AS 4556:2011
Indirect gas duct air heater
- Standard No.
- AS 4556:2011
- Published By
- Standard Association of Australia （SAA）
- Latest
- AS 4556:2011
- Scope
- 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
- 1970 AS 4556:2011 Indirect gas duct air heater
- 1970 AS 4556:2000(AG 106)/Amdt 2:2002 Indirect gas duct air heater
- 2002 AS 4556/AMD 2:2002 Indirect gas-fired ducted air heaters; Amendment No.2
- 1970 AS 4556:2000(AG 106)/Amdt 1:2001 Indirect gas duct air heater
- 2001 AS 4556/AMD 1:2001 Indirect gas-fired ducted air heaters; Amendment No.1
- 0000 AS 4556:2000(AG 106:2000)
- 2000 AS 4556:2000 Indirect gas-fired ducted air heaters
