(19)

(11)

EP 1 527 303 A2

(12)

(88) Date of publication A3: 03.06.2004 (43) Date of publication: 04.05.2005 Bulletin 2005/18 (21) Application number: 03784361.2 (22) Date of filing: 25.07.2003

(51) International Patent Classification (IPC)7: F23N 5/12, F23N 1/02 (86) International application number: PCT/IB2003/003321 (87) International publication number: WO 2004/015333 (19.02.2004 Gazette 2004/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 05.08.2002 IT AN20020038 (71) Applicant: MERLONI TERMOSANITARI S.p.A. 60044 Fabriano (Ancona) (IT)	(72) Inventors: VENANZONI, Marcello,Merloni Termosanitari S.p.A. I-60044 Fabriano (IT) MARRA, Lorenzo,Merloni Termosanitari S.p.A. I-60044 Fabriano (IT) DUBIELZIG, Guido 44789 Bochum (DE) (74) Representative: Gentili, Enrico  MAR.BRE S.R.L.,2,Via San Filippo 60044 Fabriano (AN) 60044 Fabriano (AN) (IT)