Scully VS-521 Vent Alarm Signal 2" X 1-1/4" 00215

The Scully VS-521 Vent Alarm Signal 2" X 1-1/4" is a reliable tank vent alarm used to notify the operator in case of fuel or liquid delivery in HVAC and fuel storage systems. It gives out an audible whistle when air is displaced by incoming liquid, alerting users when the tank is full so as not to overflow. The one commonly used in conjunction with oil storage tanks in HVAC heating systems ensures safe, quick fuel delivery and prevention of spills and damage. The long-lasting performance is provided by the long-lasting construction, and also system safety and compliance, due to easy installation. Advantages are enhanced filling accuracy, preservation of the environment, and its vitality in ensuring HVAC fuel storage integrity.