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AS 1056.4-1990

  • Units in Stock: 1000


AS 1056.4-1990

Storage water heaters Calculations of energy consumption


Specifies equations for the calculation of the annual energy consumption of electric and gas storage water heaters based on a daily energy output of 37.7 MJ (equivalent to 200 L of water raised in temperature by 45 degrees Celsius). Equations for gas water heaters are not specified directly but by reference to AGA Code AG 102. Derivation of equations for electric water heaters is given in an appendix.


Status Superseded
Pages 6
Under Revision
Supersedes DR 88247
Superseded By AS/NZS 1056.4:1997
DocumentFormat PDF(Copy/Paste/Networkable)

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This product was added to our catalog on Tuesday 27 February, 2018.

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