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Articles by John Siegenthaler, P.E.

Holes In The Fence<br>John Siegenthaler

October 31, 2000
Paying attention to situations that can lead to undesirable gravity flow makes good design sense and negates potential callbacks.
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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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BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.


Plumbing and Mechanical

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2014 March

In the March issue of Plumbing & Mechanical, read about the 'living in place' movement and learn how to make your space stylish and comfortable. PM catches up with MCAA president Chuck Fell and spoke with him about his goals for the year. Also in this issue, see the top products of 2013, see who is the March Truck of the Month, and read the latest Tool Tips.
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