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When Troubleshooting a Residential Heating System, the Technician Reads 24

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When troubleshooting a residential heating system, the technician reads 24 volts across R and W on the furnace low-voltage terminal strip with the thermostat set to call for heating. What would be the most likely problem?


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A characteristic of an individual that can include male, female, or a range of identities beyond binary definitions, often based on social or personal identification rather than biological attributes.

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The rate at which a car travels, usually measured in miles per hour (mph) or kilometers per hour (km/h).

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