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Home » Topics » Radiant & Hydronics » The Glitch & The Fix

The Glitch & The Fix
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Hydronics Editor John Siegenthaler, P.E. challenges heating professionals to design radiant and hydronics systems for an efficiency-minded world.

ARTICLES

Combining geothermal heat pumps and radiant

The Glitch & The Fix: Combining geothermal heat pumps and radiant

April 27, 2022
One Comment
G&F-march-2022-fig-1

The Glitch + The Fix: Primary reduction

March 30, 2022
No Comments

A heating pro is asked to retrofit a pellet-fired boiler to an existing distribution system consisting of older cast iron radiators, iron piping and an oil-fired boiler.


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G&F February 2022 - Glitch

The Glitch + The Fix: Fingers crossed

February 23, 2022
No Comments

An installer is asked to add a monobloc-style air-to-water heat pump to an existing hydronic system that is supplied by a mod/con boiler.


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G&F-Fig1-Jan2022

The Glitch + The Fix: One shot after another

January 25, 2022
One Comment

A technician encounters a system installed in the 1980s when radiant floor heating was relatively new in North America.


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Glitch-Fix Seemingly simple

The Glitch & The Fix: Seemingly simple

December 22, 2021
No Comments

A homeowner hires a heating contractor to upgrade his propane-fired cast-iron boiler to a mod/con boiler. The cast-iron boiler is only 15 years old and in good shape. 


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The Glitch + The Fix: Simpler and better

The Glitch + The Fix: Simpler and better

November 29, 2021
2 Comments

A multiple boiler system using sectional cast-iron boilers has been configured to supply two loads as shown below. A “crossover pipe” is installed in case the flow rate in the primary circuit is different from the flow through the boilers. There are several piping errors in this proposed design. Can you spot at least five of them?


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The Glitch: Secondary Issues

The Glitch & The Fix: Secondary issues

October 26, 2021
3 Comments

Sometimes multiple mistakes show up in small portions of hydronic systems.


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G&F-sept-2021-figure-1.jpg

The Glitch & The Fix: Intentions versus results

September 27, 2021
One Comment

An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.


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The Glitch - April

The Glitch & The Fix: Mixed results

April 22, 2021
No Comments

An installer is asked to connect a single speed geothermal water-to-water heat pump to a highly-zoned low temperature hydronic distribution system.


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The Glitch

The Glitch & The Fix: Heat, heat everywhere

February 19, 2021
No Comments

Figure 1 shows the piping layout for an actual installation. It uses two boilers, fired in stages, to supply three areas of a building. 


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More Articles Tagged with 'The Glitch & The Fix'

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