HVAC

The Magic Valve

Feature Story The electric solenoid valve can be used to correct deficiencies in the combustion processby George Lanthier There are two critical areas for any airplane pilot in flying from one point to the next ‘ the takeoff and the landing. Most accidents still occur during these two procedures. Put another way, this is like the startup and shutdown of ...

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Draft Inducers and Controls

Feature Story by George Lanthier Figure 1 I’d like to preview something new with you and talk about one of my favorite subjects again ‘ draft. When I first started writing for magazines about 20 years ago, my first editor joked to me to, ‘pick something easy to start off with, like draft.” That was one of the greatest understatments ...

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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 ...

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Really basic electricity

Feature Story Understanding the most complex circuits is really just a case of knowing the simplest By George Lanthier If there’s one thing most people agree on in this business, it’s that electricity and controls are one of the most troublesome areas for them. Then, they target low voltage and zone valves as the biggest problem. It’s so bad with ...

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