What is a hot surface igniter?

A hot surface igniter, also known as a glow plug, is a device used in a gas heat operation. Depending on the type of unit you are using, they can be run on different voltages.Click to see full answer. People also ask, what is hot surface ignitor?The Hot Surface Ignition system includes a combination gas…

A hot surface igniter, also known as a glow plug, is a device used in a gas heat operation. Depending on the type of unit you are using, they can be run on different voltages.Click to see full answer. People also ask, what is hot surface ignitor?The Hot Surface Ignition system includes a combination gas valve, a Hot Surface Igniter, and control module. The heat produced by the igniter lights the main gas flow through the burner. Hot Surface Ignition makes use of a silicon carbide igniter that is heated to a red-hot condition.Similarly, how do I know if my hot surface ignitor is bad? Set the multimeter so it can properly measure a resistance of 10 to 200 ohms. Disconnect the hot surface ignitor from the control board and measure the resistance. A good hot surface ignitor will have a resistance of 40 to 90 ohms. Greater than 90 ohms indicates a failing or failed hot surface ignitor. Also to know, what is a hot surface igniter made of? The hot surface igniter is usually made from a material like silicon carbide or nitride and as electricity passes through the igniter, it will glow red hot.How hot does a hot surface ignitor get? Hot Surface Igniters are Resistance Heaters A 120-volt HSI will glow at around 2500 degrees Fahrenheit. Most gas fuels will ignite around 1100 degrees, so 2500 degrees is a little excessive. A 240-volt igniter burns even hotter.

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