... Air Flow Switch ApplicationControl and monitor liquid flow of boilers, pumps, etc., of heating, cooling, and air conditioning equipment. ... ensures the reliable switch functionStainless steel paddleCut-in and cut-outBrass levelIP65 housingSpecificationType of operation On/Off, single-stage, micro ... fire retardantor PC coverProtection IP65Color WhiteWeight 0.7KgMore... Paddle type air proof Switch