... 2..quick respond,high accuracy 3.custom made available KAFS Air Flow SwitchMost hot sale products in our company,because of the ... and stability! ApplicationControl and monitor liquid flow of boilers, pumps, etc., of heating, cooling, and air conditioning equipment.FeaturesRenovated SPDT micro switch ... PC coverProtection IP65Color WhiteWeight 0.7KgMore... German standard Paddle type air Flow Switch