Home » John H. Leavy Mfg. Changes Name John H. Leavy Mfg. Changes Name August 31, 2001 Reprints No Comments John H. Leavy Mfg. Inc. has announced it is changing its name to JHL Supply. Did you enjoy this article? Click here to subscribe to Plumbing & Mechanical. Related Articles John Galyen Named President of Danfoss North America N.H. Yates & Co. Announces Organizational Changes Aligo Names CEO, Acquires H2 Technologies OBITUARY: John R. Lindahl Sr., State Industries Related Products Significant Changes to the International Building Code 2015 Edition Significant Changes to the International Plumbing Code, International Mechanical Code and International Fuel Gas Code, 2015 Edition Hydronics Know How II CD Classic Hydronics - How To Get The Most From Those Older Hot-Water Heating Systems Related Events Coffee with Caleffi and John Siegenthaler: Air Source and Water Source Heat Pump Systems. Mastering Hydronic System Design with John Siegenthaler ICC, PMI Webinar: Changes to the 2015 IPC Free Webinar: Achieving Hydraulic Separation in Hydronic Systems You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.