Red Seal Plumbing Practice Exam

What is the problem with a thermostat if the heating system cycles too often?

1. The thermostat is too close to the furnace

2. The thermostat is low on battery

3. The thermostat is exposed to direct sunlight or a heat source

4. The thermostat is not level

The correct answer is: The thermostat is exposed to direct sunlight or a heat source

If the heating system cycles too often, it means that it is turning on and off frequently and not able to maintain a steady temperature in the room. This issue suggests that the thermostat is picking up on temperature fluctuations and turning the system on or off unnecessarily. Option A suggests that the thermostat is too close to the furnace, which would not necessarily cause the heating system to cycle too often. Option B suggests that the thermostat may have low battery, but this would not directly impact how frequently the system cycles. Option D suggests that the thermostat is not level, which could cause temperature readings to be inaccurate, but would not necessarily cause the heating system to cycle too often. Therefore, option C is the most likely problem as the thermostat may be picking up on the direct sunlight or heat source and turning the system on or off unnecessarily.