Difference between primary hot water pump and two hot water pump
A hot water pump is a water pump circulating between the boiler and the heat exchanger, and the two hot water pump is a circulating water pump between the heat exchanger and the user. That is, there is no relationship between a water pump and heating users.
A hot water pump is a water pump circulating between the boiler and the heat exchanger, and the two hot water pump is a circulating water pump between the heat exchanger and the user. That is, there is no relationship between a water pump and heating users.
Primary pump variable flow VPF (variable primary)Flow) system is the new layout of central air-conditioning system, compared with the one or two pump system has more advantages in initial investment and operation cost. At present, some with a pump with variable flow system engineering in the operation of many problems,
