Submitted By Dan Vastyan The heating system at Sierra Grande K-12 school in Fort Garland, Colo., was struggling. Of the three old, 1.8 million BTU boilers in the mechanical room, one had been down for quite some time. Another caught fire early in the heating season. It was then– when only one unit remained–that school administrators decided it was time ...
Read More »Hydronic
High Altitude Boiler Bliss
By Dan Vastyan Intro Photo: (L-R) Neil Wagner, Nick Valenti, Mike Merryman of McCoy Sales and Ben Dunn. Just about anything that consumes a fuel source – whether that be a human body, an automobile, or a gas range – performs best at sea level. Oxygen levels in the atmosphere decrease exponentially as elevation increases. At 16,000 feet above sea level, ...
Read More »Microbubbles
by George Lanthier* If you are a service manager you may, from time to time, ask yourself if all of the pumps your serviceman are replacing are in fact bad, or not. If you’re a serviceman you may be asking yourself the same question. Many manufacturers wonder the same thing. Could you explain why you changed all of the pumps ...
Read More »Making a Better Circulator
Improving efficiency is not only useful in the field, but in the warehouse as well
Read More »Variable Speed Circulation
John Barba and Bill Riley Explain Some Simple Facts of Life
Read More »Assume Nothing
Going beyond having the right tools, gauges and instruments
Read More »Radiant Opportunities
A Look at Hydronic Heating
Read More »Triple Acting Aquastat
The most elaborate of oil-fired system controllers
Read More »A Little More on pH
Feature Story by George Lanthier A lot of you asked me for more information on pH and how it pertains to heating systems, so here we go. If you look up pH in an encyclopedia you will find that it is ‘a measurement of the acidic level and the base of a solution in regards to the activity of hydrogen ...
Read More »When good goes bad
Feature Story Proper testing of system anti-freeze will help prevent problems down the roadBy George Lanthier In many of my seminars, especially those about hydronics and cold-weather servicing of heating systems, an issue comes up that always surprises me that people don’t know about: how non-toxic or inhibited propylene glycol solutions, or system anti-freeze, can go bad and you may ...
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