(19)

(11)

EP 4 562 355 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23757742.4 (22) Date of filing: 26.07.2023

(51) International Patent Classification (IPC):  F24H 15/36(2022.01) F24H 15/215(2022.01) F24H 15/238(2022.01) F24H 9/20(2022.01) F24H 15/219(2022.01) (52) Cooperative Patent Classification (CPC): F24H 15/36; F24H 9/2035; F24H 15/215; F24H 15/219; F24H 15/238 (86) International application number: PCT/US2023/028642 (87) International publication number: WO 2024/025919 (01.02.2024 Gazette 2024/05)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 28.07.2022 US 202263393086 P (71) Applicant: Bradford White Corporation Amber, PA 19002 (US)	(72) Inventors: VINCENT, Jonathan Middleville, MI 49333 (US) HILL, Bruce Middleville, MI 49333 (US) VANDERROEST, Chad Middleville, MI 49333 (US) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)