In a boiler system, what is the function of the low limit control?

The function of the low limit control in a boiler system is primarily to maintain a minimum temperature within the system, especially when it comes to providing domestic hot water. This component ensures that the water temperature does not drop below a preset level, which is crucial for maintaining comfort and ensuring that the water is available at the desired temperature for household use.

By keeping the water heated beyond a certain threshold, the low limit control helps to ensure that hot water is readily available whenever needed, preventing any potential issues associated with water being too cold, such as increased demand on the heating system or delays in hot water availability. It's especially important in systems where consistent hot water supply is essential for household appliances and personal use.

While options involving overpressure prevention and energy consumption are important aspects of boiler operation, they don't specifically relate to the functionality of the low limit control, which is focused on temperature maintenance.