How frequently must low water temperature alarms be tested for water storage tanks?

Low water temperature alarms in water storage tanks are essential for ensuring that water does not drop below a certain temperature, which can lead to issues such as freezing conditions that can damage the system or create unsafe water conditions. Testing these alarms on a monthly basis is a standard practice that helps to maintain system integrity and readiness.

Monthly testing allows for regular verification of the alarm's functionality, ensuring that any potential failures can be addressed promptly before they lead to critical issues. This frequency strikes a balance between ensuring operational reliability and managing resources effectively, as more frequent testing might not yield significant additional benefits.

Seasonal or less frequent testing, such as quarterly or yearly, could lead to gaps in monitoring, potentially allowing temperatures to drop without detection, which could result in system problems. Thus, the requirement for monthly testing is designed to uphold safety standards and prevent complications arising from inadequate temperature monitoring.