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Home » Topics » Plumbing & Mechanical Contractor » John Siegenthaler: Hydronics Workshop

John Siegenthaler: Hydronics Workshop
John Siegenthaler: Hydronics Workshop RSS Feed RSS

John Siegenthaler: Tell me more about 'nubbed' foam panels

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
February 26, 2018

Designers need more information on “nubbed” foam insulation panels.


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Siegenthaler: There's no such thing as 'head pressure'

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
January 30, 2018

Anyone who has worked on the technical side of the hydronics industry has used terminology such as: pressure, differential pressure, head and head loss. These terms all have legitimate and specific meanings.


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Back to hydronics basics

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John Siegenthaler, P.E.
December 30, 2017

A knowledge of basic science reveals situations that seem too good to be true.


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Myths and methods for protecting boilers against flue gas condensation.

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 27, 2017

Stay above the dew point.


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You don't pay for COPs

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John Siegenthaler, P.E.
October 24, 2017

It’s energy cost savings that really matter.


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Check valves don't always work as intended

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John Siegenthaler, P.E.
September 25, 2017

What is the purpose of a check valve?


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Practice good sensor-ship

Give your temperature controllers 20/20 vision.
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John Siegenthaler, P.E.
August 29, 2017

Every hydronic system has one or more controllers that measure and respond to temperature.


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Properly sizing and operating circulators

Reducing head loss reduces the kWh of electrical energy required to operate them.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
July 21, 2017

When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters.


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The disproportionate world of hydronics

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John Siegenthaler, P.E.
June 16, 2017

The math associated with some of our assumptions can lead to incorrect conclusions.


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Continuous circulation in floor-heating circuits

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John Siegenthaler, P.E.
May 19, 2017

Keep water moving to prevent frozen pipes and other issues.


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