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Home » Topics » Radiant & Hydronics Columns

Radiant & Hydronics Columns
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The finer points of applying a 2-pipe buffer tank

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
April 28, 2017

There are advantages to using this piping configuration in hydronic systems.


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A poster promotes Grundfos’ installers competition

ISH 2017 Blog – Day 3

Bob Miodonski
March 31, 2017

Plumbing-and-heating trades stand out at ISH 2017.


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How to properly size finned-tube baseboard heat emitters

Have a look at the rating tables for most finned-tube baseboard sold in North America and chances are you’ll see a footnote.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
March 29, 2017

Have a look at the rating tables for most finned-tube baseboard sold in North America and chances are you’ll see a footnote under the table that reads something like this: “Ratings are based on active fin length and include 15% heating effect factor.”


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1904 World's Fair kick-starts radiant movement

American Radiator’s ‘Ideal American Exhibit’ kick-starts radiant movement.
Dan Holohan
March 28, 2017

The song “Meet me in St. Louis, Louis” arrived in 1904, the same year that the World’s Fair opened in that city.


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Aquatherm China's George Teng

ISH 2017 Blog – Day 2

Bob Miodonski
March 20, 2017

Plumbing, piping and heating brands known in U.S. make splash at ISH.


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Thomas Bauer of Bosch Thermotechnology

ISH 2017 Blog – Day 1

Bob Miodonski
March 16, 2017

Bosch sees digitalization trend in heating systems


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Examining the effects of flow reversal in circulators

Unique design concepts sometimes require components to operate in non-standard conditions.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
February 17, 2017

There are hydronic design concepts in which flow must pass backward through a non-operating circulator, perhaps thousands of times over the life of the system.


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The rebirth of an American boiler

Dan Holohan
February 8, 2017

Relics of years gone by find a new purpose.


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How to maintain low-water cutoffs

The subsequent text showed a picture of a low water cutoff disassembled and filled with mud and rust.
Ray Wohlfarth
January 25, 2017

Routine maintenance helps ensure optimal boiler performance and safety.


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When is flow reversal practical?

Increasing heat output.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
January 18, 2017

Flow reversal is possible in a P/S system, but is it practical?


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