The interval for testing water storage tank level indicators is?

The interval for testing water storage tank level indicators is once a year. This frequency is established to ensure that the level indicators function correctly and provide accurate readings of the water levels. Regular testing helps identify any malfunctions or wear that could impede the functionality of the indicators, which is crucial for maintaining safety and operational efficiency in sprinkler systems. Annual testing allows for timely maintenance and repairs, ensuring compliance with safety standards and preventing potential water supply issues that could arise from faulty indicators. Regular checks contribute to the overall reliability of the sprinkler system.