The F61 liquid flow switches can be used in liquid lines carrying water, sea water, swimming pool water, ethylene glycol or other liquids not harmful to the specified materials.
The F62 airflow switch detects air flow or the absence of air flow by responding only to the velocity of air movement within a duct.
The F63 Liquid Level Switch is designed to mantain a liquid level in indoor or outdoor closed tanks holding water, Chlorinated water, Ethylene Glycol or other non-corrosive liquids.