Air conditioning pump: specially designed for air conditioning water circulation and refrigerant circulation systems Air-conditioning water pump: adopts optimized hydraulic model, smooth flow path, stable pressure and flow output Air conditioning vacuum pump:the impeller undergoes dynamic balancing and calibration, resulting in smoother operation at high speeds HVAC pump: compact structure, small footprint, compatible for a variety of scenarios Central air conditioning water pump: improve comfort, make the temperature more uniform, and feel more comfortable, Manufacturer: jinghongc