Articles by Ray Wohlfarth

Boilers Outside The Box

O&M and upgrade tactics can make a real difference for those who decide to focus on improvements short of purchasing a new unit.
By Ray Wohlfarth
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When I was young, I used to love watching magicians and was amazed how they would pull something out of what appeared to be an empty hat.
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Connecting New Boilers To Old Pipes

Combustion air, ventilation, piping, expansion tanks … with these and other factors affecting performance and safety, the boiler swap is not exactly a plug-and-play situation.
By Ray Wohlfarth
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Designing a commercial boiler replacement where you were not the original designer or installer might have some hidden dangers that could haunt you for years.
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Are There Hidden Problems In Your Hydronic Boiler Project?

Putting a new boiler in is a lot more complicated than just putting a new boiler in. You’re often taking ownership for any problem, real or potential, anywhere in the hydronics system.
By Ray Wohlfarth
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Designing a commercial boiler replacement where you were not the original designer or installer might have some hidden dangers that could haunt you for years.
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9/25/14 2:00 pm EDT

Test Anxiety? Learn How and When to Test Your Standby Generator

This webinar will discuss generator reliability, testing, and troubleshooting from a practical perspective and make recommendations for a comprehensive inspection and testing program.

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2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

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