Florida Home Inspector Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

The typical temperature range at which a fan/limit switch will activate the blower is

100° to 120° F

130° to 150° F

The correct answer is based on the operational design of fan/limit switches used in heating systems. Typically, fan/limit switches are calibrated to activate the blower at temperatures between 130°F to 150°F. This range ensures that the blower activates before the heat reaches levels that could potentially cause damage to the system or create a safety hazard.

When the temperature of the air in the heating system rises to this range, the fan/limit switch triggers the blower to circulate air throughout the home, preventing overheating and maintaining a comfortable environment.

Understanding this temperature range is crucial for ensuring effective operation of heating systems and enhancing energy efficiency while also safeguarding the equipment. The other ranges provided fall outside of the typical activation points for these switches, indicating they would not serve the purpose intended, which is to balance heating and safety effectively.

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160° to 180° F

190° to 210° F

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