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View Full Version : How to pick right size taco pump



JOE1934
06-07-2007, 04:33 AM
I'm going to have 3 separate pumps for 3 zones,BB hot water,gas. Do you establish a flow rate for each zone (f=Q/500 X 20) (http://www.taco-hvac.com/uploads/FileLibrary/SelectingCirculators.pdf). The f that you get,you are suppose to go to the chart and tells you the size of pipe. Is this pipe size the size that is suppose to go into the pump and or the pipe going out of the pump.

Bob NH
06-07-2007, 05:38 AM
I'm going to have 3 separate pumps for 3 zones,BB hot water,gas. Do you establish a flow rate for each zone (f=Q/500 X 20) (http://www.taco-hvac.com/uploads/FileLibrary/SelectingCirculators.pdf). The f that you get,you are suppose to go to the chart and tells you the size of pipe. Is this pipe size the size that is suppose to go into the pump and or the pipe going out of the pump.

It is the size of the pipe/tubing in the circuit. In most cases the pump will be the same size but could be larger.