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Home » hydronics

Articles Tagged with ''hydronics''

You don't pay for COPs

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 24, 2017

It’s energy cost savings that really matter.


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The Glitch: Can you identify, describe, and propose a fix for several problems that are likely to develop with this system

Level-headed

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 24, 2017

An unpressurized outdoor wood-fired heater is installed to supply heat to fin-tube baseboard install in a two-story home.


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John Siegenthaler: Renewable Heating Design

Flow rate, heat output and Delta-T

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

Some things don’t vary proportionally.


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Figure 1. The Glitch. Do you see any other details that should be changed

Details Matter

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 11, 2017

Assuming that the aquastat is operating correctly, and that essential details are all present and correctly installed, why is the system behaving this way?


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Figure 1. The Glitch. Do you see any other details that should be changed

Details Matter

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 11, 2017

Assuming that the aquastat is operating correctly, and that essential details are all present and correctly installed, why is the system behaving this way?


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Practice good sensor-ship

Give your temperature controllers 20/20 vision.
John Siegenthaler 200x200 author headshot on a white background.
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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Don't let ego win out over proper engineering

Don’t let ego win out over proper engineering.
Dan Holohan
August 29, 2017

“How could this happen?” That’s what they asked.


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Bonomi 630 (Carbon) and 730 (Stainless) Series ball valves

Bonomi 630 (Carbon) and 730 (Stainless) Series ball valves

August 17, 2017

They are also available in socket weld and butt weld.


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Caleffi 520 Series TANKMIXER quick-connect kit

Caleffi 520 Series TANKMIXER quick-connect kit

August 17, 2017

Caleffi’s 520 Series TANKMIXER quick-connect kit is a mixing valve solution to maximize capacity of modern, high-efficiency water heaters.


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The power of a story

Dan Holohan
July 21, 2017

It’s important to know your audience.


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