The amount of heat exchangers which can be fit in the tank mainly depends on the size of the NP tank and its increasing with the diameter of the tank. Before you buy the heat exchanger please check two parameters:
- The height of the NP tank – heat exchangers can’t be higher that tank
- Maximum amount of HX which can be fit in the tank
All the information which you need are located in the table for every tank or in datasheet (LINK).