Gas Heat ESCO Practice Exam 2024 - Free Gas Heat ESCO Practice Questions and Study Guide.

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A furnace with a hot surface igniter will not light. Before changing the igniter the technician should:

check for gas leaks.

Before changing the igniter when a furnace with a hot surface igniter will not light, the technician should first check for gas leaks. This is crucial for safety reasons as a gas leak can be a serious hazard. Ensuring there are no gas leaks should always be the first step before performing any further troubleshooting or repairs on a gas furnace. Checking thermostat settings, voltage to the igniter, and cleaning the burner assembly are all important steps in the troubleshooting process but ensuring there are no gas leaks takes precedence for safety concerns.

check thermostat settings.

check voltage to igniter

clean the burner assembly.

Next

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