Hot water recirculation-Domestic water supply

[gajabba]

could anyone explain how to determine the flow rate of the hot water recirculation pump for water heater in domestic water supply?

 

[DScheuf]

Do you know the model of the pump?

 

[Travis_King]

There are several ways to estimate it. The only way to know it is to measure it.

 

[russ_watters]

Are you trying to check on an existing pump or choose a flow rate in order to select a pump?

 

[gajabba]

i want to select the pump (grundfos/Taco)