Specifies requirements for indirect gas-fired ducted air heaters with natural draught or fan-assisted combustion systems intended for use with NG, town gas, LP Gas and tempered liquefied petroleum gas (TLP) with gas consumptions not exceeding 500 MJ/h.
AS 4556-2011 History
AS 4556-2011
$84.00 $168.96
AS 4556-2000 (AG 106)
$99.00 $199.98
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