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Combustion 911 Blog

Don’t Choke Your Furnace

Industrial furnaces require periodic maintenance to ensure efficiency and continued operation. Much of this maintenance can be performed by properly trained plant technicians, rather than relying on outside support. Depending on size and design, your furnace probably has two main input lines: one for natural gas (or some other combustible gas), and one for air. Read More

How Low is Your Purge Time?

The purge sequence is essential to the safety of personnel and the continued integrity of equipment. Purging the furnace of combustible gases from the furnace atmosphere considerably reduces the risk of an “event.” Safety should always come first, but it’s not uncommon to find purge timers in old panels with the dial pegged at zero. Read More

If At First You Don’t Succeed…

…try it maybe a couple more times and then reassess the situation. If a burner goes out, you hit the reset button. Sometimes, the burner lights and everything is fine. Other times, the burner stays cold, because there’s an issue that requires attention. Trying the reset button a couple of times makes sense! Pressing it Read More

Commissioning Shouldn’t Take a (Literal) Lifetime

In the past, everything took forever. Lifespans were shorter, the world was larger, and mysteries were everywhere. We’ve progressed to the point where we can hardly stand to wait for anything, and yet, one still hears stories of excruciatingly lengthy furnace commissioning. The progression from construction to useful production on your new industrial furnace should Read More

The Proper Way to Light a Burner

Something we share in common with most other animals in nature is a drive for individual survival and the survival of the species. If your environment happens to include industrial furnaces and/or ovens, employing the proper way to light a burner is key to the safety of yourself and those around you. Our ability to Read More

2023 C911-P Ad Retrospective

If you’re following us on social media, you might have noticed a monthly image featuring Baron von Olsträd and our C911-P pressure switches. What’s up with that? In the fall of 2022, we won FM Approval for C911-P, and this meant we could start selling them for use in NFPA86 compliant combustion systems. It was Read More

The Mysterious Art of Burner Tuning

Burners should be tuned on a regular basis to capture peak performance and efficiency. Referencing the manufacturer’s literature and keeping a log of past settings makes tuning the modern burner a straightforward and scientific task. Once you know how to tune burners, watching the uninitiated try their hand at it can be amusing at best, Read More

FAQ: Pressure Switches

Pressure switches are part of the safety chain, and vital to the safe operation of a combustion system. They are used to verify gas and air pressure, and they can be used to determine whether the gas valves are leaking. How does a pressure switch work? Pressure switches are simple devices that use a spring Read More

Heat Rises?

There’s a common misconception that heat rises. It does not. Heat radiates equally in all directions. The misunderstanding comes from the true and observable statement that, relative to cooler air, hot air rises. That’s why hot air balloons work, also why many politicians have excellent posture. For commercial and industrial heating, knowing that heat and Read More

Employee Spotlight: Abby Karnes

Abby Karnes began her Olsträd journey as an automation intern, and has since become an indispensable full-time Mechatronics Engineer. Her career journey has been rooted in learning, discovery, and a constant commitment to problem solving. From Intern to Full-Time Abby’s passion for STEM subjects started early. “Growing up, I loved doing science projects and playing Read More


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