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Testing a Furnace’s Hot Surface Ignitor

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Every year, a large percentage of furnaces break due to simple things. Several components in the furnace are prone to failure, one of which is the hot surface ignitor (HSI). This blog aims for technicians and HVAC professionals to learn how to diagnose and test a gas furnace’s hot surface ignitor. Testing and diagnosing this critical part can save your clients time and money, help reduce your callbacks and liability, and help increase your revenue through proactive measures.

Matt Akins
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Posted In: Aside, Residential, Technical Tips

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