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The Glitch and The Fix

Floor Heating Dilemma

Using a gas-fired cast-iron boiler to supply zoned radiant floor heating.

by John Siegenthaler, P.E. | January 11, 2010 | Comments (8)

Primary Or Secondary?

A designer needs to connect an indirect water heater to a multiple-boiler system.

by John Siegenthaler, P.E. | November 20, 2009 | Comments (0)

Flooring Follies

The owner loves the idea of warm floors, but also wants nail-down hardwood flooring.

by John Siegenthaler, P.E. | October 16, 2009 | Comments (1)

Over-Looped

Circulators are experiencing overheating issues. There’s also heat getting into zones when that heat is not needed.

by John Siegenthaler, P.E. | September 20, 2009 | Comments (4)

One After The Other

In some systems, outdoor reset control can vary the supply water temperature from a relatively high design temperature down to just above room temperature.

by John Siegenthaler, P.E. | July 21, 2009 | Comments (0)

Overly Separated

Eager to keep up with new technology, an installer decides to install a hydraulic separator between a boiler and distribution system.

by John Siegenthaler, P.E. | June 19, 2009 | Comments (0)

Peculiar Piping

To say this system is a piping aberration is going easy on it.

by John Siegenthaler, P.E. | May 20, 2009 | Comments (2)

More Complicated Than Necessary

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

by John Siegenthaler, P.E. | April 15, 2009 | Comments (0)

Been There, Done That

When floor heating and domestic water heating occurred at the same time, I discovered there was no flow through the heat exchanger in the indirect tank.

by John Siegenthaler, P.E. | March 15, 2009 | Comments (0)

Adjusting A Multiple-Boiler System

The cardinal rule of multiple boiler systems is to only provide flow through a boiler that’s operating.

by John Siegenthaler, P.E. | February 18, 2009 | Comments (0)

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