We’re celebrating John Siegenthaler’s 25th anniversary as a Plumbing & Mechanical columnist. Siggy, a well-respected hydronics expert, is a consulting engineer and principal of Appropriate Designs in Holland Patent, New York. His Hydronics Workshop column is the most-read column on www.pmmag.com. This eBook features Siggy’s most-read content from both Plumbing & Mechanical and PM Engineer, covering topics ranging from piping to thermal storage tanks to the dos and don’ts of hydronic system design.

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