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 boiler is defined in the standard as a boiler operating at or below the following pressures or temperatures: steam heating boiler - 15 psi (103.42 kPa) steam pressure; hot water heating or supply boiler - 160 psi (1.10 MPa) water pressure, 250F (121C) water temperature.
CSA ANSI Z21.13A-2002/CSA 4.9A-2002 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
CLSI M57-Ed1 (R2022)
$90.00 $180.00
CSA C22.2 NO. 60601-2-24:15 (R2019)
$140.00 $280.00
CSA C22.2 NO. 60335-2-55:15 (R2020)
$50.00 $100.00
CSA 6.16-2015/ANSI Z21.69-2015 (R2020)
$168.00 $336.00