Prevent condensate overflow: The whole system has automatic control of liquid level sensor and ultra-high water level alarm protection, which can automatically start or stop the drainage pump according to the water level situation, and fundamentally prevent the overflow of condensate of air conditioner. Intelligent safety protection: Some drain pumps have functions such as overload protection, overflow reminder, and leakage protection, which improves the safety and stability of use. Optimize the effect of air conditioning: The internal unit with drainage pump can freely adjust the hoisting height, which can directly face the air outlet, so that the cold and hot air can be better circulated and the cooling and heating effect of the air conditioner can be improved. Central Air Conditioning Drainage Pump，Compatible For BEAU，PSB-12 Condensate Drainage Ceiling Pipe Machine Ceiling Motor, Weight: 0.110231131 Pounds, Manufacturer: GENTERUN