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
CSA N288.9-18 (R2023)
$495.00 $990.00
CSA C22.3 NO. 61936-1:18 (R2023)
$350.00 $700.00
CSA B1800-18
$284.00 $569.00
CSA B52:18
$120.00 $240.00