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an Olsträd Engineering Company

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Combustion 911 Blog

FAQ: Burner Control Units – Flame Signal Strength

Q: I’ve got a PF-19 flame safety system incorporating PFU 760 burner control cards, and I keep faulting-out. It seems to be due to loss of flame signal, but I can visually verify flame. How do I check the flame signal on my PFUs? What could be causing this problem? A: Elster Kromschröder burner controls Read More

How Low is Your Purge Time?

Baron von Olsträd’s Sketchbook #6 The Baron’s latest doodle imagines a dangerous game where irresponsibility is rewarded. For those of you who might not know, “purge time” is a phrase commonly used to refer to the length of time given to changing the atmosphere in a furnace, prior to lighting the burners. This is a Read More

FAQ: ValVario Valves

Q: One of my old VAS valves needs to be replaced. What’s the best way to order a new one? A: The VAS series of solenoid valves is part of the valVario family of products, designed to offer compact, modular solutions for industrial gas piping. If you are experiencing a failure with a VAS valve, Read More

FAQ: Ignition Electrodes for Pilot and Industrial Burners

Q: I need some new spark ignitors for my burners. Is that something that I can buy from Combustion 911? A: Combustion 911 carries stock of the components required to create ignition electrodes (also called “spark ignitors”) and ionization electrodes (also called “sense electrodes” or “flame-rods”) for a wide range of Elster Kromschröder pilot and Read More

FAQ: Electrode Adapters and Interference Suppression for Pilot and Industrial Burners

Q: I need to replace a few of the connectors that allow the ignition cable to interface with the spark plugs. Can you explain the differences between the various types you carry? Specifically, when should you use “interference suppressed” models? A: The electrode connectors you’re referring to are also typically called “electrode adapters,” “spark plug Read More

FAQ: Slow Opening (Dampened) Solenoid Valves

Q: What are the advantages to using a slow opening valve? I notice that it is an option for the VAS solenoid valves for gas. Are slow opening valves used for air, also? A: Slow opening solenoid valves (or “dampened” solenoid valves) are available for both gas and air control. VAS solenoid valves are manufactured Read More

FAQ: Elster Kromschröder Product Labels and Type Codes

Q: I have several Elster Kromschröder products in my facility, and it is extremely difficult for me to try to order spares from Combustion 911, because every time I call, the reps ask me for more information. I’ve been asked for photographs of the product labels, but I don’t have any idea what the strings Read More

Futility

Baron von Olsträd’s Sketchbook #5 The Baron’s new comic illustrates the flaws of doing the same thing over and over again, and expecting different results. In one example, the only impacts to this behavior are frustration and a lingering thirst. In the other example, frustration certainly plays a part, though the additional consequences can be Read More

O2 Analyzer Released by Combustion 911

Combustion 911 is proud to announce the release of the FLO2 Flue O2 Analyzer, a hand-held, low-cost oxygen analyzer with a fast response time (TRise 90 < 10 seconds) and high accuracy. If you’re looking for a cost-effective way to measure and test the oxygen levels in your burner, the FLO2 O2 analyzer is the Read More

Commissioning Shouldn’t Take a Lifetime

Baron von Olsträd’s Sketchbook #4 We decided to post the new Baron von Olsträd comic a little early, due to the spooky nature of the the subject matter. Most folks who’ve been through furnace commissioning, either on a new installation or on a rebuild, have heard the horror stories. Some folks have lived them. Today’s Read More

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