 4.9-2014
$303.00 $606.00
CSA ANSI Z21.13-2013/CSA 4.9-2013
$312.00 $624.00
CSA ANSI Z21.13-2010/CSA 4.9-2010
$410.00 $820.00
CSA ANSI Z21.13-2004/CSA 4.9-2004
$478.00 $956.00
CSA ANSI Z21.13A-2002/CSA 4.9A-2002
$66.00 $132.00
CSA ANSI Z21.13-2000/CSA 4.9-2000
$315.00 $630.00
More Standards PDF
CSA Z245.1-02
$92.00 $184.00
CSA ANSI Z21.84-2002
$318.00 $637.00
CSA ANSI Z21.5.1-2002/CSA 7.1-2002
$223.00 $447.00
CSA W178.1-02
$57.00 $115.00