(19)

(11)

EP 1 844 268 A1

(12)

(43) Date of publication: 17.10.2007 Bulletin 2007/42 (21) Application number: 06701717.8 (22) Date of filing: 31.01.2006

(51) International Patent Classification (IPC):  F24J 2/48(2006.01) F16K 31/64(2006.01) F24J 2/04(2006.01) G05D 23/02(2006.01) (86) International application number: PCT/AU2006/000115 (87) International publication number: WO 2006/081608 (10.08.2006 Gazette 2006/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 04.02.2005 AU 2005900451 (71) Applicant: Rheem Australia PTY Limited Rydalmere, NSW 2116 (AU)	(72) Inventors: BOURKE, Brendan Gordon, NSW 2072 (AU) HILL, Raymond Kingsley, W.A. 6026 (AU) (74) Representative: Hammler, Martin Franz et al Phillips & Leigh 5 Pemberton Row London EC4A 3BA London EC4A 3BA (GB)