Articles by John Siegenthaler, P.E.

Primary Proportions (John Siegenthaler)

September 29, 2000
A few design questions shouldn't keep you from the benefits of primary/secondary piping.
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Good Intentions (John Siegenthaler)

August 25, 2000
A little extra attention to details can mean a world of difference.
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Tubing By The Mile

August 24, 2000
What's an ideal way to heat a 300-ft. by 500-ft. slab-on-grade industrial building with 20- to 30-ft. high ceilings, and a design load of 3 million Btu/hr.?
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Throttled Into Submission

July 31, 2000
Underreving injection pumps needlessly waste control accuracy, warns John Siegenthaler.
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Managing Your Mass

July 17, 2000
Exercising the thermal mass of a boiler will improve system performance, says John Siegenthaler in his Hydronics Workshop.
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Choosing Your Priorities

June 23, 2000
Load diversity allows a heat source to be reduced with respect to peak load.
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Two For The Price Of One

June 23, 2000
Some hydronic systems use a separate reset-controlled mixing device for each water temperature required. It works, but it's not always necessary.
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The Youker System

June 23, 2000
You should consider the Youker system as part of your radiant floor offering.
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John Siegenthaler's Radiant Forum

June 19, 2000
Answers to the questions you've been asking: PM's popular columnist John Siegenthaler gets numerous inquiries from readers seeking his help with thorny problems in the field of radiant heat.
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Manipulating The Media

June 19, 2000
Have you ever thought of hydronics as a multimedia technology?
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Multimedia

Videos

Image Galleries

DEWALT media event at Stanley Black and Decker University

The DEWALT media event was hosted at the Stanley Black and Decker University in Towson, Md.
Photos by Mike Miagza

3/13/13 2:00 pm EST

Prepared to Navigate the New Lead-Free Laws?

AVAILABLE ON DEMAND Sail through lead-free law compliance. When piping a potable water system, the bronze valves you’re using have an expiration date –January 4, 2014. Find out what US Senate Bill S.3874 is about, how it compares to previous standards, and most importantly — how it will affect you.

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Valve Handbook

Revised to include details on the latest technologies, Valve Handbook, Third Edition, discusses design, performance, selection, operation, and application. This updated resource features a new chapter on the green technology currently employed by the valve industry, as well as an overview of the major environmental global standards that process plants are expected to meet.

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